Longtan · 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

22 µg/m³

PM2.5

24 µg/m³

PM10

25 µg/m³

Osono

41.7 µg/m³

Nitroheno dioksido

8 µg/m³

Asupre dioksido

4.3 µg/m³

Karbon monoksido

458.7 µg/m³

European AQI (separate scale)

3