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British Columbia, Canada

Cariboo · Air quality

Thursday, Oct 22 · America/Vancouver

Cariboo air quality

US air quality index

103

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
29 µg/m³
PM2.5
22.8 µg/m³
PM10
32 µg/m³
Ozone
2.1 µg/m³
Nitrogen dioxide
55 µg/m³
Sulfur dioxide
10 µg/m³
Carbon monoxide
484 µg/m³
European AQI (separate scale)
4