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Hunan, Tiongkok

Nanmuping · Kualitas udara

Minggu, 8 Nov · Asia/Shanghai

Nanmuping air quality

US air quality index

28

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
20 µg/m³
PM2.5
22 µg/m³
PM10
24 µg/m³
Ozon
55 µg/m³
Nitrogen dioksida
5 µg/m³
Sulfur dioksida
3 µg/m³
Karbon monoksida
410 µg/m³
European AQI (separate scale)
2