Air Quality Lab — Liberec, Czechia
Air Quality Profile·
Liberec reports an annual PM2.5 of 11.0 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Liberec
Czechia
CzechiaAnnual Average
FairWHO annual classification
11.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1111 µg/m³ — Fair
1414 µg/m³ — Fair
1212 µg/m³ — Fair
8.18.1 µg/m³ — Good
9.49.4 µg/m³ — Good
7.67.6 µg/m³ — Good
7.97.9 µg/m³ — Good
9.39.3 µg/m³ — Good
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1111 µg/m³ — Fair
1414 µg/m³ — Fair
1212 µg/m³ — Fair
8.18.1 µg/m³ — Good
9.49.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.67.6 µg/m³ — Good
7.97.9 µg/m³ — Good
9.39.3 µg/m³ — Good
1212 µg/m³ — Fair
1313 µg/m³ — Fair
1414 µg/m³ — Fair
Best months: May, Jul–AugWorst 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 Czechia
Liberec: 11.0 µg/m³. Typical range in Czechia: 10.9–13.2 µg/m³. Low anchor: Cheb, 8.3 µg/m³. High anchor: Karviná, 18.0 µg/m³.
90 cities tracked