Air Quality Index in Lleida

How is the Air Quality Index (AQI) calculated?

Check the Air Quality Index in Lleida.

Eltiempo.es uses both the European Union methodology and that of the United States Environmental Protection Agency (EPA) with modeled data on air quality. The European Union data comes from the European Union Copernicus Atmosphere Monitoring Service (CAMS).

    The pollutants are as follows:

  • -Particulate Matter (PM2.5)
  • -Particulate Matter (PM10)
  • -Ozone (O3)
  • -Nitrogen Dioxide (NO2)
  • -Sulfur Dioxide (SO2)

From the indexes calculated for each pollutant, we select the one with the most unfavorable value. This value is the one considered as the air quality index for the day.

Satisfactory

Pollutants

PM10

8.74 ug/m3

PM2.5

8.35 ug/m3

NO2

8.59 ppb

SO2

4.69 ppb

O3

0.14 ppm

Tips

General population

You can enjoy outdoor activities without worry.

Sensitive groups

No additional precautions are required.