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Air Quality History for Billings, United States

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

67
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

432h

PM2.5 Station

432h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 66 56–95 19.3 µg/m³ 23h 1
2026-07-20 70 38–97 21.2 µg/m³ 22h 1
2026-07-19 33 23–42 8.0 µg/m³ 23h 1
2026-07-18 27 21–34 6.4 µg/m³ 23h 1
2026-07-17 28 19–38 6.7 µg/m³ 24h 1
2026-07-16 52 28–67 13.8 µg/m³ 22h 1
2026-07-15 30 23–38 7.3 µg/m³ 23h 1
2026-07-14 26 21–39 6.3 µg/m³ 22h 1
2026-07-13 29 8–42 7.0 µg/m³ 23h 1
2026-07-12 24 8–43 5.8 µg/m³ 22h 1
2026-07-11 25 15–35 6.0 µg/m³ 18h 1
2026-07-10 28 24–33 6.6 µg/m³ 22h 1
2026-07-09 24 19–31 5.6 µg/m³ 23h 1
2026-07-08 34 21–42 8.3 µg/m³ 24h 1
2026-07-07 25 20–29 6.1 µg/m³ 24h 1
2026-07-06 23 20–27 5.4 µg/m³ 12h 1
2026-07-05 49 19–136 14.1 µg/m³ 24h 1
2026-07-04 37 18–68 9.4 µg/m³ 24h 1
2026-07-03 26 18–36 6.3 µg/m³ 24h 1
2026-07-02 20 17–32 4.8 µg/m³ 10h 1
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