Component breakdown
Air Quality
PM2.5 as US AQI, annual means over the window
7.6
Good
Climate
Apparent temperature, 18-24°C optimal
6.8
Fair
Wind
Daily maximum gusts, calm is comfortable
7.9
Good
UV Safety
Hazardous UV peaks penalized, low UV is not
7.6
Good
Day-Night Swing
Daily max-min gap, mild swings score high
6.6
Fair
Seasons
Distinct but gentle seasons score highest
9.9
Optimal
Sunlight
Annual sunshine hours
8.7
Good
Rainfall
Volume and year-to-year reliability
7.9
Good
Disaster Risk
Recorded events, 3 yr / 50 km
9.8
Optimal
Goldilocks curve
Cold18-24°CHot
Rio de Janeiro sits just past the plateau on the warm side, mean feels-like 26.5°C.
Air quality source
Model, monitor-calibrated
No monitor reports live today, but this city's own monitor history was used to calibrate the CAMS model, correcting its local bias before scoring.
Coordinates-22.9068, -43.1729
Data window10y
Updated7/13/2026
Sources: Open-Meteo, Open-Meteo AQ (CAMS model, monitor-corrected), USGS Earthquakes, NOAA IBTrACS, Smithsonian GVP, GloFAS (Copernicus)