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West Virginia, Amerika Serikat

Pleasant Valley · Kualitas udara

Rabu, 4 Nov · America/New York

Pleasant Valley air quality

US air quality index

17

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
2,9 µg/m³
PM10
9 µg/m³
Ozon
31,2 µg/m³
Nitrogen dioksida
3 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
131 µg/m³
European AQI (separate scale)
1