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Simiyu, Tanzania

Maswa · Air quality

Tuesday, Oct 27 · Africa/Dar es Salaam

Maswa air quality

US air quality index

25

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  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
8 µg/m³
PM2.5
9 µg/m³
PM10
10 µg/m³
Ozone
52 µg/m³
Nitrogen dioxide
3 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
193.3 µg/m³
European AQI (separate scale)
2