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Air Quality History for Allen, United States

Historical PM2.5 and AQI trend from monitoring stations near Allen, United States.

47
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

330h

PM2.5 Station

330h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 64 64–64 18.3 µg/m³ — 1h 1
2026-05-28 31 17–53 7.4 µg/m³ 21.6 24h 4
2026-05-27 34 18–106 8.7 µg/m³ 14.4 23h 4
2026-05-26 42 27–58 10.4 µg/m³ 25.0 24h 4
2026-05-25 37 22–59 8.9 µg/m³ 19.4 24h 4
2026-05-24 37 22–54 8.9 µg/m³ 20.1 24h 4
2026-05-23 33 20–52 7.9 µg/m³ 16.5 24h 4
2026-05-22 39 25–63 9.4 µg/m³ 18.5 24h 4
2026-05-21 41 30–54 9.7 µg/m³ 20.1 24h 4
2026-05-20 41 20–181 12.7 µg/m³ 19.6 24h 4
2026-05-19 56 29–153 15.2 µg/m³ 34.2 24h 4
2026-05-18 56 31–80 15.0 µg/m³ 46.0 24h 4
2026-05-17 51 32–79 13.7 µg/m³ 30.0 23h 4
2026-05-16 38 29–56 9.3 µg/m³ 28.9 21h 4
2026-05-15 38 22–66 9.3 µg/m³ 30.0 22h 4
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