West Bengal, India
Kolkata · Kalidad ng hangin
Miyerkules, Nob 4 · Asia/Kolkata
Kolkata air quality
US air quality index
166Masama sa kalusugan
US EPA scale
- Mabuti0–50
- Katamtaman51–100
- Masama sa kalusugan ng mga sensitibong grupo101–150
- Masama sa kalusugan151–200Current category
- Lubhang masama sa kalusugan201–300
- Mapanganib301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scaleLahat ng Polutante
- PM1
- 68 µg/m³
- PM2.5
- 74 µg/m³
- PM10
- 77 µg/m³
- Osono
- 163.3 µg/m³
- Nitroheno dioksido
- 4 µg/m³
- Asupre dioksido
- 25 µg/m³
- Karbon monoksido
- 390.3 µg/m³
- European AQI (separate scale)
- 6