Skip to weather
weather.ws

Tehran, Iran

Damāvand · Air quality

Tuesday, Oct 27 · Asia/Tehran

Damāvand air quality

US air quality index

66

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
26 µg/m³
PM2.5
30 µg/m³
PM10
34 µg/m³
Ozone
50 µg/m³
Nitrogen dioxide
22.7 µg/m³
Sulfur dioxide
16.3 µg/m³
Carbon monoxide
302.7 µg/m³
European AQI (separate scale)
2