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AQI Observations

@aqiobs.bsky.social

This profile is an automated monitor of Air Quality Index Observations ( #AQIObs ). NOT affiliated with any official or federal organizations. Powered by #Python, #DuckDB, and the BlueSky API. #AQI #dataBS #OpenData #DataViz #PyData #EarthObservation

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Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-02-20 14:00 - there is a peak AQI value of 438 in the Maroon (Hazardous) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-02-20 14:00 - there is a peak AQI value of 438 in the Maroon (Hazardous) zone.

The Air Quality Index (AQI) at the Lima site in OH, United States is 438 [Hazardous] as of Feb 20, 2026 @ 2PM Local Time. This is the highest AQI observation in 3 years. #AQIObs

20.02.2026 21:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-20 12:00 - there is a peak AQI value of 155 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-20 12:00 - there is a peak AQI value of 155 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Ft. Collins - CSU Facilities site in CO, United States is 155 [Unhealthy] as of Feb 20, 2026 @ 12PM Local Time. This is the highest AQI observation in 30 days. #AQIObs

20.02.2026 21:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 07:00 - there is a peak AQI value of 114 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 07:00 - there is a peak AQI value of 114 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Eagle Pass C319 site in TX, United States is 114 [Unhealthy for Sensitive Groups] as of Feb 20, 2026 @ 7AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

20.02.2026 15:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-20 04:00 - there is a peak AQI value of 166 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-20 04:00 - there is a peak AQI value of 166 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Eastside Pump St site in OH, United States is 166 [Unhealthy] as of Feb 20, 2026 @ 4AM Local Time. This is the highest AQI observation in 1 year. #AQIObs

20.02.2026 11:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 03:00 - there is a peak AQI value of 107 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 03:00 - there is a peak AQI value of 107 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Eagle Pass C319 site in TX, United States is 107 [Unhealthy for Sensitive Groups] as of Feb 20, 2026 @ 3AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

20.02.2026 11:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-20 01:00 - there is a peak AQI value of 167 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-20 01:00 - there is a peak AQI value of 167 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Golden Helipad site in Canada is 167 [Unhealthy] as of Feb 20, 2026 @ 1AM Local Time. This is the highest AQI observation in 1 year. #AQIObs

20.02.2026 10:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 02:00 - there is a peak AQI value of 104 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 02:00 - there is a peak AQI value of 104 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Eagle Pass C319 site in TX, United States is 104 [Unhealthy for Sensitive Groups] as of Feb 20, 2026 @ 2AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

20.02.2026 10:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 01:00 - there is a peak AQI value of 99 in the Yellow (Moderate) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-20 01:00 - there is a peak AQI value of 99 in the Yellow (Moderate) zone.

The Air Quality Index (AQI) at the Eagle Pass C319 site in TX, United States is 99 [Moderate] as of Feb 20, 2026 @ 1AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

20.02.2026 09:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 20:00 - there is a peak AQI value of 98 in the Yellow (Moderate) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 20:00 - there is a peak AQI value of 98 in the Yellow (Moderate) zone.

The Air Quality Index (AQI) at the Shreveport Airport site in LA, United States is 98 [Moderate] as of Feb 19, 2026 @ 8PM Local Time. This is the highest AQI observation in 90 days. #AQIObs

20.02.2026 04:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 19:00 - there is a peak AQI value of 96 in the Yellow (Moderate) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 19:00 - there is a peak AQI value of 96 in the Yellow (Moderate) zone.

The Air Quality Index (AQI) at the Shreveport Airport site in LA, United States is 96 [Moderate] as of Feb 19, 2026 @ 7PM Local Time. This is the highest AQI observation in 90 days. #AQIObs

20.02.2026 03:48 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 19:00 - there is a peak AQI value of 105 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 19:00 - there is a peak AQI value of 105 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Corpus Christi Dona Park C635 site in TX, United States is 105 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 7PM Local Time. This is the highest AQI observation in 30 days. #AQIObs

20.02.2026 03:48 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-02-19 20:00 - there is a peak AQI value of 170 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 3 years. At the end of the graph on 2026-02-19 20:00 - there is a peak AQI value of 170 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Rome site in GA, United States is 170 [Unhealthy] as of Feb 19, 2026 @ 8PM Local Time. This is the highest AQI observation in 3 years. #AQIObs

