Home › United States › Walla Walla › History

Air Quality History for Walla Walla, United States

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

103
Current AQI
Unhealthy for sensitive groups Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

323h

PM2.5 Station

323h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-08 88 72–117 29.2 µg/m³ 3h 1
2026-08-07 139 74–167 60.2 µg/m³ 19h 1
2026-08-06 171 154–194 94.7 µg/m³ 16h 1
2026-08-05 193 167–251 127.4 µg/m³ 13h 1
2026-08-04 134 97–158 50.8 µg/m³ 20h 1
2026-08-03 17 13–42 4.1 µg/m³ 14h 1
2026-08-02 30 12–108 8.9 µg/m³ 16h 1
2026-08-01 43 35–63 10.7 µg/m³ 7h 1
2026-07-31 118 66–159 43.4 µg/m³ 20h 1
2026-07-30 66 35–96 20.0 µg/m³ 15h 1
2026-07-29 52 15–153 16.2 µg/m³ 12h 1
2026-07-28 101 54–159 36.0 µg/m³ 11h 1
2026-07-27 80 31–152 26.3 µg/m³ 16h 1
2026-07-26 49 13–90 13.8 µg/m³ 16h 1
2026-07-25 46 22–82 11.9 µg/m³ 18h 1
2026-07-24 96 29–166 34.9 µg/m³ 24h 1
2026-07-23 109 65–151 38.3 µg/m³ 21h 1
2026-07-22 110 80–155 39.3 µg/m³ 24h 1
2026-07-21 140 56–227 82.1 µg/m³ 10h 1
2026-07-20 52 22–97 15.2 µg/m³ 12h 1
2026-07-19 29 18–62 7.1 µg/m³ 16h 1
Back to Walla Walla Air Quality