Saint John – Fine Particulate Matter

Fine Particulate Matter

1 Hour – 3 Hours – 6 Hours – 12 Hours – 24 Hours – 4 Days – 7 Days – 14 Days – 30 Days – 60 Days – 90 Days – 365 Days

Data is for Saint John, sourced from GNB's public web site
The Canadian Ambient Air Quality Standards 2020 24-hour limit is 27 µg/m³ and the 2030 24-hour limit is 23 µg/m³, while the WHO 2021 24-hour limit is 15 µg/m³.

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Current Time: 2026-09-06 07:39:39 AT