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Fujian, Uchina

Longmen · Ubora wa hewa

Ijumaa, 6 Nov · Asia/Shanghai

Longmen air quality

US air quality index

73

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
15 µg/m³
PM2.5
20 µg/m³
PM10
24 µg/m³
Ozoni
81 µg/m³
Dioksidi ya nitrojeni
10.7 µg/m³
Dioksidi ya salfa
4.7 µg/m³
Monoksidi ya kaboni
305 µg/m³
European AQI (separate scale)
3