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Air Quality History for Sylmar, United States

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

37
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

466h

PM2.5 Station

466h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 36 25–55 8.6 µg/m³ 8h 1
2026-06-08 46 21–66 11.5 µg/m³ 24h 1
2026-06-07 44 29–68 11.0 µg/m³ 24h 1
2026-06-06 66 38–122 19.5 µg/m³ 24h 1
2026-06-05 82 50–142 26.5 µg/m³ 24h 1
2026-06-04 58 38–78 15.6 µg/m³ 24h 1
2026-06-03 60 25–144 17.5 µg/m³ 24h 1
2026-06-02 57 25–82 15.8 µg/m³ 24h 1
2026-06-01 45 17–80 12.0 µg/m³ 21h 1
2026-05-31 31 17–57 7.5 µg/m³ 24h 1
2026-05-30 19 12–42 4.6 µg/m³ 24h 1
2026-05-29 18 12–33 4.3 µg/m³ 24h 1
2026-05-28 21 12–38 4.9 µg/m³ 16h 1
2026-05-27 25 12–38 6.0 µg/m³ 24h 1
2026-05-26 27 17–53 6.5 µg/m³ 24h 1
2026-05-25 32 17–59 7.8 µg/m³ 24h 1
2026-05-24 50 29–72 13.4 µg/m³ 24h 1
2026-05-23 57 38–95 15.7 µg/m³ 24h 1
2026-05-22 58 21–102 17.5 µg/m³ 22h 1
2026-05-21 36 21–72 8.9 µg/m³ 24h 1
2026-05-20 54 17–119 15.9 µg/m³ 15h 1
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