Czech Republic

Prague

Name: Prague
Address: Czech Republic

112

Unhealthy for Sensitive Groups

Air Quality Index

Updated Mar 21, 02:01 AM · Data from OpenAQ

Current Pollution Levels in Prague

PM2.5

Sensitive

µg/m³

PM10

Moderate

58.7

µg/m³

O₃

N/A

—

ppm

Prague Air Quality 24-Hour Trend

Air Quality Analysis for Prague

Prague, Czech Republic air quality this morning is rated Unhealthy for Sensitive Groups with an Air Quality Index (AQI) of 112. The primary pollutant PM2.5 is measured at 40 µg/m³. PM10 (coarse particles) is at 58.7 µg/m³.

The current PM2.5 level exceeds the WHO annual guideline of 15 µg/m³ but remains within the 24-hour limit of 45 µg/m³. Long-term exposure at this level may still affect sensitive individuals.

PM2.5 levels are stable, staying close to the recent average of 40.0 µg/m³.

Health Recommendation

Sensitive groups in Prague — including children, elderly, and those with asthma or heart disease — should limit prolonged outdoor activity. Consider wearing an N95 mask if spending extended time outdoors.

Outdoor Exercise

Reduce intensity

Window Ventilation

Keep windows closed

Recent Prague Air Quality Measurements

Time	AQI	PM2.5	PM10
02:01 AM	112	40	58.7
01:01 AM	112	40	58.7

Frequently Asked Questions

Is air quality in Prague safe today?

Prague air quality is unhealthy for sensitive groups today (AQI 112). Children, elderly, and people with respiratory conditions should limit prolonged outdoor exposure.

What AQI level is considered unhealthy?

According to EPA standards, AQI 0-50 is Good, 51-100 is Moderate, 101-150 is Unhealthy for Sensitive Groups, 151-200 is Unhealthy, 201-300 is Very Unhealthy, and above 300 is Hazardous. The WHO recommends annual PM2.5 levels below 15 µg/m³ for optimal health.

Should I wear a mask today in Prague?

With Prague's AQI at 112, wearing an N95 mask is recommended for outdoor activities, especially for sensitive groups. PM2.5 levels are at 40 µg/m³, which exceeds the EPA moderate threshold.