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Air Quality History for Altoona, United States

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

33
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

459h

PM2.5 Station

459h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 32 26–41 7.6 µg/m³ 8.6 8h 2
2026-07-21 67 34–93 19.9 µg/m³ 31.2 24h 2
2026-07-20 66 42–88 19.5 µg/m³ 30.0 24h 2
2026-07-19 62 2–159 18.5 µg/m³ 21.6 24h 2
2026-07-18 129 23–182 55.7 µg/m³ 100.5 24h 2
2026-07-17 160 123–246 79.5 µg/m³ 172.5 24h 3
2026-07-16 90 25–187 36.0 µg/m³ 56.7 24h 2
2026-07-15 55 32–104 14.8 µg/m³ 15.3 24h 2
2026-07-14 35 18–49 8.3 µg/m³ 10.5 24h 2
2026-07-13 32 23–45 7.8 µg/m³ 8.7 24h 2
2026-07-12 32 16–69 7.8 µg/m³ 7.1 24h 2
2026-07-11 25 10–46 6.0 µg/m³ 5.3 24h 2
2026-07-10 43 11–71 10.9 µg/m³ 14.3 24h 2
2026-07-09 31 18–48 7.5 µg/m³ 8.8 24h 2
2026-07-08 26 10–36 6.2 µg/m³ 6.0 24h 2
2026-07-07 23 1–50 5.0 µg/m³ 3.3 23h 2
2026-07-06 19 2–35 4.5 µg/m³ 3.4 11h 2
2026-07-05 39 21–80 9.8 µg/m³ 9.7 24h 2
2026-07-04 20 6–68 4.9 µg/m³ 7.3 24h 2
2026-07-03 45 23–63 11.2 µg/m³ 13.9 24h 2
2026-07-02 33 21–58 8.2 µg/m³ 10.9 9h 2
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