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Air Quality History for National City, United States

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

43
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 34 26–46 8.2 µg/m³ 4.9 17h 9
2026-06-08 37 23–57 8.9 µg/m³ 4.4 24h 10
2026-06-07 38 30–49 9.1 µg/m³ 5.3 24h 10
2026-06-06 46 34–58 11.1 µg/m³ 8.9 24h 10
2026-06-05 49 35–85 12.6 µg/m³ 10.7 24h 10
2026-06-04 58 38–108 16.0 µg/m³ 14.3 24h 10
2026-06-03 44 33–58 10.8 µg/m³ 10.5 24h 10
2026-06-02 50 35–68 12.5 µg/m³ 6.3 24h 10
2026-06-01 48 29–59 11.7 µg/m³ 8.0 24h 10
2026-05-31 41 27–55 9.9 µg/m³ 4.3 24h 10
2026-05-30 27 15–45 6.6 µg/m³ 1.0 24h 10
2026-05-29 28 15–56 6.7 µg/m³ 2.8 24h 9
2026-05-28 29 14–72 7.2 µg/m³ — 24h 9
2026-05-27 36 20–150 9.5 µg/m³ 1.3 24h 8
2026-05-26 29 19–45 7.1 µg/m³ 1.0 7h 9
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