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Air Quality History for Iowa City, United States

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

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

Air Quality Index Station

337h

PM2.5 Station

337h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-20 20 1–34 4.7 µg/m³ 17h 1
2026-10-19 21 10–34 5.0 µg/m³ 16h 2
2026-10-18 16 6–30 4.0 µg/m³ 15h 2
2026-10-17 17 7–38 4.0 µg/m³ 17h 2
2026-10-16 23 9–47 5.4 µg/m³ 20h 2
2026-10-15 24 9–56 5.7 µg/m³ 19h 2
2026-10-14 29 9–49 6.9 µg/m³ 17h 1
2026-10-13 29 16–49 7.1 µg/m³ 17h 2
2026-10-12 17 8–30 4.1 µg/m³ 17h 2
2026-10-11 28 10–47 6.7 µg/m³ 18h 1
2026-10-10 28 13–54 6.7 µg/m³ 17h 2
2026-10-09 25 2–54 6.1 µg/m³ 16h 2
2026-10-08 38 15–183 12.8 µg/m³ 20h 1
2026-10-07 23 8–51 5.5 µg/m³ 17h 1
2026-10-06 23 6–47 5.6 µg/m³ 19h 2
2026-10-05 19 5–48 4.5 µg/m³ 18h 2
2026-10-04 20 13–31 4.9 µg/m³ 14h 2
2026-10-03 19 8–35 4.6 µg/m³ 11h 2
2026-10-02 34 4–55 8.2 µg/m³ 21h 2
2026-10-01 36 16–56 9.0 µg/m³ 11h 2
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