Abstract The TROPOspheric Monitoring Instrument (TROPOMI), launched in October 2017
on board the Sentinel-5 Precursor (S5P) satellite, monitors the composition of the Earth's …

Air mass factor (AMF) calculation is the largest source of uncertainty in NO 2 and HCHO
satellite retrievals in situations with enhanced trace gas concentrations in the lower …

Nitrous acid (HONO) is a precursor of the hydroxyl radical in the atmosphere, which controls
the degradation of greenhouse gases, contributes to photochemical smog and ozone …

In September 2016, 36 spectrometers from 24 institutes measured a number of key
atmospheric pollutants for a period of 17 d during the Second Cabauw Intercomparison …

A multi-axis differential optical absorption spectroscopy (MAX-DOAS) instrument was
deployed in May and June 2016 at a monitoring station (37.18∘ N, 114.36∘ E) in the …

Air pollutants represent an environmental and health risk, and the methods for their effective
assessment are of the greatest importance. The MAX-DOAS method is a reliable retrieval …

Toxic nitrogen oxides produced by high temperature combustion are prevalent in urban
environments, contributing to a significant health burden. Nitrogen oxides such as NO 2 and …

Ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS)
observations were operated from 02 to 21 December 2018 in Leshan, southwest China, to …

Water vapour is known to absorb radiation from the microwave region to the blue part of the
visible spectrum with decreasing efficiency. Ab initio approaches to model individual …

Glyoxal is one of the representative oxygenated volatile organic compounds in the
atmosphere. Its accurate measurement has high significance for the determination of VOC …