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Tver Oblast, Russia

Radchenko · Kalidad ng hangin

Linggo, Okt 25 · Europe/Moscow

Radchenko air quality

US air quality index

17

Mabuti

US EPA scale

  1. Mabuti0–50Current category
  2. Katamtaman51–100
  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
4 µg/m³
PM2.5
5 µg/m³
PM10
6 µg/m³
Osono
29 µg/m³
Nitroheno dioksido
9.3 µg/m³
Asupre dioksido
5.3 µg/m³
Karbon monoksido
143.3 µg/m³
European AQI (separate scale)
1