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Air Quality History for Hamden, United States

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

37
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

440h

PM2.5 Station

440h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 40 27–54 10.0 µg/m³ 2h 4
2026-07-21 53 30–74 13.9 µg/m³ 20h 4
2026-07-20 53 2–133 15.3 µg/m³ 20h 3
2026-07-19 62 19–130 18.5 µg/m³ 22h 4
2026-07-18 67 21–141 20.1 µg/m³ 21h 4
2026-07-17 97 42–183 38.5 µg/m³ 24h 5
2026-07-16 85 30–183 33.2 µg/m³ 24h 5
2026-07-15 47 20–82 12.3 µg/m³ 24h 4
2026-07-14 38 25–54 9.1 µg/m³ 23h 5
2026-07-13 33 20–48 8.0 µg/m³ 24h 5
2026-07-12 32 15–48 7.7 µg/m³ 24h 4
2026-07-11 36 26–54 8.8 µg/m³ 23h 5
2026-07-10 32 15–44 7.8 µg/m³ 22h 5
2026-07-09 34 19–47 8.1 µg/m³ 24h 5
2026-07-08 34 20–43 8.2 µg/m³ 24h 5
2026-07-07 32 19–46 7.6 µg/m³ 23h 5
2026-07-06 37 33–42 8.9 µg/m³ 13h 5
2026-07-05 54 25–160 15.5 µg/m³ 24h 4
2026-07-04 41 23–57 9.8 µg/m³ 24h 5
2026-07-03 50 26–67 12.6 µg/m³ 24h 5
2026-07-02 58 44–75 15.7 µg/m³ 11h 4
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