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Henan, Tiongkok

Diying · Kualitas udara

Jumat, 30 Okt · Asia/Shanghai

Diying air quality

US air quality index

92

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
15 µg/m³
PM2.5
23 µg/m³
PM10
29 µg/m³
Ozon
11 µg/m³
Nitrogen dioksida
30 µg/m³
Sulfur dioksida
5 µg/m³
Karbon monoksida
301 µg/m³
European AQI (separate scale)
4