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Maryland, Amerika Serikat

Northwest Community Action · Kualitas udara

Minggu, 8 Nov · America/New York

Northwest Community Action air quality

US air quality index

20

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
2 µg/m³
PM2.5
3,6 µg/m³
PM10
2 µg/m³
Ozon
20,3 µg/m³
Nitrogen dioksida
5,3 µg/m³
Sulfur dioksida
1,3 µg/m³
Karbon monoksida
158,7 µg/m³
European AQI (separate scale)
1