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Heilongjiang, Uchina

Longtai · Ubora wa hewa

Alhamisi, 12 Nov · Asia/Shanghai

Longtai air quality

US air quality index

117

Hewa yenye madhara kwa makundi nyeti

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150Current category
  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
35 µg/m³
PM2.5
41 µg/m³
PM10
48 µg/m³
Ozoni
10 µg/m³
Dioksidi ya nitrojeni
35.3 µg/m³
Dioksidi ya salfa
20 µg/m³
Monoksidi ya kaboni
917.3 µg/m³
European AQI (separate scale)
4