Helsinki
Summary
Air quality in Helsinki is moderate (AQI 99), driven by O₃. Unusually sensitive individuals should consider limiting prolonged outdoor exertion.
Current Air Quality Index
99
Moderate
050100150200300500
Dominant Pollutant:
O₃
Health Advice
Air quality is acceptable. However, unusually sensitive individuals may experience mild irritation and should consider limiting prolonged outdoor exertion.
Pollutant Breakdown
| Pollutant | Concentration | Unit |
|---|---|---|
| PM2.5 | 2.7 | µg/m³ |
| PM10 | 7.0 | µg/m³ |
| NO₂ | 3.8 | ppb |
| O₃ (dominant) | 69.8 | ppb |
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Event Details
Coords: 60.1708,
24.9375
FI
Last update:
6 minutes ago
Updated:
1 hour ago
Moderate
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)