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Zhejiang, Uchina

Pingtian · Ubora wa hewa

Jumamosi, 7 Nov · Asia/Shanghai

Pingtian air quality

US air quality index

84

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
21 µg/m³
PM10
32 µg/m³
Ozoni
54 µg/m³
Dioksidi ya nitrojeni
9 µg/m³
Dioksidi ya salfa
2.3 µg/m³
Monoksidi ya kaboni
212.7 µg/m³
European AQI (separate scale)
4