Ruka hadi hali ya hewa
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Heilongjiang, Uchina

Hailin · Ubora wa hewa

Jumamosi, 31 Okt · Asia/Shanghai

Hailin air quality

US air quality index

64

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
12 µg/m³
PM2.5
14 µg/m³
PM10
15 µg/m³
Ozoni
53.7 µg/m³
Dioksidi ya nitrojeni
2.7 µg/m³
Dioksidi ya salfa
2.3 µg/m³
Monoksidi ya kaboni
196.3 µg/m³
European AQI (separate scale)
2