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England, United Kingdom

Holborn · Kalidad ng hangin

Sabado, Nob 14 · Europe/London

Holborn air quality

US air quality index

97

Katamtaman

US EPA scale

  1. Mabuti0–50
  2. Katamtaman51–100Current category
  3. Masama sa kalusugan ng mga sensitibong grupo101–150
  4. Masama sa kalusugan151–200
  5. Lubhang masama sa kalusugan201–300
  6. Mapanganib301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Lahat ng Polutante

PM1
8 µg/m³
PM2.5
10 µg/m³
PM10
12 µg/m³
Osono
36 µg/m³
Nitroheno dioksido
16 µg/m³
Asupre dioksido
3 µg/m³
Karbon monoksido
159 µg/m³
European AQI (separate scale)
4