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Porto, Portugal

Bougado · Kualitas udara

Senin, 2 Nov · Europe/Lisbon

Bougado air quality

US air quality index

47

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
18 µg/m³
PM2.5
20 µg/m³
PM10
20 µg/m³
Ozon
13 µg/m³
Nitrogen dioksida
36 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
231 µg/m³
European AQI (separate scale)
2