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Henan, China

Weidu · Kalidad ng hangin

Miyerkules, Nob 11 · Asia/Shanghai

Weidu air quality

US air quality index

88

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
34 µg/m³
PM2.5
36 µg/m³
PM10
38 µg/m³
Osono
0 µg/m³
Nitroheno dioksido
49 µg/m³
Asupre dioksido
6 µg/m³
Karbon monoksido
449 µg/m³
European AQI (separate scale)
4