Go straight to weather
weather.ws

Beijing, China

Qinghe · Air quality

Sunday, 1 Nov · Asia/Shanghai

Qinghe air quality

US air quality index

172

E no good for health

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. E no good for sensitive people101–150
  4. E no good for health151–200Current category
  5. E bad well well for health201–300
  6. 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 scale

All pollutants

PM1
12 µg/m³
PM2.5
21 µg/m³
PM10
36 µg/m³
Ozone
31.3 µg/m³
Nitrogen dioxide
29.3 µg/m³
Sulfur dioxide
4.3 µg/m³
Carbon monoxide
278.3 µg/m³
European AQI (separate scale)
6