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Air Quality History for Watertown, United States

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

12
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

281h

PM2.5 Station

281h · 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 68 21–132 21.7 µg/m³ 4h 1
2026-06-08 63 5–198 26.3 µg/m³ 13h 1
2026-06-07 62 6–192 23.8 µg/m³ 16h 1
2026-06-06 50 13–100 13.6 µg/m³ 12h 1
2026-06-05 46 10–151 13.7 µg/m³ 16h 1
2026-06-04 90 5–289 44.8 µg/m³ 12h 1
2026-06-03 44 11–125 13.2 µg/m³ 13h 1
2026-06-02 52 1–149 15.7 µg/m³ 16h 1
2026-06-01 36 3–119 10.5 µg/m³ 13h 1
2026-05-31 32 8–153 9.8 µg/m³ 14h 1
2026-05-30 64 8–167 21.6 µg/m³ 13h 1
2026-05-29 69 25–151 21.1 µg/m³ 13h 1
2026-05-28 72 21–178 27.6 µg/m³ 10h 2
2026-05-27 68 23–153 22.0 µg/m³ 15h 1
2026-05-26 130 37–488 77.9 µg/m³ 13h 1
2026-05-25 65 12–175 22.9 µg/m³ 15h 1
2026-05-24 89 5–192 35.1 µg/m³ 18h 1
2026-05-23 81 14–179 31.7 µg/m³ 13h 1
2026-05-22 53 12–155 16.2 µg/m³ 16h 1
2026-05-21 57 8–168 20.3 µg/m³ 17h 1
2026-05-20 28 6–112 8.2 µg/m³ 9h 1
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