Air Quality Lab — Lethbridge, Canada
Air Quality Profile·
Lethbridge reports an annual PM2.5 of 5.9 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Lethbridge
Canada
CanadaAnnual Average
GoodWHO annual classification
5.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.55.5 µg/m³ — Good
5.05.0 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
6.06.0 µg/m³ — Good
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
6.56.5 µg/m³ — Good
5.15.1 µg/m³ — Good
5.75.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.55.5 µg/m³ — Good
5.05.0 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
6.06.0 µg/m³ — Good
8.68.6 µg/m³ — Good
1010 µg/m³ — Fair
6.56.5 µg/m³ — Good
5.15.1 µg/m³ — Good
5.75.7 µg/m³ — Good
Best months: Apr–JunWorst months: Aug–Oct
Excellent0–5 µg/m³Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Canada
Lethbridge: 5.9 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