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Henan, Uchina

Yinji · Ubora wa hewa

Jumatatu, 16 Nov · Asia/Shanghai

Yinji air quality

US air quality index

166

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
98 µg/m³
PM2.5
104 µg/m³
PM10
105 µg/m³
Ozoni
5 µg/m³
Dioksidi ya nitrojeni
37 µg/m³
Dioksidi ya salfa
11 µg/m³
Monoksidi ya kaboni
686.7 µg/m³
European AQI (separate scale)
6