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Air Quality History for Allston, United States

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

60
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

338h

PM2.5 Station

338h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 46 20–85 12.5 µg/m³ 13.0 23h 1
2026-07-20 24 10–60 5.9 µg/m³ 5.8 24h 1
2026-07-19 59 8–161 19.6 µg/m³ 21.6 24h 1
2026-07-18 98 13–173 42.6 µg/m³ 46.7 24h 1
2026-07-17 16 10–23 3.9 µg/m³ 4.1 8h 1
2026-07-15 78 67–98 25.0 µg/m³ 26.4 9h 1
2026-07-14 60 41–75 16.5 µg/m³ 16.8 24h 1
2026-07-13 52 31–68 13.8 µg/m³ 14.2 24h 1
2026-07-12 42 15–74 11.1 µg/m³ 11.4 24h 1
2026-07-11 56 26–79 15.4 µg/m³ 15.9 24h 1
2026-07-10 20 7–29 4.9 µg/m³ 5.0 7h 1
2026-07-08 45 45–45 10.9 µg/m³ 11.7 1h 1
2026-07-07 48 31–64 12.1 µg/m³ 12.7 24h 1
2026-07-06 56 39–88 15.5 µg/m³ 16.7 12h 1
2026-07-05 76 57–112 23.8 µg/m³ 24.9 24h 1
2026-07-04 62 41–172 18.7 µg/m³ 19.9 24h 1
2026-07-03 54 42–67 13.9 µg/m³ 14.7 24h 1
2026-07-02 49 24–89 13.2 µg/m³ 14.6 13h 1
2026-07-01 68 68–68 20.1 µg/m³ 20.1 1h 1
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