Ottawa AQI Today
Canada · Thursday, March 12, 2026
Real-time Air Quality Index (AQI)
Ottawa Weather & Air Quality Overview
Ottawa is a city in Canada, located in the Northern Hemisphere at coordinates 45.42°N, 75.70°W. With a population of approximately 1.4 million, it is one of the notable urban centers in Americas. Ottawa experiences a temperate climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for Ottawa, Canada.
Right now in Ottawa, the temperature is -4°C (feels like -11°C) with overcast. Humidity is at 74%. Winds are blowing at 27 km/h. Today's high is expected to reach 1°C and the low will be around -6°C.
The current Air Quality Index (AQI) in Ottawa is 28, rated as Good. The dominant pollutant is O3.
Air Quality in Ottawa Today
Ottawa AQI (air quality index) is updated in real time. Current conditions, health guidance, and pollutant levels for Ottawa, Canada are shown above. Compare Ottawa air quality with other cities on our AQI rankings or global map.
- Today's high in Ottawa: 1°C
- Humidity in Ottawa: 74%
- Current AQI in Ottawa: 28 (Good)
- Wind in Ottawa: 27 km/h
Weather in Ottawa and the Ottawa forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.
Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.