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Hebei, Uchina

Longzhou · Ubora wa hewa

Jumapili, 8 Nov · Asia/Shanghai

Longzhou air quality

US air quality index

52

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
30 µg/m³
PM2.5
32 µg/m³
PM10
33 µg/m³
Ozoni
8.7 µg/m³
Dioksidi ya nitrojeni
36.7 µg/m³
Dioksidi ya salfa
12 µg/m³
Monoksidi ya kaboni
486.3 µg/m³
European AQI (separate scale)
2