Air Quality Lab — Nanaimo, Canada
Air Quality Profile·
Nanaimo reports an annual PM2.5 of 4.9 µg/m³. That's below the WHO 2021 annual guideline of 5 µg/m³ — cleaner than most cities on the continent.
Nanaimo
Canada
CanadaAnnual Average
ExcellentWHO annual classification
4.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
6.06.0 µg/m³ — Good
5.65.6 µg/m³ — Good
5.75.7 µg/m³ — Good
4.44.4 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
5.35.3 µg/m³ — Good
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
5.65.6 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
6.06.0 µg/m³ — Good
5.65.6 µg/m³ — Good
5.75.7 µg/m³ — Good
4.44.4 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
4.34.3 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
5.35.3 µg/m³ — Good
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
5.65.6 µg/m³ — Good
Best months: May–JulWorst months: Jan, Mar, Dec
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
Nanaimo: 4.9 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