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Air Quality Index (AQI) in Czechia 🇨🇿

Prague Air Quality Index

AQI INDEX
58
US EPA Standard

PM 2.5 Level
13
µg/m³

US EPA Index
2
Moderate

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 58. According to the US EPA health standard, this air quality rating is categorized as Moderate. The current atmosphere in Prague is influenced by a PM2.5 (fine particulate matter) concentration of 12.8 µg/m³ and PM10 levels recorded at 21.4 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 7.2 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

Pollution Monitor & AQI Forecast: Czechia Regions

* 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.

Browse Air Quality in Czechia by cities in alphabetical order:

B C D F H J K L M N O P R S T U V Z

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 58 — categorised as Moderate. 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, Prague has the highest AQI reading in Czechia at 58 (Moderate).

Which city in Czechia has the best air quality right now?

Chomutov currently has the lowest AQI in Czechia at 35 (Good).

What is the PM2.5 level in Prague today?

The PM2.5 (fine particulate) concentration in Prague, the capital of Czechia, is currently 12.8 µg/m³. The WHO 24-hour guideline is 15 µg/m³.

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 35 — Good
  • Karlovy Vary: AQI 36 — Good
  • Pilsen: AQI 37 — Good
  • Budweis: AQI 37 — Good
  • Pardubice: AQI 38 — Good
What are the most polluted cities in Czechia right now?

Top 5 cities in Czechia with the worst (highest) AQI right now:

  • Prague: AQI 58 — Moderate
  • Ústí nad Labem: AQI 52 — Moderate
  • Teplice: AQI 52 — Moderate
  • Zlín: AQI 51 — Moderate
  • Karviná: AQI 51 — 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