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Air Quality History for Saint John, Canada

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

29
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

284h

PM2.5 Station

284h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 30 6–88 8.2 µg/m³ 9h 2
2026-05-29 63 16–500 75.3 µg/m³ 17h 2
2026-05-28 24 10–42 5.8 µg/m³ 9h 2
2026-05-27 74 21–258 33.0 µg/m³ 14h 2
2026-05-26 79 14–500 72.1 µg/m³ 14h 2
2026-05-25 49 8–184 19.1 µg/m³ 12h 2
2026-05-24 59 13–170 20.5 µg/m³ 15h 2
2026-05-23 56 2–100 18.1 µg/m³ 6h 2
2026-05-22 108 12–500 88.4 µg/m³ 13h 1
2026-05-21 85 29–179 32.4 µg/m³ 11h 2
2026-05-20 96 9–179 45.6 µg/m³ 6h 2
2026-05-19 64 32–100 20.2 µg/m³ 4h 2
2026-05-18 86 18–165 35.5 µg/m³ 4h 2
2026-05-17 58 16–154 19.7 µg/m³ 4h 2
2026-05-16 35 6–152 10.5 µg/m³ 21h 3
2026-05-15 50 14–142 14.9 µg/m³ 23h 5
2026-05-14 78 22–168 26.9 µg/m³ 20h 6
2026-05-13 57 17–154 17.7 µg/m³ 23h 4
2026-05-12 46 8–147 13.4 µg/m³ 22h 3
2026-05-11 47 14–95 13.1 µg/m³ 22h 8
2026-05-10 67 12–158 22.5 µg/m³ 15h 7
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