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Heilongjiang, Uchina

Lianfeng · Ubora wa hewa

Jumatatu, 9 Nov · Asia/Shanghai

Lianfeng air quality

US air quality index

68

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
28 µg/m³
PM2.5
32 µg/m³
PM10
35 µg/m³
Ozoni
28 µg/m³
Dioksidi ya nitrojeni
17 µg/m³
Dioksidi ya salfa
8 µg/m³
Monoksidi ya kaboni
625 µg/m³
European AQI (separate scale)
3