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Heilongjiang, Uchina

Yongjiu · Ubora wa hewa

Alhamisi, 12 Nov · Asia/Shanghai

Yongjiu air quality

US air quality index

151

Hewa yenye madhara

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200Current category
  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
23 µg/m³
PM2.5
26 µg/m³
PM10
28 µg/m³
Ozoni
6.7 µg/m³
Dioksidi ya nitrojeni
30 µg/m³
Dioksidi ya salfa
16.7 µg/m³
Monoksidi ya kaboni
1,035.7 µg/m³
European AQI (separate scale)
5