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Air Quality History for Merced, United States

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

44
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

432h

PM2.5 Station

432h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 53 2–171 16.9 µg/m³ 18h 2
2026-07-20 47 23–80 12.7 µg/m³ 24h 2
2026-07-19 65 21–439 31.4 µg/m³ 21h 3
2026-07-18 48 21–98 12.8 µg/m³ 24h 2
2026-07-17 54 19–183 17.4 µg/m³ 23h 3
2026-07-16 54 28–77 14.4 µg/m³ 22h 3
2026-07-15 53 19–78 13.9 µg/m³ 24h 3
2026-07-14 38 13–62 9.2 µg/m³ 24h 2
2026-07-13 35 8–67 8.7 µg/m³ 23h 2
2026-07-12 38 16–80 9.4 µg/m³ 22h 3
2026-07-11 36 12–54 8.5 µg/m³ 24h 3
2026-07-10 36 5–61 8.8 µg/m³ 22h 3
2026-07-09 38 19–52 9.1 µg/m³ 21h 2
2026-07-08 38 8–68 9.5 µg/m³ 24h 2
2026-07-07 34 12–57 8.2 µg/m³ 22h 2
2026-07-06 33 13–54 8.1 µg/m³ 11h 3
2026-07-05 58 20–178 19.0 µg/m³ 22h 2
2026-07-04 36 12–55 8.7 µg/m³ 23h 2
2026-07-03 37 20–65 9.0 µg/m³ 24h 2
2026-07-02 38 10–66 9.4 µg/m³ 12h 2
2026-07-01 36 31–41 8.7 µg/m³ 2h 3
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