Summary
Air quality in Ottawa is good, with an AQI of 28. The air poses little or no health risk.
Current Air Quality Index
28
Good
050100150200300500
Dominant Pollutant: PM2.5
Health Advice
Air quality is satisfactory and poses little or no health risk. Enjoy outdoor activities normally.
Pollutant Breakdown
Pollutant Concentration Unit
PM2.5 (dominant) 6.7 µg/m³
O₃ 0.0 ppb
Event Details
Coords: 45.4247, -75.6950
CA
Last update: 6 minutes ago
Updated: 44 minutes ago
Good
About the Air Quality Index

The AQI is a dimensionless index from 0 to 500, where lower values indicate better air quality. It is calculated from the six criteria pollutants.

Good (0–50)
Moderate (0–100)
Unhealthy for Sensitive Groups (0–150)
Unhealthy (0–200)
Very Unhealthy (0–300)
Hazardous (0–500)
Data via