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Heilongjiang, Tiongkok

Changqing · Kualitas udara

Senin, 2 Nov · Asia/Shanghai

Changqing air quality

US air quality index

82

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
23 µg/m³
PM2.5
28 µg/m³
PM10
33 µg/m³
Ozon
33 µg/m³
Nitrogen dioksida
15 µg/m³
Sulfur dioksida
4 µg/m³
Karbon monoksida
300 µg/m³
European AQI (separate scale)
4