Changning · Kalidad ng hangin

1. Mabuti0–50
2. Katamtaman51–100Current category
3. Masama sa kalusugan ng mga sensitibong grupo101–150
4. Masama sa kalusugan151–200
5. Lubhang masama sa kalusugan201–300
6. Mapanganib301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Lahat ng Polutante

PM1

19 µg/m³

PM2.5

24 µg/m³

PM10

30 µg/m³

Osono

44 µg/m³

Nitroheno dioksido

10 µg/m³

Asupre dioksido

3 µg/m³

Karbon monoksido

220 µg/m³

European AQI (separate scale)

3