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Isfahan, Iran

Zibashahr · Air quality

Saturday, Nov 7 · Asia/Tehran

Zibashahr air quality

US air quality index

87

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
21 µg/m³
PM2.5
37 µg/m³
PM10
113 µg/m³
Ozone
25.7 µg/m³
Nitrogen dioxide
36 µg/m³
Sulfur dioxide
15.7 µg/m³
Carbon monoxide
734.3 µg/m³
European AQI (separate scale)
4