Home › United States › Tri-Cities › History

Air Quality History for Tri-Cities, United States

Historical PM2.5 and AQI trend from monitoring stations near Tri-Cities, United States.

85
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

405h

PM2.5 Station

405h · 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 82 82–82 26.7 µg/m³ 1h 4
2026-07-21 96 66–153 32.6 µg/m³ 22h 3
2026-07-20 44 13–122 12.4 µg/m³ 24h 3
2026-07-19 20 9–50 4.9 µg/m³ 24h 4
2026-07-18 23 7–48 5.4 µg/m³ 24h 4
2026-07-17 64 12–203 26.0 µg/m³ 24h 3
2026-07-16 30 15–58 7.2 µg/m³ 20h 3
2026-07-15 28 16–44 6.8 µg/m³ 24h 4
2026-07-14 19 4–42 4.6 µg/m³ 24h 4
2026-07-13 11 2–22 2.8 µg/m³ 24h 4
2026-07-12 10 4–37 2.5 µg/m³ 24h 4
2026-07-11 32 4–309 15.7 µg/m³ 24h 4
2026-07-10 18 9–31 4.4 µg/m³ 24h 4
2026-07-09 17 3–27 4.2 µg/m³ 14h 4
2026-07-08 21 15–32 5.1 µg/m³ 11h 4
2026-07-07 29 21–40 7.0 µg/m³ 8h 4
2026-07-06 34 12–72 8.6 µg/m³ 8h 4
2026-07-05 17 6–56 4.1 µg/m³ 24h 4
2026-07-04 9 2–21 2.1 µg/m³ 24h 4
2026-07-03 16 4–68 4.0 µg/m³ 24h 4
2026-07-02 21 14–27 5.1 µg/m³ 9h 4
Back to Tri-Cities Air Quality