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Heilongjiang, Uchina

Shahezi · Ubora wa hewa

Jumapili, 8 Nov · Asia/Shanghai

Shahezi air quality

US air quality index

98

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
45 µg/m³
PM2.5
51 µg/m³
PM10
55 µg/m³
Ozoni
26.7 µg/m³
Dioksidi ya nitrojeni
18 µg/m³
Dioksidi ya salfa
6.7 µg/m³
Monoksidi ya kaboni
497.7 µg/m³
European AQI (separate scale)
4