AQI Observations
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aqiobs.bsky.social
AQI Observations
@aqiobs.bsky.social
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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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aqiobs.bsky.social
AQI Observations @aqiobs.bsky.social · Nov 14
Breathe easy with near real-time air quality #DataViz updates!

This account monitors file extracts from the AirNow API.

If this account is polluting your BlueSky feed, you can hide future posts by muting the #AQIObs hashtag in your moderation settings.
aqiobs.bsky.social
The Air Quality Index (AQI) at the Greenville-ESC site in SC, United States is 136 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 12AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-18 00:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Frenchtown site in MT, United States is 120 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 10PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 22:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 131 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 12AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-18 00:00 - there is a peak AQI value of 131 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Dearborn site in MI, United States is 123 [Unhealthy for Sensitive Groups] as of Dec 18, 2025 @ 12AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-18 00:00 - there is a peak AQI value of 123 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 7:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Dearborn site in MI, United States is 111 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 11PM Local Time. This is the highest AQI observation in 60 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 60 days. At the end of the graph on 2025-12-17 23:00 - there is a peak AQI value of 111 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 6:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the North Charleston F.S. site in SC, United States is 136 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 10PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 22:00 - there is a peak AQI value of 136 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 5:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Dearborn site in MI, United States is 100 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 10PM Local Time. This is the highest AQI observation in 60 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 60 days. At the end of the graph on 2025-12-17 22:00 - there is a peak AQI value of 100 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 5:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Greenville-ESC site in SC, United States is 135 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 10PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 22:00 - there is a peak AQI value of 135 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 5:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Greenville-ESC site in SC, United States is 120 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 9PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 21:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 4:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 120 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 8PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 20:00 - there is a peak AQI value of 120 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 3:47 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 116 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 7PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 19:00 - there is a peak AQI value of 116 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 2:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster site in PA, United States is 115 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 6PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 18:00 - there is a peak AQI value of 115 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 1:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the North Holywood site in CA, United States is 111 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 2PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 14:00 - there is a peak AQI value of 111 in the Orange (Unhealthy for Sensitive Groups) zone.
December 18, 2025 at 12:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Helena site in MT, United States is 178 [Unhealthy] as of Dec 17, 2025 @ 3PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 15:00 - there is a peak AQI value of 178 in the Red (Unhealthy) zone.
December 18, 2025 at 12:46 AM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster DW site in PA, United States is 134 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 4PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 16:00 - there is a peak AQI value of 134 in the Orange (Unhealthy for Sensitive Groups) zone.
December 17, 2025 at 11:47 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Taos Fire Station site in NM, United States is 160 [Unhealthy] as of Dec 17, 2025 @ 1PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 13:00 - there is a peak AQI value of 160 in the Red (Unhealthy) zone.
December 17, 2025 at 10:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Helena site in MT, United States is 147 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 1PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 13:00 - there is a peak AQI value of 147 in the Orange (Unhealthy for Sensitive Groups) zone.
December 17, 2025 at 10:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Cut Bank site in MT, United States is 138 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 12PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 12:00 - there is a peak AQI value of 138 in the Orange (Unhealthy for Sensitive Groups) zone.
December 17, 2025 at 9:47 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Adams State College site in CO, United States is 111 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 12PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 12:00 - there is a peak AQI value of 111 in the Orange (Unhealthy for Sensitive Groups) zone.
December 17, 2025 at 9:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Bronx - IS74 site in NY, United States is 95 [Moderate] as of Dec 17, 2025 @ 1PM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 13:00 - there is a peak AQI value of 95 in the Yellow (Moderate) zone.
December 17, 2025 at 8:47 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Long Beach Signal Hill site in CA, United States is 167 [Unhealthy] as of Dec 17, 2025 @ 10AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 10:00 - there is a peak AQI value of 167 in the Red (Unhealthy) zone.
December 17, 2025 at 8:47 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Lancaster-Fairgrounds site in CA, United States is 166 [Unhealthy] as of Dec 17, 2025 @ 9AM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2025-12-17 09:00 - there is a peak AQI value of 166 in the Red (Unhealthy) zone.
December 17, 2025 at 7:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Calexico - Ethel Street site in CA, United States is 186 [Unhealthy] as of Dec 17, 2025 @ 8AM Local Time. This is the highest AQI observation in 1 year. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 1 year. At the end of the graph on 2025-12-17 08:00 - there is a peak AQI value of 186 in the Red (Unhealthy) zone.
December 17, 2025 at 6:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Troost site in MO, United States is 109 [Unhealthy for Sensitive Groups] as of Dec 17, 2025 @ 10AM Local Time. This is the highest AQI observation in 60 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 60 days. At the end of the graph on 2025-12-17 10:00 - there is a peak AQI value of 109 in the Orange (Unhealthy for Sensitive Groups) zone.
December 17, 2025 at 6:46 PM
aqiobs.bsky.social
The Air Quality Index (AQI) at the Augusta site in GA, United States is 160 [Unhealthy] as of Dec 17, 2025 @ 10AM Local Time. This is the highest AQI observation in 90 days. #AQIObs
Image of a line graph that shows the hourly PM2.5 AQI observations across 90 days. At the end of the graph on 2025-12-17 10:00 - there is a peak AQI value of 160 in the Red (Unhealthy) zone.
December 17, 2025 at 5:46 PM