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West Pomerania, Poland

Chojna · Air quality

Tuesday, 3 Nov · Europe/Warsaw

Chojna air quality

US air quality index

74

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
24 µg/m³
PM2.5
29 µg/m³
PM10
32 µg/m³
Ozone
23.3 µg/m³
Nitrogen dioxide
12.3 µg/m³
Sulfur dioxide
4 µg/m³
Carbon monoxide
218.3 µg/m³
European AQI (separate scale)
3