Rank 18 · Spain

Barcelona

Spain · metro
8.2
HECI score
B
Class B
Seasonal Sweet Spot

Component breakdown

Air Quality
PM2.5 as US AQI, annual means over the window
7.8
Good
Climate
Apparent temperature, 18-24°C optimal
7.5
Good
Wind
Daily maximum gusts, calm is comfortable
8.6
Good
UV Safety
Hazardous UV peaks penalized, low UV is not
8.9
Good
Day-Night Swing
Daily max-min gap, mild swings score high
8.9
Good
Seasons
Distinct but gentle seasons score highest
8.2
Good
Sunlight
Annual sunshine hours
7.7
Good
Rainfall
Volume and year-to-year reliability
8.3
Good
Disaster Risk
Recorded events, 3 yr / 50 km
9.7
Optimal

Goldilocks curve

Cold18-24°CHot

Barcelona sits just below the plateau on the cool side, mean feels-like 16.3°C.

Air quality source

Ground monitor

This city's air quality is measured by a real monitoring station: OpenAQ ground monitor (1.3km).

Coordinates41.3874, 2.1686
Data window10y
Updated7/13/2026
Sources: Open-Meteo, OpenAQ ground monitor (1.3km), USGS Earthquakes, NOAA IBTrACS, Smithsonian GVP, GloFAS (Copernicus)