Ruka hadi hali ya hewa
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Henan, Uchina

Xinxiang · Ubora wa hewa

Jumatano, 28 Okt · Asia/Shanghai

Xinxiang air quality

US air quality index

131

Hewa yenye madhara kwa makundi nyeti

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150Current category
  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
33 µg/m³
PM2.5
38 µg/m³
PM10
45 µg/m³
Ozoni
62 µg/m³
Dioksidi ya nitrojeni
19 µg/m³
Dioksidi ya salfa
7 µg/m³
Monoksidi ya kaboni
369 µg/m³
European AQI (separate scale)
4