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San Francisco · Kualitas udara

Minggu, 8 Nov · America/Cancun

San Francisco air quality

US air quality index

24

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
2 µg/m³
PM2.5
3 µg/m³
PM10
6 µg/m³
Ozon
43,3 µg/m³
Nitrogen dioksida
0,7 µg/m³
Sulfur dioksida
1 µg/m³
Karbon monoksida
105,3 µg/m³
European AQI (separate scale)
1