Tsallaka zuwa yanayi
weather.ws

Tehran, Iran

Arjomand · Ingancin iska

Saturday, Nov 7 · Asia/Tehran

Arjomand air quality

US air quality index

32

Mai kyau

US EPA scale

  1. Mai kyau0–50Current category
  2. Matsakaici51–100
  3. Mai cutarwa ga masu saurin kamuwa101–150
  4. Mai cutarwa ga lafiya151–200
  5. Mai matuƙar cutarwa ga lafiya201–300
  6. Mai haɗari301–500+

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

Understand the EPA scale

Duk abubuwan gurɓata iska

PM1
2 µg/m³
PM2.5
6 µg/m³
PM10
21 µg/m³
Ozon
72.3 µg/m³
Diyoksayidin naytrojin
1 µg/m³
Diyoksayidin sulfur
2 µg/m³
Monoksayidin karbon
112 µg/m³
European AQI (separate scale)
2