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. Author manuscript; available in PMC: 2023 Sep 18.
Published in final edited form as: Atmosphere (Basel). 2022 Apr 27;13(5):696. doi: 10.3390/atmos13050696

Table 3. Baseline model performance.

Study Variable Study Region R2 RMSE [μg/m3]
Gupta et al. 2006 30 PM2.5 NYC 0.36 Not reported
Wang et al. 2016 31 PM2.5 LA 0.80 3.10
Carslaw et al. 2013 32 PM2.5 London 0.46 6.70
  NO2   0.50 43.50
Current model PM2.5 All cities* 0.86 1.78
  NO2   0.43 16.68
*

Calculation performed between model estimates and ground monitoring sites.