Presentation of PM10 concentration vertical profiles from November and December 2019
Vertical profiles of PM10 concentration have been masured by particulate matter sensor installed on Krakow Balloon’s gondola since the end of November 2019. Possibility of performing measurments is tied to possiblity of performing flights. Between 28.11 and 19.12 it was passible to obtain data on 10 different days. On 28.11, 12.12, 17.12 and 19.12 we have observed typical situation for Krakow. Our measurments have shown that high concentration levels (up to 100 µg/m3) are below around 100 m altitude. Above this height, concentrtion decreases drastically, to a couple of micrograms per qubic meter.
On 1.12, 6.12 and 9.12 there was a considerably strong wind (averaging between 2 and 5 m/s), which caused airing of the pollution and increased strength of vertical atmosphere mixing. Therefore, PM10 concentration was very low (below 30 µg/m3 close to the ground) and almost independent to attitude.
Vertical profiles collected on 5.12 show medium level of pollution. PM10 concentration right over ground averaged between 50 and 70 70 µg/m3, without changing according to altitude (even up to 200 m). Higher concentration levels on high altitudes may indicate larger area of pollution.
On 11.12 and 13.12 we have managed to observe change of vertical pollution profile in the morning. During first flights (9:00 – 10:00) PM10 concentration near the groung was relativerly high (around 50 µg/m3 on 11.12 and 35 µg/m3 on 13.12), however the value dropped significantly over 100 altitude. Past 10:00 the concentration near the ground was dropping and was increasing on higher altitudes. This was caused by convection and shows disappearance of inversion layer.
Data collected on the rest of the days below.
Data presentation and coverage by:
dr inż. Jakub Bartyzel
dr hab. inż. Mirosław Zimnoch, prof. AGH
Environmental Physics Team, WFiIS AGH