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Heilongjiang, Uchina

Sandaohezi · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Shanghai

Sandaohezi air quality

US air quality index

95

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
27 µg/m³
PM2.5
37 µg/m³
PM10
54 µg/m³
Ozoni
18.7 µg/m³
Dioksidi ya nitrojeni
22 µg/m³
Dioksidi ya salfa
9.3 µg/m³
Monoksidi ya kaboni
497.7 µg/m³
European AQI (separate scale)
4