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Lesser Poland, Poland

Frydman · Air quality

Thursday, 15 Oct · Europe/Warsaw

Frydman air quality

US air quality index

33

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  3. E no good for sensitive people101–150
  4. E no good for health151–200
  5. E bad well well for health201–300
  6. Dangerous301–500+

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
4 µg/m³
PM2.5
7 µg/m³
PM10
9 µg/m³
Ozone
53 µg/m³
Nitrogen dioxide
4 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
150 µg/m³
European AQI (separate scale)
2