Identification of ozone sensitivity for NO2 and secondary HCHO

Increase in Surface Ozone over Beijing-Tianjin-Hebei and the Surrounding Areas of China Inferred from Satellite Retrievals, 2005-2018 - Aerosol and Air Quality Research

Simultaneous Observations of Nitrogen Dioxide, Formaldehyde and Ozone in the Indo-Gangetic Plain - Aerosol and Air Quality Research

ACP - OMI-observed HCHO in Shanghai, China, during 2010–2019 and ozone sensitivity inferred by an improved HCHO ∕ NO2 ratio

ACP - Examining TROPOMI formaldehyde to nitrogen dioxide ratios in the Lake Michigan region: implications for ozone exceedances

Sensitivity of Ambient Atmospheric Formaldehyde and Ozone to Precursor Species and Source Types Across the United States

Identification of ozone sensitivity for NO2 and secondary HCHO based on MAX-DOAS measurements in northeast China - ScienceDirect

MAX-DOAS and in-situ measurements of aerosols and trace gases over Dongying, China: Insight into ozone formation sensitivity based on secondary HCHO - ScienceDirect

Comparison of monthly averaged HCHO VCDs measured by MAX-DOAS and EVI

Satellite-based summertime Ω NO2 (blue dots), Ω HCHO (green dots)

Assessing the Ratios of Formaldehyde and Glyoxal to NO2 as Indicators of O3– NOx–VOC Sensitivity

2019-2022 NO2 column concentration, HCHO column concentration, and FNR