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Assam, India

Kochpara · Air quality

Saturday, Nov 7 · Asia/Kolkata

Kochpara air quality

US air quality index

110

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. 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 scale

All pollutants

PM1
30 µg/m³
PM2.5
33 µg/m³
PM10
34 µg/m³
Ozone
50 µg/m³
Nitrogen dioxide
10.7 µg/m³
Sulfur dioxide
4 µg/m³
Carbon monoxide
404 µg/m³
European AQI (separate scale)
4