Rank 67 · Canada

Toronto

Canada · metro
6.8
HECI score
D
Class D
Marginal

Component breakdown

Air Quality
PM2.5 as US AQI, annual means over the window
9.3
Optimal
Climate
Apparent temperature, 18-24°C optimal
4.9
Poor
Wind
Daily maximum gusts, calm is comfortable
7.7
Good
UV Safety
Hazardous UV peaks penalized, low UV is not
9.4
Optimal
Day-Night Swing
Daily max-min gap, mild swings score high
9.7
Optimal
Seasons
Distinct but gentle seasons score highest
3.4
Poor
Sunlight
Annual sunshine hours
6.7
Fair
Rainfall
Volume and year-to-year reliability
8.1
Good
Disaster Risk
Recorded events, 3 yr / 50 km
9.6
Optimal

Goldilocks curve

Cold18-24°CHot

Toronto sits on the cold slope: mean feels-like 6.7°C.

Air quality source

Ground monitor

This city's air quality is measured by a real monitoring station: OpenAQ ground monitor (1.6km).

Coordinates43.6646, -79.3895
Data window10y
Updated7/13/2026
Sources: Open-Meteo, OpenAQ ground monitor (1.6km), USGS Earthquakes, NOAA IBTrACS, Smithsonian GVP, GloFAS (Copernicus)