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Wallonia, Belgia

Ottignies · Kualitas udara

Senin, 26 Okt · Europe/Brussels

Ottignies air quality

US air quality index

31

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
3 µg/m³
PM2.5
10 µg/m³
PM10
14 µg/m³
Ozon
45 µg/m³
Nitrogen dioksida
4 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
140 µg/m³
European AQI (separate scale)
1