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Tamil Nadu, India

Panapākkam · Air quality

Saturday, Nov 7 · Asia/Kolkata

Panapākkam air quality

US air quality index

54

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. Unhealthy for sensitive groups101–150
  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
16 µg/m³
PM2.5
20 µg/m³
PM10
22 µg/m³
Ozone
17 µg/m³
Nitrogen dioxide
20 µg/m³
Sulfur dioxide
7 µg/m³
Carbon monoxide
363 µg/m³
European AQI (separate scale)
2