Tianjin, China
Chengtougu · Air quality
Sunday, 15 Nov · Asia/Shanghai
Chengtougu air quality
US air quality index
190E no good for health
US EPA scale
- Good0–50
- Moderate51–100
- E no good for sensitive people101–150
- E no good for health151–200Current category
- E bad well well for health201–300
- Dangerous301–500+
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
- 115 µg/m³
- PM2.5
- 121 µg/m³
- PM10
- 123 µg/m³
- Ozone
- 0 µg/m³
- Nitrogen dioxide
- 51 µg/m³
- Sulfur dioxide
- 22 µg/m³
- Carbon monoxide
- 1,483 µg/m³
- European AQI (separate scale)
- 6