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North Carolina, Amerika Serikat

Pleasant Hill · Kualitas udara

Kamis, 5 Nov · America/New York

Pleasant Hill 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
2,7 µg/m³
PM10
2 µg/m³
Ozon
24,5 µg/m³
Nitrogen dioksida
3 µg/m³
Sulfur dioksida
0 µg/m³
Karbon monoksida
127 µg/m³
European AQI (separate scale)
1