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Air Quality History for Acton, United States

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

36
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 34 26–46 8.2 µg/m³ 5h 7
2026-07-21 47 26–61 11.7 µg/m³ 24h 9
2026-07-20 52 22–167 15.3 µg/m³ 24h 10
2026-07-19 50 28–88 13.1 µg/m³ 24h 10
2026-07-18 76 21–127 24.5 µg/m³ 24h 10
2026-07-17 122 28–218 54.8 µg/m³ 24h 11
2026-07-16 69 35–155 21.1 µg/m³ 24h 8
2026-07-15 65 34–168 20.2 µg/m³ 24h 9
2026-07-14 45 34–57 11.0 µg/m³ 24h 10
2026-07-13 37 23–51 8.9 µg/m³ 24h 10
2026-07-12 43 21–169 12.4 µg/m³ 24h 9
2026-07-11 40 29–53 9.6 µg/m³ 24h 10
2026-07-10 35 24–52 8.4 µg/m³ 24h 9
2026-07-09 36 25–46 8.6 µg/m³ 24h 8
2026-07-08 35 23–46 8.5 µg/m³ 18h 8
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