Skip to weather
weather.ws

Māzandarān, Iran

Ţūs Kolā · Air quality

Tuesday, Nov 10 · Asia/Tehran

Ţūs Kolā air quality

US air quality index

25

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
2 µg/m³
PM2.5
2 µg/m³
PM10
3 µg/m³
Ozone
56.3 µg/m³
Nitrogen dioxide
5 µg/m³
Sulfur dioxide
15 µg/m³
Carbon monoxide
124 µg/m³
European AQI (separate scale)
2