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Tianjin, Uchina

Fengtai · Ubora wa hewa

Jumatatu, 9 Nov · Asia/Shanghai

Fengtai air quality

US air quality index

151

Hewa yenye madhara

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200Current category
  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
29 µg/m³
PM10
53 µg/m³
Ozoni
33 µg/m³
Dioksidi ya nitrojeni
21.7 µg/m³
Dioksidi ya salfa
5.3 µg/m³
Monoksidi ya kaboni
345.3 µg/m³
European AQI (separate scale)
5