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Rio Grande do Sul, Brazil

Porto Alegre · Kalidad ng hangin

Huwebes, Nob 12 · America/Sao Paulo

Porto Alegre air quality

US air quality index

45

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
8 µg/m³
PM2.5
12 µg/m³
PM10
14 µg/m³
Osono
33 µg/m³
Nitroheno dioksido
15 µg/m³
Asupre dioksido
2 µg/m³
Karbon monoksido
165 µg/m³
European AQI (separate scale)
2