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Dagestan, Russia

Makhachkala · Kalidad ng hangin

Lunes, Nob 2 · Europe/Moscow

Makhachkala air quality

US air quality index

65

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
9 µg/m³
PM2.5
21 µg/m³
PM10
50 µg/m³
Osono
57 µg/m³
Nitroheno dioksido
1.7 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
143 µg/m³
European AQI (separate scale)
3