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Air Quality History for Marlborough, United States

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

37
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

463h

PM2.5 Station

463h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 20 20–20 4.8 µg/m³ 5.0 1h 1
2026-07-21 46 30–68 11.4 µg/m³ 13.1 24h 10
2026-07-20 56 28–168 16.5 µg/m³ 5.8 24h 11
2026-07-19 55 35–83 14.4 µg/m³ 21.6 24h 11
2026-07-18 71 27–104 22.2 µg/m³ 46.7 24h 11
2026-07-17 114 33–198 50.5 µg/m³ 4.1 24h 11
2026-07-16 82 38–179 29.9 µg/m³ — 24h 10
2026-07-15 56 30–103 14.8 µg/m³ 26.6 24h 11
2026-07-14 45 35–54 10.8 µg/m³ 16.8 24h 11
2026-07-13 36 24–48 8.6 µg/m³ 14.2 24h 11
2026-07-12 37 23–47 8.9 µg/m³ 11.4 24h 11
2026-07-11 40 30–48 9.6 µg/m³ 15.9 24h 11
2026-07-10 38 28–70 9.3 µg/m³ 5.0 24h 10
2026-07-09 34 24–40 8.1 µg/m³ — 24h 10
2026-07-08 33 25–48 8.0 µg/m³ 11.6 24h 10
2026-07-07 33 26–49 8.0 µg/m³ 12.7 24h 12
2026-07-06 34 13–53 8.1 µg/m³ 16.7 15h 9
2026-07-05 54 38–71 13.8 µg/m³ 24.9 24h 11
2026-07-04 42 28–61 10.2 µg/m³ 19.9 24h 11
2026-07-03 44 32–66 10.8 µg/m³ 14.7 24h 11
2026-07-02 46 10–89 12.3 µg/m³ 13.8 15h 9
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