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Air Quality History for Westfield, United States

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

26
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 28 21–42 6.6 µg/m³ 7h 5
2026-06-08 35 23–48 8.4 µg/m³ 23h 4
2026-06-07 47 32–54 11.4 µg/m³ 24h 4
2026-06-06 44 33–51 10.5 µg/m³ 24h 5
2026-06-05 48 33–59 11.7 µg/m³ 24h 4
2026-06-04 56 35–117 15.3 µg/m³ 24h 4
2026-06-03 37 28–55 9.0 µg/m³ 24h 5
2026-06-02 30 24–40 7.2 µg/m³ 24h 5
2026-06-01 37 24–59 9.0 µg/m³ 23h 3
2026-05-31 29 19–60 7.1 µg/m³ 24h 3
2026-05-30 47 18–74 12.0 µg/m³ 24h 4
2026-05-29 39 22–56 9.5 µg/m³ 22h 5
2026-05-28 40 23–53 9.7 µg/m³ 24h 5
2026-05-27 31 21–52 7.3 µg/m³ 24h 5
2026-05-26 40 26–64 9.7 µg/m³ 24h 5
2026-05-25 32 21–47 7.6 µg/m³ 24h 5
2026-05-24 36 27–52 8.6 µg/m³ 24h 5
2026-05-23 19 10–26 4.6 µg/m³ 24h 5
2026-05-22 22 8–34 5.3 µg/m³ 24h 5
2026-05-21 24 18–32 5.7 µg/m³ 24h 5
2026-05-20 25 17–36 6.0 µg/m³ 16h 5
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