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Tamil Nadu, India

Attayampatti · Air quality

Friday, Nov 13 · Asia/Kolkata

Attayampatti air quality

US air quality index

142

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
40 µg/m³
PM2.5
45 µg/m³
PM10
48 µg/m³
Ozone
39 µg/m³
Nitrogen dioxide
13 µg/m³
Sulfur dioxide
7 µg/m³
Carbon monoxide
486 µg/m³
European AQI (separate scale)
5