What ways can I get measurements of ozone and nitrogen dioxide concentrations in an area?

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Mirza Waleed

Azzeddine Reghais you can perform a time series analysis to see spatial disparities in ozone or NO2 concentration. Yes, this can be performed in Earth Engine with ease. For satellite data see below datasets:

Ozone:

https://developers.google.com/earth-engine/datasets/catalog/TOMS_MERGED?hl=en

https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S5P_OFFL_L3_O3_TCL?hl=en

https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S5P_OFFL_L3_O3?hl=en

https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S5P_NRTI_L3_O3?hl=en

For NO2:

https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S5P_OFFL_L3_NO2?hl=en

Azzeddine Reghais

Many thanks dear Mirza Waleed for all the valuable information