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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

333h

PM2.5 Station

333h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-07 123 57–168 46.7 µg/m³ 24h 6
2026-08-06 146 123–162 56.0 µg/m³ 24h 6
2026-08-05 155 137–165 64.0 µg/m³ 24h 6
2026-08-04 147 106–169 62.5 µg/m³ 24h 7
2026-08-03 62 8–158 21.4 µg/m³ 24h 5
2026-08-02 19 8–46 4.6 µg/m³ 24h 6
2026-08-01 45 12–88 12.0 µg/m³ 24h 7
2026-07-31 49 22–87 13.4 µg/m³ 24h 7
2026-07-30 46 19–103 12.4 µg/m³ 24h 6
2026-07-29 29 9–67 7.3 µg/m³ 24h 7
2026-07-28 67 16–117 21.6 µg/m³ 24h 6
2026-07-27 37 9–78 9.7 µg/m³ 24h 6
2026-07-26 43 8–151 12.7 µg/m³ 24h 7
2026-07-25 36 19–86 9.2 µg/m³ 21h 7
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