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Henan, Uchina

Zhulan · Ubora wa hewa

Jumanne, 10 Nov · Asia/Shanghai

Zhulan air quality

US air quality index

69

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
26 µg/m³
PM2.5
29 µg/m³
PM10
31 µg/m³
Ozoni
24.3 µg/m³
Dioksidi ya nitrojeni
11.7 µg/m³
Dioksidi ya salfa
3 µg/m³
Monoksidi ya kaboni
325 µg/m³
European AQI (separate scale)
3