Chongqing, China
Shuangfengqiao · Air quality
Monday, Nov 16 · Asia/Shanghai
Shuangfengqiao air quality
US air quality index
160Unhealthy
US EPA scale
- Good0–50
- Moderate51–100
- Unhealthy for sensitive groups101–150
- Unhealthy151–200Current category
- 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
- 80 µg/m³
- PM2.5
- 84 µg/m³
- PM10
- 86 µg/m³
- Ozone
- 0 µg/m³
- Nitrogen dioxide
- 48 µg/m³
- Sulfur dioxide
- 23 µg/m³
- Carbon monoxide
- 1,144 µg/m³
- European AQI (separate scale)
- 5