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Ida-Virumaa, Estonia

Olgina · Kalidad ng hangin

Martes, Nob 10 · Europe/Tallinn

Olgina air quality

US air quality index

27

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
3 µg/m³
PM2.5
6 µg/m³
PM10
8 µg/m³
Osono
56.7 µg/m³
Nitroheno dioksido
1 µg/m³
Asupre dioksido
0.7 µg/m³
Karbon monoksido
134.7 µg/m³
European AQI (separate scale)
2