West Bengal, India
Howrah · Air quality
Saturday, Oct 24 · Asia/Kolkata
Howrah air quality
US air quality index
173Unhealthy
US EPA scale
- Good0–50
- Moderate51–100
- Unhealthy for sensitive groups101–150
- Unhealthy151–200Current category
- 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
- 109 µg/m³
- PM2.5
- 121 µg/m³
- PM10
- 128 µg/m³
- Ozone
- 87.3 µg/m³
- Nitrogen dioxide
- 12.7 µg/m³
- Sulfur dioxide
- 28 µg/m³
- Carbon monoxide
- 555.7 µg/m³
- European AQI (separate scale)
- 6