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Air Quality History for Ajax, Canada

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

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 33 27–39 7.8 µg/m³ 5h 4
2026-05-29 50 16–124 13.8 µg/m³ 24h 6
2026-05-28 46 12–201 16.7 µg/m³ 24h 6
2026-05-27 58 17–151 17.4 µg/m³ 24h 6
2026-05-26 53 16–152 15.5 µg/m³ 24h 6
2026-05-25 64 26–205 22.4 µg/m³ 24h 7
2026-05-24 52 5–151 15.1 µg/m³ 24h 6
2026-05-23 68 20–182 22.9 µg/m³ 24h 7
2026-05-22 47 15–101 13.4 µg/m³ 24h 7
2026-05-21 77 5–199 28.0 µg/m³ 24h 8
2026-05-20 67 14–253 26.1 µg/m³ 24h 7
2026-05-19 50 17–157 14.6 µg/m³ 24h 6
2026-05-18 58 18–162 18.6 µg/m³ 24h 6
2026-05-17 50 17–147 13.9 µg/m³ 24h 3
2026-05-16 45 12–161 13.2 µg/m³ 19h 7
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