Ontario, Canada
Fairfield · Air quality
Monday, 26 Oct · America/Toronto
Fairfield air quality
US air quality index
47Good
US EPA scale
- Good0–50Current category
- Moderate51–100
- E no good for sensitive people101–150
- E no good for health151–200
- E bad well well for health201–300
- Dangerous301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scaleAll pollutants
- PM1
- 21 µg/m³
- PM2.5
- 22.2 µg/m³
- PM10
- 22 µg/m³
- Ozone
- 29.3 µg/m³
- Nitrogen dioxide
- 7.7 µg/m³
- Sulfur dioxide
- 3.7 µg/m³
- Carbon monoxide
- 203 µg/m³
- European AQI (separate scale)
- 2