Component breakdown
Air Quality
PM2.5 as US AQI, annual means over the window
7.8
Good
Climate
Apparent temperature, 18-24°C optimal
9.2
Optimal
Wind
Daily maximum gusts, calm is comfortable
8.8
Good
UV Safety
Hazardous UV peaks penalized, low UV is not
8.1
Good
Day-Night Swing
Daily max-min gap, mild swings score high
9.8
Optimal
Seasons
Distinct but gentle seasons score highest
10.0
Optimal
Sunlight
Annual sunshine hours
9.0
Good
Rainfall
Volume and year-to-year reliability
6.5
Fair
Disaster Risk
Recorded events, 3 yr / 50 km
9.1
Optimal
Goldilocks curve
Cold18-24°CHot
San Diego sits just below the plateau on the cool side, mean feels-like 16.7°C.
Air quality source
Ground monitor
This city's air quality is measured by a real monitoring station: OpenAQ ground monitor (1.8km).
Coordinates32.7157, -117.1611
Data window10y
Updated7/13/2026
Sources: Open-Meteo, OpenAQ ground monitor (1.8km), USGS Earthquakes, NOAA IBTrACS, Smithsonian GVP, GloFAS (Copernicus)