We have studied the results of air pollutants in Martorell day by day from 2009 to 2022, exactly 6669 days and we have found if they agree to the limits according to the World Health Organisation (WHO) or European Union (EU). Neocities.
The daily limits of NO2 are 25 for µg/m3 WHO or 200 µg/m3 for the EU.
The limits of the EU are never reached in Martorell, but the limits of the WHO are reached the 57,02% of days.
Here's how to make a list:
To learn more HTML/CSS, check out these tutorials!