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Air Quality History for Worcester, United States

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

44
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

438h

PM2.5 Station

438h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 36 27–47 8.7 µg/m³ 6h 2
2026-07-21 50 13–114 14.2 µg/m³ 18h 2
2026-07-20 53 3–132 15.6 µg/m³ 23h 2
2026-07-19 53 12–147 15.5 µg/m³ 21h 2
2026-07-18 63 17–157 19.9 µg/m³ 24h 2
2026-07-17 144 14–305 84.5 µg/m³ 23h 2
2026-07-16 71 23–181 24.1 µg/m³ 24h 2
2026-07-15 50 9–178 17.2 µg/m³ 23h 2
2026-07-14 35 15–50 8.5 µg/m³ 24h 2
2026-07-13 32 12–50 7.7 µg/m³ 21h 2
2026-07-12 55 18–197 22.3 µg/m³ 23h 2
2026-07-11 34 6–92 8.5 µg/m³ 23h 2
2026-07-10 35 20–61 8.4 µg/m³ 23h 2
2026-07-09 36 16–61 8.8 µg/m³ 22h 2
2026-07-08 31 14–50 7.5 µg/m³ 23h 2
2026-07-07 32 7–60 7.8 µg/m³ 23h 2
2026-07-06 30 15–38 7.1 µg/m³ 13h 2
2026-07-05 44 23–88 11.3 µg/m³ 24h 2
2026-07-04 32 15–49 7.6 µg/m³ 23h 2
2026-07-03 46 16–67 11.6 µg/m³ 22h 2
2026-07-02 54 27–69 14.2 µg/m³ 12h 2
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