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Air Quality History for Worcester, United States

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

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

448h

PM2.5 Station

448h · 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 22 22–22 5.3 µg/m³ 1h 2
2026-07-21 45 3–108 12.3 µg/m³ 19h 3
2026-07-20 63 5–273 24.5 µg/m³ 22h 3
2026-07-19 53 9–108 15.0 µg/m³ 24h 3
2026-07-18 63 20–171 20.5 µg/m³ 23h 3
2026-07-17 117 28–224 55.3 µg/m³ 24h 3
2026-07-16 95 25–254 48.1 µg/m³ 23h 3
2026-07-15 49 20–169 15.2 µg/m³ 24h 3
2026-07-14 32 11–54 7.7 µg/m³ 23h 3
2026-07-13 31 14–52 7.5 µg/m³ 24h 3
2026-07-12 36 8–58 8.7 µg/m³ 24h 3
2026-07-11 33 18–47 7.9 µg/m³ 24h 3
2026-07-10 38 16–135 9.9 µg/m³ 24h 3
2026-07-09 33 18–49 7.9 µg/m³ 24h 3
2026-07-08 30 18–50 7.1 µg/m³ 24h 3
2026-07-07 32 15–46 7.7 µg/m³ 24h 3
2026-07-06 28 15–33 6.7 µg/m³ 13h 3
2026-07-05 37 17–66 9.1 µg/m³ 24h 3
2026-07-04 40 17–76 10.1 µg/m³ 24h 3
2026-07-03 37 1–64 9.1 µg/m³ 24h 3
2026-07-02 56 34–77 15.4 µg/m³ 12h 3
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