The maximum PM10 particle concentration (148.5 mg / m3) has been recorded today at 10.00 am, from 10.30 am the level of the smog decreased, but during the day it has been still high (an average of 80 micrograms / m3)

https://all-andorra.com/maximum-value-pm10-particle-concentration-148-5-mg-m3-recorded-today-10-00-10-30-level-smog-decreased-day-still-high-average/