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Air Quality History for Monrovia, United States

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

32
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 19 15–26 4.5 µg/m³ 4.8 4h 2
2026-08-07 36 15–56 8.7 µg/m³ 9.6 24h 2
2026-08-06 43 27–56 10.4 µg/m³ 11.4 24h 2
2026-08-05 45 22–63 11.2 µg/m³ 12.5 24h 2
2026-08-04 43 22–65 11.0 µg/m³ 12.2 24h 2
2026-08-03 44 25–61 11.0 µg/m³ 12.5 23h 2
2026-08-02 39 15–53 9.3 µg/m³ 10.1 24h 2
2026-08-01 41 1–58 10.0 µg/m³ 10.8 24h 2
2026-07-31 47 24–76 12.5 µg/m³ 13.7 24h 2
2026-07-30 46 27–78 11.7 µg/m³ 12.8 24h 2
2026-07-29 44 21–62 10.7 µg/m³ 11.9 24h 2
2026-07-28 31 15–49 7.5 µg/m³ 8.4 24h 2
2026-07-27 30 15–55 7.2 µg/m³ 8.2 24h 2
2026-07-26 37 24–56 9.0 µg/m³ 10.1 24h 2
2026-07-25 30 18–44 7.2 µg/m³ 8.2 24h 2
2026-07-24 24 6–34 5.7 µg/m³ 6.4 24h 2
2026-07-23 12 1–26 3.0 µg/m³ 3.4 23h 2
2026-07-22 22 3–53 5.2 µg/m³ 5.7 24h 2
2026-07-21 20 10–33 4.9 µg/m³ 5.5 24h 2
2026-07-20 37 8–63 9.0 µg/m³ 9.9 24h 2
2026-07-19 42 26–52 10.0 µg/m³ 11.1 19h 2
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