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Air Quality History for Madison, United States

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

47
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

340h

PM2.5 Station

340h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 57 57–57 14.9 µg/m³ 1h 1
2026-07-21 47 23–76 12.0 µg/m³ 16h 2
2026-07-20 46 17–98 12.7 µg/m³ 14h 2
2026-07-19 38 18–124 10.5 µg/m³ 18h 2
2026-07-18 70 28–168 24.3 µg/m³ 20h 2
2026-07-17 94 12–314 52.5 µg/m³ 19h 1
2026-07-16 90 17–454 53.3 µg/m³ 21h 1
2026-07-15 35 15–53 8.4 µg/m³ 15h 1
2026-07-14 36 15–58 8.8 µg/m³ 18h 2
2026-07-13 36 19–56 8.8 µg/m³ 17h 1
2026-07-12 33 15–50 8.0 µg/m³ 14h 2
2026-07-11 32 15–49 7.8 µg/m³ 19h 2
2026-07-10 32 21–56 7.6 µg/m³ 19h 2
2026-07-09 38 18–68 9.4 µg/m³ 19h 2
2026-07-08 31 9–58 7.5 µg/m³ 19h 2
2026-07-07 34 14–55 8.3 µg/m³ 20h 2
2026-07-06 37 30–47 8.8 µg/m³ 8h 2
2026-07-05 42 14–164 13.0 µg/m³ 19h 2
2026-07-04 42 30–78 10.8 µg/m³ 18h 1
2026-07-03 49 18–73 12.6 µg/m³ 18h 2
2026-07-02 49 30–60 12.4 µg/m³ 8h 2
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