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Djelfa, Aljazair

Messaad · Kualitas udara

Jumat, 6 Nov · Africa/Algiers

Messaad air quality

US air quality index

25

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
4 µg/m³
PM2.5
6 µg/m³
PM10
18 µg/m³
Ozon
20 µg/m³
Nitrogen dioksida
5,7 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
118,7 µg/m³
European AQI (separate scale)
2