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Gansu, Tiongkok

Hedong · Kualitas udara

Jumat, 6 Nov · Asia/Shanghai

Hedong air quality

US air quality index

55

Sedang

US EPA scale

  1. Baik0–50
  2. Sedang51–100Current category
  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
71 µg/m³
Ozon
63,3 µg/m³
Nitrogen dioksida
3 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
152,3 µg/m³
European AQI (separate scale)
2