Air Quality Lab — Miramichi, Canada
Air Quality Profile·
Miramichi reports an annual PM2.5 of 4.1 µg/m³. That's below the WHO 2021 annual guideline of 5 µg/m³ — cleaner than most cities on the continent.
Miramichi
Canada
CanadaAnnual Average
ExcellentWHO annual classification
4.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3.93.9 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
5.25.2 µg/m³ — Good
5.15.1 µg/m³ — Good
3.63.6 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
3.93.9 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
5.25.2 µg/m³ — Good
5.15.1 µg/m³ — Good
3.63.6 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
Best months: Mar, May, SepWorst months: Jul–Aug, Oct
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Canada
Miramichi: 4.1 µg/m³. Typical range in Canada: 5.3–6.6 µg/m³. Low anchor: Glace Bay, 3.8 µg/m³. High anchor: Toronto, 7.6 µg/m³.
194 cities tracked