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Air Quality History for Bolton, Canada

Historical PM2.5 and AQI trend from monitoring stations near Bolton, Canada.

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

Air Quality Index Station

480h

PM2.5 Station

480h · 11 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 39 20–81 10.4 µg/m³ 1.9 9h 9
2026-05-29 48 10–117 13.8 µg/m³ 12.1 24h 11
2026-05-28 32 16–88 8.1 µg/m³ 1.6 24h 11
2026-05-27 55 18–159 16.6 µg/m³ 6.1 24h 10
2026-05-26 40 23–80 10.3 µg/m³ 6.0 24h 10
2026-05-25 64 27–157 19.7 µg/m³ 11.2 24h 11
2026-05-24 37 15–74 9.6 µg/m³ 7.1 24h 11
2026-05-23 58 17–160 17.3 µg/m³ 2.7 24h 12
2026-05-22 36 13–78 9.5 µg/m³ 5.0 24h 9
2026-05-21 68 24–163 21.5 µg/m³ 1.6 24h 12
2026-05-20 71 12–185 26.0 µg/m³ 7.2 24h 10
2026-05-19 45 20–126 12.3 µg/m³ 8.5 24h 10
2026-05-18 58 28–105 16.4 µg/m³ 29.4 24h 9
2026-05-17 61 26–104 17.5 µg/m³ 27.7 24h 5
2026-05-16 44 22–98 12.0 µg/m³ 9.3 24h 11
2026-05-15 47 18–115 12.7 µg/m³ 1.8 24h 14
2026-05-14 61 23–179 20.6 µg/m³ 1.8 24h 13
2026-05-13 46 23–68 11.6 µg/m³ 11.3 24h 14
2026-05-12 44 18–148 12.1 µg/m³ 2.4 24h 12
2026-05-11 50 18–109 14.4 µg/m³ 7.6 24h 14
2026-05-10 46 6–89 13.2 µg/m³ 1.3 15h 14
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