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Air Quality History for La Crescenta-Montrose, United States

Historical PM2.5 and AQI trend from monitoring stations near La Crescenta-Montrose, United States.

19
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 13 6–22 3.1 µg/m³ 3.3 9h 2
2026-08-07 19 7–29 4.5 µg/m³ 5.0 24h 2
2026-08-06 27 12–53 6.6 µg/m³ 7.4 24h 2
2026-08-05 28 12–58 6.8 µg/m³ 7.8 24h 2
2026-08-04 29 11–62 7.1 µg/m³ 8.1 24h 2
2026-08-03 25 14–57 6.2 µg/m³ 7.2 23h 2
2026-08-02 22 7–40 5.4 µg/m³ 5.9 24h 2
2026-08-01 29 1–54 7.0 µg/m³ 7.7 24h 2
2026-07-31 31 11–72 8.0 µg/m³ 8.9 24h 2
2026-07-30 29 12–78 7.2 µg/m³ 8.0 24h 2
2026-07-29 25 10–57 6.1 µg/m³ 6.8 24h 2
2026-07-28 21 7–46 4.9 µg/m³ 5.7 24h 2
2026-07-27 21 7–55 5.1 µg/m³ 6.0 24h 2
2026-07-26 24 11–53 5.8 µg/m³ 6.7 24h 2
2026-07-25 20 8–42 4.8 µg/m³ 5.5 24h 2
2026-07-24 12 3–25 3.0 µg/m³ 3.4 24h 2
2026-07-23 8 1–25 1.8 µg/m³ 2.1 23h 2
2026-07-22 15 2–50 3.5 µg/m³ 3.9 24h 2
2026-07-21 12 5–33 2.8 µg/m³ 3.1 24h 2
2026-07-20 20 8–63 4.9 µg/m³ 5.4 24h 2
2026-07-19 24 16–36 5.8 µg/m³ 6.5 14h 2
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