Air Quality Lab — Riga, Latvia
Air Quality Profile
Riga reports an annual PM2.5 of 8.8 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Riga
Latvia
LatviaAnnual Average
GoodWHO annual classification
8.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.89.8 µg/m³ — Good
9.09.0 µg/m³ — Good
1212 µg/m³ — Fair
6.76.7 µg/m³ — Good
8.58.5 µg/m³ — Good
8.08.0 µg/m³ — Good
7.87.8 µg/m³ — Good
7.27.2 µg/m³ — Good
7.37.3 µg/m³ — Good
7.97.9 µg/m³ — Good
8.48.4 µg/m³ — Good
1212 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
9.89.8 µg/m³ — Good
9.09.0 µg/m³ — Good
1212 µg/m³ — Fair
6.76.7 µg/m³ — Good
8.58.5 µg/m³ — Good
8.08.0 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.87.8 µg/m³ — Good
7.27.2 µg/m³ — Good
7.37.3 µg/m³ — Good
7.97.9 µg/m³ — Good
8.48.4 µg/m³ — Good
1212 µg/m³ — Fair
Best months: Apr, Aug–SepWorst months: Jan, Mar, Dec
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Latvia
Riga: 8.8 µg/m³. Typical range in Latvia: 6.6–7.6 µg/m³. Low anchor: Dārzciems, 6.1 µg/m³. High anchor: Daugavpils, 8.8 µg/m³.
14 cities tracked