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Leiria, Portugal

Caldas da Rainha · Kualitas udara

Minggu, 8 Nov · Europe/Lisbon

Caldas da Rainha air quality

US air quality index

31

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
9 µg/m³
PM10
15 µg/m³
Ozon
62,3 µg/m³
Nitrogen dioksida
2,7 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
100,7 µg/m³
European AQI (separate scale)
2