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Jharkhand, India

Purihasa · Air quality

Sunday, Nov 15 · Asia/Kolkata

Purihasa air quality

US air quality index

170

Unhealthy

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200Current category
  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
63 µg/m³
PM2.5
76 µg/m³
PM10
95 µg/m³
Ozone
15 µg/m³
Nitrogen dioxide
20.7 µg/m³
Sulfur dioxide
17.7 µg/m³
Carbon monoxide
687.3 µg/m³
European AQI (separate scale)
6