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Heilongjiang, Uchina

Hulan · Ubora wa hewa

Jumanne, 10 Nov · Asia/Shanghai

Hulan air quality

US air quality index

84

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
49 µg/m³
PM2.5
53 µg/m³
PM10
57 µg/m³
Ozoni
3 µg/m³
Dioksidi ya nitrojeni
50 µg/m³
Dioksidi ya salfa
33 µg/m³
Monoksidi ya kaboni
1,195 µg/m³
European AQI (separate scale)
4