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Qinghai, Tiongkok

Arou · Kualitas udara

Selasa, 3 Nov · Asia/Shanghai

Arou air quality

US air quality index

35

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
3 µg/m³
PM2.5
6 µg/m³
PM10
13 µg/m³
Ozon
70 µg/m³
Nitrogen dioksida
2 µg/m³
Sulfur dioksida
1,3 µg/m³
Karbon monoksida
135,7 µg/m³
European AQI (separate scale)
2