Component breakdown
Air Quality
PM2.5 as US AQI, annual means over the window
8.7
Good
Climate
Apparent temperature, 18-24°C optimal
4.1
Poor
Wind
Daily maximum gusts, calm is comfortable
7.4
Good
UV Safety
Hazardous UV peaks penalized, low UV is not
9.9
Optimal
Day-Night Swing
Daily max-min gap, mild swings score high
10.0
Optimal
Seasons
Distinct but gentle seasons score highest
5.3
Fair
Sunlight
Annual sunshine hours
4.6
Poor
Rainfall
Volume and year-to-year reliability
7.5
Good
Disaster Risk
Recorded events, 3 yr / 50 km
9.5
Optimal
Goldilocks curve
Cold18-24°CHot
Helsinki sits on the cold slope: mean feels-like 3.1°C.
Air quality source
Ground monitor
This city's air quality is measured by a real monitoring station: OpenAQ ground monitor (0.8km).
Coordinates60.1638, 24.9325
Data window10y
Updated7/13/2026
Sources: Open-Meteo, OpenAQ ground monitor (0.8km), USGS Earthquakes, NOAA IBTrACS, Smithsonian GVP, GloFAS (Copernicus)