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Air Quality History for Chelsea, United States

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

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

Air Quality Index Station

478h

PM2.5 Station

478h · 8 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 20 12–38 4.9 µg/m³ 19h 5
2026-05-28 26 16–39 6.3 µg/m³ 24h 8
2026-05-27 33 26–40 7.9 µg/m³ 24h 7
2026-05-26 31 19–49 7.5 µg/m³ 24h 6
2026-05-25 23 14–35 5.4 µg/m³ 24h 6
2026-05-24 31 16–172 9.8 µg/m³ 24h 5
2026-05-23 26 18–34 6.2 µg/m³ 24h 4
2026-05-22 24 12–32 5.9 µg/m³ 24h 7
2026-05-21 23 14–36 5.4 µg/m³ 24h 7
2026-05-20 51 35–77 13.6 µg/m³ 24h 7
2026-05-19 56 40–74 15.1 µg/m³ 24h 6
2026-05-18 41 28–54 9.9 µg/m³ 24h 6
2026-05-17 38 29–45 9.1 µg/m³ 24h 5
2026-05-16 25 15–42 6.0 µg/m³ 24h 5
2026-05-15 24 11–55 5.7 µg/m³ 24h 6
2026-05-14 26 12–53 6.2 µg/m³ 24h 5
2026-05-13 25 14–41 6.1 µg/m³ 24h 6
2026-05-12 22 10–40 5.3 µg/m³ 24h 6
2026-05-11 22 10–62 5.4 µg/m³ 24h 5
2026-05-10 29 21–58 7.0 µg/m³ 24h 6
2026-05-09 34 28–42 8.1 µg/m³ 3h 6
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