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Air Quality History for Richland, United States

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

83
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

406h

PM2.5 Station

406h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 79 76–82 25.6 µg/m³ 2h 4
2026-07-21 95 67–152 32.4 µg/m³ 22h 3
2026-07-20 43 14–122 12.0 µg/m³ 24h 3
2026-07-19 18 9–44 4.4 µg/m³ 24h 4
2026-07-18 21 7–44 5.0 µg/m³ 24h 4
2026-07-17 57 12–173 19.6 µg/m³ 24h 3
2026-07-16 28 15–58 6.9 µg/m³ 20h 3
2026-07-15 25 16–36 5.9 µg/m³ 24h 4
2026-07-14 16 4–33 4.0 µg/m³ 24h 4
2026-07-13 9 2–15 2.1 µg/m³ 24h 4
2026-07-12 8 4–23 1.8 µg/m³ 24h 4
2026-07-11 22 4–198 9.5 µg/m³ 24h 4
2026-07-10 13 6–21 3.1 µg/m³ 24h 4
2026-07-09 12 3–17 2.8 µg/m³ 14h 4
2026-07-08 18 14–27 4.3 µg/m³ 11h 4
2026-07-07 26 21–38 6.3 µg/m³ 8h 4
2026-07-06 33 10–72 8.6 µg/m³ 8h 4
2026-07-05 15 6–52 3.6 µg/m³ 24h 4
2026-07-04 7 2–14 1.6 µg/m³ 24h 4
2026-07-03 12 4–50 3.0 µg/m³ 24h 4
2026-07-02 17 13–27 4.2 µg/m³ 9h 4
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