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New Aquitaine, Prancis

Niort · Kualitas udara

Selasa, 3 Nov · Europe/Paris

Niort air quality

US air quality index

38

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
9 µg/m³
PM2.5
10 µg/m³
PM10
10 µg/m³
Ozon
31,7 µg/m³
Nitrogen dioksida
3,3 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
156,3 µg/m³
European AQI (separate scale)
1