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Tamil Nadu, India

Pāpireddippatti · Air quality

Saturday, Oct 31 · Asia/Kolkata

Pāpireddippatti air quality

US air quality index

126

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
29 µg/m³
PM2.5
33 µg/m³
PM10
36 µg/m³
Ozone
86.3 µg/m³
Nitrogen dioxide
10.3 µg/m³
Sulfur dioxide
6.3 µg/m³
Carbon monoxide
272 µg/m³
European AQI (separate scale)
4