Tehran, Iran
Vaḩīdīyeh · Air quality
Friday, Oct 30 · Asia/Tehran
Vaḩīdīyeh air quality
US air quality index
92Moderate
US EPA scale
- Good0–50
- Moderate51–100Current category
- Unhealthy for sensitive groups101–150
- Unhealthy151–200
- Very unhealthy201–300
- 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 scaleAll pollutants
- PM1
- 30 µg/m³
- PM2.5
- 33 µg/m³
- PM10
- 44 µg/m³
- Ozone
- 24.7 µg/m³
- Nitrogen dioxide
- 83 µg/m³
- Sulfur dioxide
- 37.3 µg/m³
- Carbon monoxide
- 1,075.3 µg/m³
- European AQI (separate scale)
- 4