Ruka hadi hali ya hewa
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Guangdong, Uchina

Longping · Ubora wa hewa

Jumapili, 25 Okt · Asia/Shanghai

Longping air quality

US air quality index

67

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
22 µg/m³
PM2.5
25 µg/m³
PM10
25 µg/m³
Ozoni
29 µg/m³
Dioksidi ya nitrojeni
8 µg/m³
Dioksidi ya salfa
3 µg/m³
Monoksidi ya kaboni
405 µg/m³
European AQI (separate scale)
2