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Air Quality History for Cornwall, Canada

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

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

Air Quality Index Station

478h

PM2.5 Station

478h · 2 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 25 4–105 7.2 µg/m³ 1.3 10h 2
2026-05-29 30 10–97 8.3 µg/m³ 3.3 24h 3
2026-05-28 22 6–140 6.1 µg/m³ 1.5 24h 3
2026-05-27 22 10–63 5.5 µg/m³ 3.4 24h 3
2026-05-26 32 8–56 7.6 µg/m³ 7.1 24h 3
2026-05-25 37 4–142 11.2 µg/m³ 2.5 22h 2
2026-05-24 22 4–70 5.7 µg/m³ 3.6 24h 2
2026-05-23 35 12–77 9.4 µg/m³ 3.5 24h 3
2026-05-22 19 2–66 4.7 µg/m³ 1.5 24h 3
2026-05-21 32 3–152 9.1 µg/m³ 1.2 24h 3
2026-05-20 43 9–212 15.8 µg/m³ 6.6 24h 3
2026-05-19 51 26–129 13.9 µg/m³ 13.9 24h 3
2026-05-18 27 10–76 7.0 µg/m³ 4.2 24h 3
2026-05-17 43 12–105 11.6 µg/m³ 9.1 24h 2
2026-05-16 24 12–59 5.9 µg/m³ 4.3 24h 3
2026-05-15 35 17–68 8.7 µg/m³ 5.7 24h 3
2026-05-14 49 31–63 12.6 µg/m³ 15.7 24h 3
2026-05-13 28 13–57 6.9 µg/m³ 2.8 24h 3
2026-05-12 20 3–59 4.9 µg/m³ 1.1 24h 2
2026-05-11 32 5–111 8.6 µg/m³ 1.2 24h 3
2026-05-10 32 9–90 8.3 µg/m³ 2.2 14h 4
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