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Paraíba, Brasil

Curral Velho · Kualitas udara

Kamis, 12 Nov · America/Fortaleza

Curral Velho air quality

US air quality index

28

Baik

US EPA scale

  1. Baik0–50Current category
  2. Sedang51–100
  3. Tidak sehat bagi kelompok sensitif101–150
  4. Tidak sehat151–200
  5. Sangat tidak sehat201–300
  6. Berbahaya301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Semua polutan

PM1
4 µg/m³
PM2.5
9 µg/m³
PM10
12 µg/m³
Ozon
31 µg/m³
Nitrogen dioksida
2 µg/m³
Sulfur dioksida
0 µg/m³
Karbon monoksida
127,7 µg/m³
European AQI (separate scale)
1