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Pennsylvania, Estados Unidos

Philadelphia · Kalidad ng hangin

Sabado, Nob 7 · America/New York

Philadelphia air quality

US air quality index

52

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
6 µg/m³
PM2.5
5.6 µg/m³
PM10
6 µg/m³
Osono
32.7 µg/m³
Nitroheno dioksido
11 µg/m³
Asupre dioksido
2 µg/m³
Karbon monoksido
185 µg/m³
European AQI (separate scale)
2