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Alabama, Amerika Serikat

Reform · Kualitas udara

Minggu, 25 Okt · America/Chicago

Reform air quality

US air quality index

39

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
5 µg/m³
PM2.5
16 µg/m³
PM10
6 µg/m³
Ozon
39,6 µg/m³
Nitrogen dioksida
3,3 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
176 µg/m³
European AQI (separate scale)
1