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Air Quality History for Hermiston, United States

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

54
Current AQI
Moderate CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 9 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-08 66 53–80 19.4 µg/m³ 2h 9
2026-08-07 114 60–168 42.8 µg/m³ 24h 7
2026-08-06 136 118–160 51.3 µg/m³ 24h 7
2026-08-05 148 122–165 59.4 µg/m³ 24h 7
2026-08-04 133 84–167 54.4 µg/m³ 24h 8
2026-08-03 55 10–117 17.6 µg/m³ 24h 6
2026-08-02 23 10–84 6.0 µg/m³ 24h 8
2026-08-01 37 12–69 9.5 µg/m³ 24h 8
2026-07-31 41 20–72 10.7 µg/m³ 24h 8
2026-07-30 44 18–98 12.0 µg/m³ 24h 7
2026-07-29 30 9–75 7.3 µg/m³ 24h 8
2026-07-28 68 18–118 21.2 µg/m³ 24h 7
2026-07-27 32 12–77 8.2 µg/m³ 24h 7
2026-07-26 36 9–118 10.4 µg/m³ 24h 8
2026-07-25 38 18–78 9.7 µg/m³ 24h 7
2026-07-24 51 24–125 15.1 µg/m³ 24h 6
2026-07-23 79 58–120 25.4 µg/m³ 24h 7
2026-07-22 89 73–113 29.9 µg/m³ 24h 7
2026-07-21 93 71–156 31.8 µg/m³ 24h 6
2026-07-20 52 21–96 14.3 µg/m³ 24h 7
2026-07-19 29 17–75 7.3 µg/m³ 19h 7
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