If you have access to geographically coded data, you could also do a cluster analysis to identify the geographical locations spatially (with high TB rates; high PM2.5 levels). If your data is for several time periods, you can add a spatio-temporal analysis.
Use Poisson Regression to adjust TB rates for PM2.5 levels.
Your aim of the study and the methodology used are not clear from the given description. Need more details about your work to help you to select appropriate statistical tools
Thank you for your concern toward my question. Actually, You know that it has been established that Beijing is the most vulnerable place in the world, in the context of Air pollution. And there still have not been studied about PM2.5 and its association with Tuberculosis infection. Thus, I want see it the association between it and also with meteorological parameters as well.
it depends on the hypothesis you testing, if you looking about PM2.5 is associated or increasing risk of TB infection, and TB is binary variable, then you can use Logistic regression .
and in case if you time between the PM2.5 exposure until the time they got TB, then it's to use COX regression and represent it through KM curve as well.