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Tamil Nadu, India

Pūvalūr · Kalidad ng hangin

Linggo, Nob 15 · Asia/Kolkata

Pūvalūr air quality

US air quality index

84

Katamtaman

US EPA scale

  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.

Understand the EPA scale

Lahat ng Polutante

PM1
30 µg/m³
PM2.5
35 µg/m³
PM10
37 µg/m³
Osono
85 µg/m³
Nitroheno dioksido
7 µg/m³
Asupre dioksido
10 µg/m³
Karbon monoksido
299 µg/m³
European AQI (separate scale)
4