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England, United Kingdom

Pontefract · Kalidad ng hangin

Huwebes, Nob 5 · Europe/London

Pontefract air quality

US air quality index

30

Mabuti

US EPA scale

  1. Mabuti0–50Current category
  2. Katamtaman51–100
  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
4 µg/m³
PM2.5
9 µg/m³
PM10
14 µg/m³
Osono
46.3 µg/m³
Nitroheno dioksido
5.7 µg/m³
Asupre dioksido
1.7 µg/m³
Karbon monoksido
128.3 µg/m³
European AQI (separate scale)
1