Ruka hadi hali ya hewa
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Chongqing, Uchina

Baihe · Ubora wa hewa

Ijumaa, 6 Nov · Asia/Shanghai

Baihe air quality

US air quality index

77

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
22 µg/m³
PM2.5
23 µg/m³
PM10
24 µg/m³
Ozoni
49 µg/m³
Dioksidi ya nitrojeni
11 µg/m³
Dioksidi ya salfa
4 µg/m³
Monoksidi ya kaboni
270 µg/m³
European AQI (separate scale)
3