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Air Quality History for West Hartford, United States

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

15
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 17 11–32 4.1 µg/m³ 14h 2
2026-06-08 20 12–48 4.8 µg/m³ 24h 2
2026-06-07 28 13–55 6.6 µg/m³ 24h 2
2026-06-06 39 31–57 9.5 µg/m³ 24h 2
2026-06-05 37 24–57 8.9 µg/m³ 24h 2
2026-06-04 23 12–35 5.5 µg/m³ 24h 2
2026-06-03 23 17–35 5.5 µg/m³ 24h 2
2026-06-02 21 13–31 5.1 µg/m³ 24h 2
2026-06-01 22 13–51 5.3 µg/m³ 23h 2
2026-05-31 23 14–30 5.4 µg/m³ 24h 2
2026-05-30 22 7–52 5.2 µg/m³ 24h 2
2026-05-29 19 11–35 4.5 µg/m³ 24h 2
2026-05-28 20 12–32 4.9 µg/m³ 24h 2
2026-05-27 22 10–41 5.1 µg/m³ 24h 2
2026-05-26 21 12–32 4.9 µg/m³ 24h 2
2026-05-25 15 9–30 3.6 µg/m³ 24h 2
2026-05-24 16 10–30 3.9 µg/m³ 24h 2
2026-05-23 18 11–40 4.3 µg/m³ 24h 2
2026-05-22 17 11–32 4.0 µg/m³ 24h 2
2026-05-21 20 10–33 4.8 µg/m³ 24h 2
2026-05-20 22 15–28 5.4 µg/m³ 9h 2
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