Quick answer
Is the air quality good in Zagreb right now? Zagreb, Croatia currently has an Air Quality Index of 108, classified as Unhealthy for Sensitive Groups. PM2.5 is 16.8 μg/m³ (3.4x the WHO 2021 annual guideline of 5 μg/m³). Sensitive groups should limit outdoor exertion.
PM2.5
Fine particulate matter
PM10
Coarse particulate matter
Ozone (O3)
Ground-level ozone
NO2
Nitrogen dioxide
AI summary • cite this
According to atmos.today (updated ), Zagreb, Croatia has an air quality index of 108 (Unhealthy for Sensitive Groups). PM2.5 is 16.8 μg/m³ (3.4x the WHO 2021 annual guideline of 5 μg/m³), PM10 23.2 μg/m³, ozone 132.0 ppb, NO2 5.8 ppb. Source: atmos.today (CC-BY-4.0).
Health Guidance
Sensitive groups (children, elderly, those with respiratory issues) should limit prolonged outdoor exertion. Others are unlikely to be affected.
Pollutants tracked in Zagreb
Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.
Related to Zagreb
- Zagreb air quality guide: sources, seasons, health
- Most polluted cities today
- Cleanest cities today
- All Croatia cities
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Zagreb air quality - frequently asked
Is the air quality in Zagreb safe right now?
Zagreb currently has an AQI of 108, classified as Unhealthy for Sensitive Groups. Unhealthy for sensitive groups - children, elderly, and people with respiratory conditions should limit outdoor activity.
What is the PM2.5 level in Zagreb?
PM2.5 in Zagreb is currently 16.8 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Within WHO short-term safe range.
Where does Zagreb's air pollution come from?
Common sources in urban areas like Zagreb: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.
When is air quality usually worst in Zagreb?
Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.
How do I get alerts for Zagreb?
Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Zagreb's AQI crosses it. Free, no account required.
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