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Māzandarān, Iran

Marzī Kolā · Air quality

Saturday, Nov 7 · Asia/Tehran

Marzī Kolā air quality

US air quality index

60

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
15 µg/m³
PM2.5
19 µg/m³
PM10
28 µg/m³
Ozone
27 µg/m³
Nitrogen dioxide
16 µg/m³
Sulfur dioxide
13 µg/m³
Carbon monoxide
228 µg/m³
European AQI (separate scale)
2