Air Quality Index (AQI) in Czechia 🇨🇿
Live Air Quality Index (AQI) and PM2.5 Levels in Czechia
Currently, the Air Quality Index (AQI) in Prague, the capital of Czechia, is measured at a score of 32. According to the US EPA health standard, this air quality rating is categorized as Good. The current atmosphere in Prague is influenced by a PM2.5 (fine particulate matter) concentration of 5.8 µg/m³ and PM10 levels recorded at 6.9 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 18.2 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Czechia based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Brno, Ostrava, Pilsen, Liberec and Olomouc. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
Czechia Air Quality: Major Cities Index
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Pollution Monitor & AQI Forecast: Czechia Regions
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* Air Quality Index (AQI) data for Czechia is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Frequently Asked Questions about Air Quality in Czechia
What is the air quality in Czechia right now?
The current AQI in Prague (capital of Czechia) is 32 — categorised as Good. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in Czechia has the worst air quality right now?
Right now, Olomouc has the highest AQI reading in Czechia at 72 (Moderate).
Which city in Czechia has the best air quality right now?
Chomutov currently has the lowest AQI in Czechia at 30 (Good).
What is the PM2.5 level in Prague today?
Is the air in Czechia safe to breathe today?
Most cities in Czechia currently report acceptable air-quality levels, though local conditions vary.
What are the cleanest cities in Czechia right now?
Top 5 cities in Czechia with the best (lowest) AQI right now:
- Chomutov: AQI 30 — Good
- Prague: AQI 32 — Good
- České Budějovice: AQI 34 — Good
- Kladno: AQI 34 — Good
- Karlovy Vary: AQI 36 — Good
What are the most polluted cities in Czechia right now?
Top 5 cities in Czechia with the worst (highest) AQI right now:
- Olomouc: AQI 72 — Moderate
- Prostějov: AQI 70 — Moderate
- Přerov: AQI 70 — Moderate
- Hradec Králové: AQI 66 — Moderate
- Ostrava: AQI 63 — Moderate
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide