Author

Si-Qi Ma

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Open access Sep 2026

Neighborhood-Scale O3, NO2, and PM2.5 in Washington, D.C. from a 1 × 1 km2 WRF–SMOKE–CMAQ Framework

Quantifying air pollution concentrations at fine spatial scales is important for resolving intra-urban exposure variability and identifying sources that disproportionately impact population groups across locations. We developed a neighborhood-scale resolution (1 × 1 km2) WRF–SMOKE–CMAQ modeling framework to character...

Hoda Hallaji, Si-Qi Ma, D. Tong et al. · ACS ES&T Air · 0 citations

Open access Sep 2026

Meteorological and Emission Drivers of Compound Heat and Ozone Pollution Episodes in Oklahoma City During Periods Influenced by Atlantic Tropical Cyclones

Compound heat and ozone (O3) pollution events are widespread and pose significant health risks in urban areas. In the Southern Great Plains (SGP), where heat waves are becoming more frequent and intense, these compound events represent a growing environmental and public health concern, underscoring the need for improve...

Xiao-Ming Hu, Cheng-Hao Wang, Si-Qi Ma et al. · Journal of Geophysical Resea... · 0 citations

Open access Sep 2026

The association of extreme heat and PM2.5 with preterm birth and low birthweight in Florida, United States

The results suggest the importance of considering duration and magnitude in defining heat exposure to understand the effects of extreme heat on pregnancy and suggest a need for improved comparability of heatwave definitions as climate change continues to accurately assess their public health impacts.

Jessica A. Broach, E. Harville, Jihoon Jung et al. · Frontiers in Environmental H... · 0 citations