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Gansu, Uchina

Lianlu · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Shanghai

Lianlu air quality

US air quality index

80

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
19 µg/m³
PM2.5
20 µg/m³
PM10
21 µg/m³
Ozoni
22.3 µg/m³
Dioksidi ya nitrojeni
8.7 µg/m³
Dioksidi ya salfa
1 µg/m³
Monoksidi ya kaboni
305.7 µg/m³
European AQI (separate scale)
4