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Shaanxi, Uchina

Daoxian · Ubora wa hewa

Jumamosi, 14 Nov · Asia/Shanghai

Daoxian air quality

US air quality index

154

Hewa yenye madhara

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200Current category
  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
39 µg/m³
PM2.5
44 µg/m³
PM10
53 µg/m³
Ozoni
49 µg/m³
Dioksidi ya nitrojeni
19 µg/m³
Dioksidi ya salfa
20 µg/m³
Monoksidi ya kaboni
800 µg/m³
European AQI (separate scale)
5