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Golestan, Iran

Yolmeh Sālīān · Air quality

Sunday, Nov 15 · Asia/Tehran

Yolmeh Sālīān air quality

US air quality index

44

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
11 µg/m³
PM2.5
12 µg/m³
PM10
13 µg/m³
Ozone
46 µg/m³
Nitrogen dioxide
18 µg/m³
Sulfur dioxide
6 µg/m³
Carbon monoxide
285 µg/m³
European AQI (separate scale)
2