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Siem Reap, Cambodia

Damnak Khchas · Air quality

Friday, Oct 30 · Asia/Phnom Penh

Damnak Khchas air quality

US air quality index

32

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  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
4 µg/m³
PM2.5
4 µg/m³
PM10
5 µg/m³
Ozone
38 µg/m³
Nitrogen dioxide
2 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
245 µg/m³
European AQI (separate scale)
1