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Air Quality History for Rockford, United States

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

39
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

183h

PM2.5 Station

183h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 60 9–106 19.6 µg/m³ 3h 1
2026-07-20 56 2–134 18.3 µg/m³ 10h 1
2026-07-19 54 10–193 24.4 µg/m³ 8h 1
2026-07-18 83 8–183 35.4 µg/m³ 8h 1
2026-07-17 84 40–129 28.2 µg/m³ 2h 1
2026-07-16 120 61–199 54.4 µg/m³ 11h 1
2026-07-15 97 49–173 37.3 µg/m³ 8h 1
2026-07-14 45 27–58 11.1 µg/m³ 12h 1
2026-07-13 38 20–56 9.1 µg/m³ 11h 1
2026-07-12 32 9–71 8.2 µg/m³ 11h 1
2026-07-11 36 8–65 8.9 µg/m³ 13h 1
2026-07-10 23 7–38 5.6 µg/m³ 9h 1
2026-07-09 26 2–51 6.3 µg/m³ 9h 1
2026-07-08 17 1–43 4.0 µg/m³ 12h 1
2026-07-07 17 1–39 4.1 µg/m³ 13h 1
2026-07-06 40 28–52 9.5 µg/m³ 5h 1
2026-07-05 48 6–180 16.4 µg/m³ 15h 1
2026-07-04 32 15–50 7.8 µg/m³ 9h 1
2026-07-03 50 39–72 12.9 µg/m³ 11h 1
2026-07-02 61 53–77 17.0 µg/m³ 3h 1
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