New particle formation (NPF) in the tropical upper troposphere is a globally important source
of atmospheric aerosols 1, 2, 3, 4. It is known to occur over the Amazon basin, but the …

Ozone is an important contributor to the radiative energy budget of the upper troposphere
(UT). Therefore, observing and understanding the processes contributing to ozone …

Nitrogen oxides (NO x≡ NO+ NO 2) are centrally involved in the photochemical processes
taking place in the Earth's atmosphere. Measurements of NO 2, particularly in remote areas …

The measurement method of NO 2 with continuous analysers is specified for EU Ambient Air
Quality Directive compliance reporting, which provides a consistent methodology and …

Air pollution is a significant global problem that affects human health and the natural
environment. This research article aims to provide a comprehensive review of the impacts of …

Gaseous air pollutants emitted primarily by anthropogenic sources form secondary products
through photochemical reactions, complicating the regulatory analysis of anthropogenic …

The reference method to quantify mixing ratios of the criteria air pollutant nitrogen dioxide
(NO 2) is NO-O 3 chemiluminescence (CL), in which mixing ratios of nitric oxide (NO) are …

The word atmosphere is derived from the Latin word atmosphaera which originates from the
Greek words atmós meaning" vapour, steam, odor" and sphaîra meaning" ball, globe …

Nitrogen oxides (NOx≡ NO+ NO2) are centrally involved in the photochemical processes
taking place in the earth's atmosphere. Measurements of NO2, particularly in remote areas …

Page 1 Appendix A. Supplementary data Interference from HONO in the measurement of
ambient air NO2 via photolytic conversion and Page 1 Page 1 Appendix A. Supplementary …