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Air Quality History for Casa de Oro-Mount Helix, United States

Historical PM2.5 and AQI trend from monitoring stations near Casa de Oro-Mount Helix, United States.

25
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 27 23–33 6.5 µg/m³ 1.2 4h 8
2026-10-20 47 28–70 12.1 µg/m³ 5.9 24h 8
2026-10-19 44 23–69 11.4 µg/m³ 1.9 24h 7
2026-10-18 32 23–46 7.6 µg/m³ 2.8 24h 6
2026-10-17 34 23–50 8.2 µg/m³ — 24h 6
2026-10-16 41 19–73 10.3 µg/m³ — 24h 6
2026-10-15 43 24–63 11.3 µg/m³ 3.7 24h 7
2026-10-14 41 25–65 10.4 µg/m³ 2.4 24h 7
2026-10-13 30 22–45 7.2 µg/m³ 1.1 24h 7
2026-10-12 25 20–37 6.1 µg/m³ 1.6 24h 7
2026-10-11 29 21–41 7.0 µg/m³ 3.0 24h 8
2026-10-10 45 32–63 11.0 µg/m³ 8.6 24h 7
2026-10-09 44 32–63 10.8 µg/m³ 5.2 24h 7
2026-10-08 45 29–59 11.0 µg/m³ 3.7 24h 8
2026-10-07 45 31–57 10.7 µg/m³ 3.7 17h 7
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