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Heilongjiang, Uchina

Chonghe · Ubora wa hewa

Jumatatu, 9 Nov · Asia/Shanghai

Chonghe air quality

US air quality index

82

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
11 µg/m³
Ozoni
62 µg/m³
Dioksidi ya nitrojeni
5 µg/m³
Dioksidi ya salfa
3 µg/m³
Monoksidi ya kaboni
209 µg/m³
European AQI (separate scale)
4