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Chongqing, Uchina

Daguan · Ubora wa hewa

Jumamosi, 7 Nov · Asia/Shanghai

Daguan air quality

US air quality index

87

Wastani

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100Current category
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

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

Understand the EPA scale

Vichafuzi vyote

PM1
9 µg/m³
PM2.5
10 µg/m³
PM10
10 µg/m³
Ozoni
60 µg/m³
Dioksidi ya nitrojeni
3 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
212 µg/m³
European AQI (separate scale)
4