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Air Quality in Canada

Archived observations and advisories, with dates and reporting sources.

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Type your town. Its page says what was recorded around it in the last 24 hours, 7 days and 30 days, and can tell you by e-mail the next time.

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Archived records (30d)38

Archived records (90d)74

Cumulative urban PEI, all records7.9M

Recent events

Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 154)

2026-10-049d agoSource: waqi Air QualityMediumCS:55 · v5

Unhealthy Air Quality (AQI 171)

Edmonton2026-10-049d agoSource: waqiUrban PEI 625.4K Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 153)

2026-10-039d agoSource: waqi Air QualityMediumCS:55 · v5

Unhealthy Air Quality (AQI 172)

Edmonton2026-10-0310d agoSource: waqiUrban PEI 625.4K Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 164)

2026-10-0310d agoSource: waqi Air QualityHighCS:48 · v5

Very Unhealthy Air Quality (AQI 212)

Rouyn-Noranda2026-10-0210d agoSource: waqiUrban PEI 15.6K Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 156)

2026-10-0211d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 166)

Stonebridge2026-10-0211d agoSource: waqi Air QualityCriticalCS:43 · v5

Hazardous Air Quality (AQI 320)

2026-10-0111d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 183)

2026-10-0112d agoSource: waqi Air QualityMediumCS:37 · v5

Unhealthy Air Quality (AQI 159)

Jonquière2026-09-3012d agoSource: waqiUrban PEI 2.2K Air QualityMediumCS:50 · v5

Unhealthy Air Quality (AQI 165)

Newtonbrook East2026-09-3013d agoSource: waqiUrban PEI 111.2K Air QualityCriticalCS:43 · v5

Hazardous Air Quality (AQI 400)

Nanaimo2026-09-2913d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 198)

Stonebridge2026-09-2914d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 166)

Stonebridge2026-09-2815d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 152)

2026-09-2815d agoSource: waqi Air QualityMediumCS:41 · v5

Unhealthy Air Quality (AQI 161)

Barrie2026-09-2716d agoSource: waqiUrban PEI 29.6K Air QualityMediumCS:50 · v5

Unhealthy Air Quality (AQI 155)

Regina2026-09-2716d agoSource: waqiUrban PEI 140.3K Air QualityMediumCS:50 · v5

Unhealthy Air Quality (AQI 162)

Québec2026-09-2616d agoSource: waqiUrban PEI 223.4K Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 164)

Stonebridge2026-09-2616d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 155)

2026-09-2617d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 159)

2026-09-2517d agoSource: waqi Air QualityCriticalCS:67 · v5

Hazardous Air Quality (AQI 500)

Kensington-Cedar Cottage2026-09-2517d agoSource: waqiUrban PEI 297.2K Air QualityMediumCS:50 · v5

Unhealthy Air Quality (AQI 153)

Mercier–Hochelaga-Maisonneuve2026-09-2518d agoSource: waqiUrban PEI 108.7K Air QualityMediumCS:50 · v5

Unhealthy Air Quality (AQI 157)

Regina2026-09-2518d agoSource: waqiUrban PEI 140.3K Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 154)

Colwood2026-09-2418d agoSource: waqi Air QualityHighCS:36 · v5

Very Unhealthy Air Quality (AQI 290)

2026-09-2319d agoSource: waqi Air QualityMediumCS:20 · v5

Unhealthy Air Quality (AQI 150)

2026-09-2319d agoSource: waqi Air QualityMediumCS:29 · v5

Unhealthy Air Quality (AQI 163)

2026-09-2320d agoSource: waqi Air QualityMediumCS:50 · v5

Unhealthy Air Quality (AQI 164)

Québec2026-09-2122d agoSource: waqiUrban PEI 223.4K

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