20.02.2026 03:48 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 15:00 - there is a peak AQI value of 154 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 15:00 - there is a peak AQI value of 154 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Brownsville East 6th St C1098 site in TX, United States is 154 [Unhealthy] as of Feb 19, 2026 @ 3PM Local Time. This is the highest AQI observation in 30 days. #AQIObs

19.02.2026 23:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 14:00 - there is a peak AQI value of 166 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 14:00 - there is a peak AQI value of 166 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Isla Blanca C323/C667 site in TX, United States is 166 [Unhealthy] as of Feb 19, 2026 @ 2PM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 22:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 14:00 - there is a peak AQI value of 151 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 14:00 - there is a peak AQI value of 151 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Brownsville East 6th St C1098 site in TX, United States is 151 [Unhealthy] as of Feb 19, 2026 @ 2PM Local Time. This is the highest AQI observation in 30 days. #AQIObs

19.02.2026 22:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 13:00 - there is a peak AQI value of 162 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 13:00 - there is a peak AQI value of 162 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Isla Blanca C323/C667 site in TX, United States is 162 [Unhealthy] as of Feb 19, 2026 @ 1PM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 21:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 12:00 - there is a peak AQI value of 133 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 12:00 - there is a peak AQI value of 133 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Von Ormy Highway 16 site in TX, United States is 133 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 12PM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 20:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 60 days. At the end of the graph on 2026-02-19 12:00 - there is a peak AQI value of 155 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 60 days. At the end of the graph on 2026-02-19 12:00 - there is a peak AQI value of 155 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Isla Blanca C323/C667 site in TX, United States is 155 [Unhealthy] as of Feb 19, 2026 @ 12PM Local Time. This is the highest AQI observation in 60 days. #AQIObs

19.02.2026 20:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-19 12:00 - there is a peak AQI value of 159 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-19 12:00 - there is a peak AQI value of 159 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Laredo C313 site in TX, United States is 159 [Unhealthy] as of Feb 19, 2026 @ 12PM Local Time. This is the highest AQI observation in 1 year. #AQIObs

19.02.2026 20:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 11:00 - there is a peak AQI value of 148 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 11:00 - there is a peak AQI value of 148 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Calaveras Lake C59 site in TX, United States is 148 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 11AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 19:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 110 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 110 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Bryan Finfeather Road site in TX, United States is 110 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 10AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 18:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 137 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 137 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the San Antonio Northwest C23 site in TX, United States is 137 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 10AM Local Time. This is the highest AQI observation in 30 days. #AQIObs

19.02.2026 18:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 156 in the Red (Unhealthy) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 156 in the Red (Unhealthy) zone.

The Air Quality Index (AQI) at the Laredo C313 site in TX, United States is 156 [Unhealthy] as of Feb 19, 2026 @ 10AM Local Time. This is the highest AQI observation in 1 year. #AQIObs

19.02.2026 18:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 140 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 10:00 - there is a peak AQI value of 140 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Calaveras Lake C59 site in TX, United States is 140 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 10AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 18:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 30 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the San Antonio Northwest C23 site in TX, United States is 136 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 9AM Local Time. This is the highest AQI observation in 30 days. #AQIObs

19.02.2026 17:48 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 103 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 103 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Bryan Finfeather Road site in TX, United States is 103 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 9AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 17:48 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 130 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 130 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Von Ormy Highway 16 site in TX, United States is 130 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 9AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 17:48 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 125 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 125 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Lockhart C1604 site in TX, United States is 125 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 9AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 17:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 139 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 139 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the Calaveras Lake C59 site in TX, United States is 139 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 9AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 17:47 — 👍 0    🔁 0    💬 0    📌 0
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 118 in the Orange (Unhealthy for Sensitive Groups) zone.

Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2026-02-19 09:00 - there is a peak AQI value of 118 in the Orange (Unhealthy for Sensitive Groups) zone.

The Air Quality Index (AQI) at the CAPCOG TAYLOR MURPHY PARK C1629 site in TX, United States is 118 [Unhealthy for Sensitive Groups] as of Feb 19, 2026 @ 9AM Local Time. This is the highest AQI observation in 90 days. #AQIObs

19.02.2026 17:47 — 👍 0    🔁 0    💬 0    📌 0

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