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Air Quality History for New Canaan, United States

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

1
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 17 4–23 4.0 µg/m³ 9h 16
2026-06-08 22 14–36 5.4 µg/m³ 24h 19
2026-06-07 26 14–38 6.3 µg/m³ 24h 19
2026-06-06 45 31–56 11.0 µg/m³ 24h 20
2026-06-05 38 23–52 9.1 µg/m³ 24h 20
2026-06-04 27 13–35 6.6 µg/m³ 24h 20
2026-06-03 23 13–28 5.4 µg/m³ 24h 20
2026-06-02 24 17–28 5.7 µg/m³ 24h 17
2026-06-01 22 17–29 5.3 µg/m³ 24h 18
2026-05-31 23 16–52 5.5 µg/m³ 24h 16
2026-05-30 18 9–30 4.3 µg/m³ 24h 18
2026-05-29 20 14–36 4.8 µg/m³ 24h 19
2026-05-28 22 11–38 5.3 µg/m³ 24h 17
2026-05-27 27 18–36 6.5 µg/m³ 24h 19
2026-05-26 35 20–139 9.9 µg/m³ 24h 17
2026-05-25 22 9–31 5.3 µg/m³ 24h 15
2026-05-24 25 11–132 6.6 µg/m³ 24h 15
2026-05-23 30 12–166 10.1 µg/m³ 24h 15
2026-05-22 17 13–25 4.0 µg/m³ 24h 18
2026-05-21 18 12–30 4.3 µg/m³ 24h 18
2026-05-20 28 21–36 6.8 µg/m³ 15h 20
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