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Air Quality History for Costa Mesa, United States

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

12
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 107 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-20 35 23–45 8.5 µg/m³ 11.0 20h 91
2026-10-19 29 22–38 7.0 µg/m³ 11.0 24h 106
2026-10-18 26 16–41 6.3 µg/m³ 11.0 24h 98
2026-10-17 26 16–35 6.2 µg/m³ 11.0 24h 106
2026-10-16 27 15–38 6.4 µg/m³ 11.0 24h 101
2026-10-15 27 17–40 6.5 µg/m³ 11.0 24h 105
2026-10-14 26 18–30 6.1 µg/m³ 11.0 24h 105
2026-10-13 23 20–27 5.6 µg/m³ 11.0 24h 104
2026-10-12 23 18–29 5.5 µg/m³ 11.0 24h 104
2026-10-11 32 29–35 7.7 µg/m³ 11.0 24h 105
2026-10-10 42 29–51 10.0 µg/m³ 11.0 24h 93
2026-10-09 42 32–61 10.3 µg/m³ 11.0 24h 98
2026-10-08 49 35–58 12.3 µg/m³ 11.0 24h 106
2026-10-07 42 14–53 10.0 µg/m³ 11.0 24h 101
2026-10-06 28 23–32 6.6 µg/m³ 11.0 24h 102
2026-10-05 30 19–38 7.2 µg/m³ 11.0 24h 107
2026-10-04 26 17–40 6.4 µg/m³ 11.0 24h 99
2026-10-03 35 18–48 8.4 µg/m³ 11.0 24h 104
2026-10-02 47 36–58 11.6 µg/m³ 11.0 24h 107
2026-10-01 51 39–63 12.9 µg/m³ 11.0 24h 106
2026-09-30 40 39–40 9.5 µg/m³ 11.0 2h 110
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