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Air Quality History for Greeley, United States

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

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

464h

PM2.5 Station

464h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 35 28–40 8.4 µg/m³ 25.9 6h 12
2026-07-21 46 21–67 11.9 µg/m³ 37.1 24h 11
2026-07-20 41 21–74 10.6 µg/m³ 26.9 24h 10
2026-07-19 34 19–81 8.6 µg/m³ 28.5 24h 11
2026-07-18 38 19–94 9.7 µg/m³ 31.3 24h 10
2026-07-17 78 25–152 25.9 µg/m³ 30.7 24h 11
2026-07-16 42 18–156 11.9 µg/m³ 23.3 24h 10
2026-07-15 26 18–38 6.3 µg/m³ 24.1 24h 10
2026-07-14 24 17–37 5.7 µg/m³ 18.6 24h 10
2026-07-13 32 17–168 9.6 µg/m³ 21.5 24h 11
2026-07-12 26 16–34 6.3 µg/m³ 15.5 24h 11
2026-07-11 25 16–38 6.0 µg/m³ 21.3 24h 9
2026-07-10 27 17–57 6.5 µg/m³ 14.9 24h 10
2026-07-09 26 18–36 6.2 µg/m³ 15.9 24h 11
2026-07-08 45 16–64 11.4 µg/m³ 25.8 24h 12
2026-07-07 55 45–68 14.2 µg/m³ 34.0 24h 12
2026-07-06 54 17–71 14.7 µg/m³ 30.4 14h 10
2026-07-05 50 26–71 12.8 µg/m³ 18.0 24h 12
2026-07-04 45 32–67 11.3 µg/m³ 19.4 24h 12
2026-07-03 52 38–64 13.0 µg/m³ 29.1 24h 12
2026-07-02 49 10–61 12.5 µg/m³ 28.9 12h 10
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