Ruka hadi hali ya hewa
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Shanxi, Uchina

Zirun · Ubora wa hewa

Jumapili, 18 Okt · Asia/Shanghai

Zirun air quality

US air quality index

59

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
10 µg/m³
PM2.5
49 µg/m³
PM10
186 µg/m³
Ozoni
41 µg/m³
Dioksidi ya nitrojeni
10 µg/m³
Dioksidi ya salfa
6 µg/m³
Monoksidi ya kaboni
201 µg/m³
European AQI (separate scale)
2