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Rio Grande do Norte, Brazil

Paraná · Kalidad ng hangin

Sabado, Nob 7 · America/Fortaleza

Paraná air quality

US air quality index

25

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
2 µg/m³
PM2.5
7 µg/m³
PM10
10 µg/m³
Osono
36.3 µg/m³
Nitroheno dioksido
1.3 µg/m³
Asupre dioksido
0 µg/m³
Karbon monoksido
120.7 µg/m³
European AQI (separate scale)
1