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Chongqing, Uchina

Fengjia · Ubora wa hewa

Jumapili, 8 Nov · Asia/Shanghai

Fengjia air quality

US air quality index

24

Nzuri

US EPA scale

  1. Nzuri0–50Current category
  2. Wastani51–100
  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
13 µg/m³
PM2.5
14 µg/m³
PM10
14 µg/m³
Ozoni
34 µg/m³
Dioksidi ya nitrojeni
8 µg/m³
Dioksidi ya salfa
2.7 µg/m³
Monoksidi ya kaboni
402.7 µg/m³
European AQI (separate scale)
1