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North Rhine-Westphalia, Germany

Altena · Kalidad ng hangin

Linggo, Nob 8 · Europe/Berlin

Altena air quality

US air quality index

78

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
28 µg/m³
PM2.5
30 µg/m³
PM10
30 µg/m³
Osono
22.3 µg/m³
Nitroheno dioksido
18.7 µg/m³
Asupre dioksido
2 µg/m³
Karbon monoksido
262 µg/m³
European AQI (separate scale)
3