Summary
Air quality in Zagreb is very unhealthy (AQI 253), driven by O₃. Everyone should avoid all outdoor exertion.
Current Air Quality Index
253
Very Unhealthy
050100150200300500
Dominant Pollutant: O₃
Health Advice
Health alert: everyone may experience more serious health effects. Avoid all outdoor physical activity.
Pollutant Breakdown
Pollutant Concentration Unit
PM10 18.7 µg/m³
NO₂ 7.6 ppb
O₃ (dominant) 155.0 ppb
Event Details
Coords: 45.8167, 15.9833
HR
Last update: 2 months ago
Updated: 2 months ago
Very Unhealthy
About the Air Quality Index

The AQI is a dimensionless index from 0 to 500, where lower values indicate better air quality. It is calculated from the six criteria pollutants.

Good (0–50)
Moderate (0–100)
Unhealthy for Sensitive Groups (0–150)
Unhealthy (0–200)
Very Unhealthy (0–300)
Hazardous (0–500)
Data via