Chongqing, Uchina
Tiefeng · Ubora wa hewa
Alhamisi, 12 Nov · Asia/Shanghai
Tiefeng air quality
US air quality index
149Hewa yenye madhara kwa makundi nyeti
US EPA scale
- Nzuri0–50
- Wastani51–100
- Hewa yenye madhara kwa makundi nyeti101–150Current category
- Hewa yenye madhara151–200
- Hewa yenye madhara makubwa201–300
- 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 scaleVichafuzi vyote
- PM1
- 39 µg/m³
- PM2.5
- 42 µg/m³
- PM10
- 44 µg/m³
- Ozoni
- 32.3 µg/m³
- Dioksidi ya nitrojeni
- 30 µg/m³
- Dioksidi ya salfa
- 13 µg/m³
- Monoksidi ya kaboni
- 406 µg/m³
- European AQI (separate scale)
- 5