Hai Phong, Vietnam
Chí Linh · Air quality
Wednesday, Oct 28 · Asia/Ho Chi Minh
Chí Linh air quality
US air quality index
126Unhealthy for sensitive groups
US EPA scale
- Good0–50
- Moderate51–100
- Unhealthy for sensitive groups101–150Current category
- Unhealthy151–200
- Very unhealthy201–300
- Hazardous301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scaleAll pollutants
- PM1
- 48 µg/m³
- PM2.5
- 51 µg/m³
- PM10
- 51 µg/m³
- Ozone
- 14.7 µg/m³
- Nitrogen dioxide
- 25.3 µg/m³
- Sulfur dioxide
- 15.7 µg/m³
- Carbon monoxide
- 583 µg/m³
- European AQI (separate scale)
- 4