SmogRank / Countries / Czechia / March 2024
Most polluted cities in Czechia, March 2024
1 city in Czechia ranked by their average PM2.5 over the 31 days. Worst: Náchod at 25.0 µg/m³, #67 of 1,432 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1NáchodHradec Králové Region 25.0
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+