Ajax
Ideal air quality for outdoor Canadian activities and sports.
Ajax Live Precipitation Radar
Full Screen ViewAjax Live Doppler RadarMSC Dual-Pol
Ajax, ON • Lat: 43.85° N, Lon: 79.02° W • Sweep 10m
Ajax 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Ajax Air Quality & Wildfire Smoke Report
Detailed Canadian AQHI breakdown, fine particulate matter (PM2.5), ground-level ozone, and health guidance.
Frequently Asked Questions About Weather in Ajax, ON
What is the current temperature and conditions in Ajax?
As of today, the temperature in Ajax is 21.2°C with overcast. The apparent temperature (feels like) is 23.2°C with relative humidity at 76%.
How does Wind Chill and Humidex affect Ajax?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 24 (Comfortable).
What is the Air Quality Health Index (AQHI) for Ajax?
The current AQHI for Ajax is 3 (Low Risk). It is calculated based on ground-level ozone, fine particulate matter (PM2.5), and nitrogen dioxide levels according to Health Canada standards.
Where does the meteorological data for Ajax come from?
Forecasts are generated using high-resolution Canadian Deterministic Prediction System (HRDPS 2.5km) and Global Environmental Multiscale (GEM) models alongside official Environment and Climate Change Canada Doppler radar feeds.