Home › United States › Stamford › History

Air Quality History for Stamford, United States

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

35
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

389h

PM2.5 Station

389h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 36 12–58 8.9 µg/m³ 22h 1
2026-07-20 18 8–33 4.4 µg/m³ 22h 1
2026-07-19 62 21–107 18.4 µg/m³ 24h 1
2026-07-18 140 29–184 66.9 µg/m³ 24h 1
2026-07-17 122 33–214 67.0 µg/m³ 24h 1
2026-07-16 128 73–263 62.7 µg/m³ 24h 1
2026-07-15 176 158–206 102.2 µg/m³ 9h 1
2026-07-12 33 20–53 7.9 µg/m³ 22h 1
2026-07-11 35 12–57 8.6 µg/m³ 24h 1
2026-07-10 36 12–74 9.3 µg/m³ 24h 1
2026-07-09 27 4–55 6.5 µg/m³ 24h 1
2026-07-08 18 3–45 4.4 µg/m³ 24h 1
2026-07-07 14 3–35 3.4 µg/m³ 24h 1
2026-07-06 27 3–65 6.9 µg/m³ 12h 1
2026-07-05 45 11–60 11.0 µg/m³ 24h 1
2026-07-04 27 12–53 6.6 µg/m³ 24h 1
2026-07-03 38 21–136 9.7 µg/m³ 24h 1
2026-07-02 32 9–58 7.7 µg/m³ 13h 1
2026-07-01 52 52–52 12.7 µg/m³ 1h 1
Back to Stamford Air Quality