PM10, PM2.5, NO2, SO2 and O3 concentration layers obtained from the regional chemical-transport-model Polyphemus/DLR with 2 km horizontal grid resolution. The product is released daily at 12:00 a.m. UTC. The model uses anthropogenic emissions obtained from TNO 2018 (with 2019 update). Reference: Chan et al., Remote Sens. 2021, 13, 969.
NO2 O3 PM10 PM2.5 SO2
![](http://wdc.dlr.de/data_lib/METOP-A/GOME2/L3/latest/AlpAirEO/BR_multi+roads.png)
Ozone (O3)
![](http://wdc.dlr.de/data_lib/METOP-A/GOME2/L3/latest/AlpAirEO/BR_O3+roads.png)
Nitrogen Dioxide (NO2)
![](http://wdc.dlr.de/data_lib/METOP-A/GOME2/L3/latest/AlpAirEO/BR_NO2+roads.png)
Particulate Matter 10µm (PM10)
![](http://wdc.dlr.de/data_lib/METOP-A/GOME2/L3/latest/AlpAirEO/BR_PM10+roads.png)
Particulate Matter 2.5µm (PM2.5)
![](http://wdc.dlr.de/data_lib/METOP-A/GOME2/L3/latest/AlpAirEO/BR_PM2_5+roads.png)
Sulfur Dioxide (SO2)
![](http://wdc.dlr.de/data_lib/METOP-A/GOME2/L3/latest/AlpAirEO/BR_SO2+roads.png)