Air Quality Lab — Cēsis, Latvia
Air Quality Profile·
Cēsis reports an annual PM2.5 of 6.6 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Cēsis
Latvia
LatviaAnnual Average
GoodWHO annual classification
6.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
6.16.1 µg/m³ — Good
7.37.3 µg/m³ — Good
9.19.1 µg/m³ — Good
5.25.2 µg/m³ — Good
6.06.0 µg/m³ — Good
6.96.9 µg/m³ — Good
4.84.8 µg/m³ — Excellent
6.16.1 µg/m³ — Good
6.76.7 µg/m³ — Good
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
9.29.2 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
6.16.1 µg/m³ — Good
7.37.3 µg/m³ — Good
9.19.1 µg/m³ — Good
5.25.2 µg/m³ — Good
6.06.0 µg/m³ — Good
6.96.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.84.8 µg/m³ — Excellent
6.16.1 µg/m³ — Good
6.76.7 µg/m³ — Good
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
9.29.2 µg/m³ — Good
Best months: Apr, Jul, OctWorst months: Feb–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 Latvia
Cēsis: 6.6 µg/m³. Typical range in Latvia: 6.6–7.6 µg/m³. Low anchor: Dārzciems, 6.1 µg/m³. High anchor: Riga, 8.8 µg/m³.
14 cities tracked