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South Dakota, Amerika Serikat

Belle Fourche · Kualitas udara

Rabu, 4 Nov · America/Denver

Belle Fourche air quality

US air quality index

19

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
1 µg/m³
PM2.5
3,6 µg/m³
PM10
1 µg/m³
Ozon
35,6 µg/m³
Nitrogen dioksida
2 µg/m³
Sulfur dioksida
0 µg/m³
Karbon monoksida
155 µg/m³
European AQI (separate scale)
1