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Isfahan, Iran

Bād Rūd · Air quality

Saturday, Oct 31 · Asia/Tehran

Bād Rūd air quality

US air quality index

45

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
8 µg/m³
PM2.5
14 µg/m³
PM10
35 µg/m³
Ozone
61 µg/m³
Nitrogen dioxide
11 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
209 µg/m³
European AQI (separate scale)
2