Pennsylvania, Estados Unidos
Bryn Athyn · Kalidad ng hangin
Miyerkules, Nob 11 · America/New York
Bryn Athyn air quality
US air quality index
54Katamtaman
US EPA scale
- Mabuti0–50
- Katamtaman51–100Current category
- Masama sa kalusugan ng mga sensitibong grupo101–150
- Masama sa kalusugan151–200
- 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
- 21 µg/m³
- PM2.5
- 17.2 µg/m³
- PM10
- 23 µg/m³
- Osono
- 4.5 µg/m³
- Nitroheno dioksido
- 33 µg/m³
- Asupre dioksido
- 3 µg/m³
- Karbon monoksido
- 369 µg/m³
- European AQI (separate scale)
- 2