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Hauts-de-France, Prancis

Houtkerque · Kualitas udara

Jumat, 6 Nov · Europe/Paris

Houtkerque air quality

US air quality index

56

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
21 µg/m³
PM2.5
22 µg/m³
PM10
22 µg/m³
Ozon
0,3 µg/m³
Nitrogen dioksida
21 µg/m³
Sulfur dioksida
3 µg/m³
Karbon monoksida
335,7 µg/m³
European AQI (separate scale)
2