| Table of contents Clean Air J. vol.31 n.1 Pretoria 2021 Research Article | | | | · Intra-urban variability of PM2.5 in a dense, low-income settlement on the South African Highveld Moletsane, Simon D.; Lindeque, Farina.; Language, Brigitte.; Nkosi, Ncobile C.; Adesina, Joseph A.; Burger, Roelof P.; Mkhatshwa, Gabi.; Piketh, Stuart J.
| | | | · Ambient air quality data reported at Sasol Secunda monitoring stations during COVID-19 lockdown - Mpumalanga, South Africa Venter, Andrew D.; Lourens, Alexandra S. M.
| | | | · Assessing SO2, NO2 and O3 in rural areas of the North West Province Ngoasheng, Morongoa; Beukes, Johan P.; van Zyl, Pieter G.; Swartz, Jan-Stefan; Loate, Victor; Krisjan, Portia; Mpambani, Sandile; Kulmala, Markku; Vakkari, Ville; Laakso, Lauri
| | | Research brief | | | | · PM2.5 chemical composition and geographical origin of air masses in Cape Town, South Africa Williams, John; Petrik, Leslie; Wichmann, Janine
| | | | · Summary of research paper published in Nature Communications titled: Biomass burning aerosols in most climate models are too absorbing Brown, Hunter; Liu, Xiaohong; Pokhrel, Rudra; Murphy, Shane; Lu, Zheng; Saleh, Rawad; Mielonen, Tero; Kokkola, Harri; Bergman, Tommi; Myhre, Gunnar; Skeie, Ragnhild B.; Watson-Parris, Duncan; Stier, Philip; Johnson, Ben; Bellouin, Nicolas; Schulz, Michael; Vakkari, Ville; Beukes, Johan Paul; van Zyl, Pieter Gideon; Liu, Shang; Chand, Duli
| | | Feature: Low-Cost Sensors For Air Quality Research | | | | · The powerful potential of low-cost sensors for air quality research in Africa Subramanian, R; Garland, Rebecca M
| | | | · The Ghana Urban Air Quality Project (GHAir): Bridging air pollution data gaps in Ghana Sewor, Christian; Obeng, Akua A.
| | | | · Opportunities for the application of low-cost sensors in epidemiological studies to advance evidence of air pollution impacts on human health Wernecke, Bianca; Wright, Caradee Y.; Hey, Joshua Vande; Piketh, Stuart; Burger, Roelof; Kunene, Zamantimande; Panchal, Rikesh; Millar, Danielle; Oosthuizen, Dina N.; Batini, Chiara; John, Catherine; Guyatt, Anna L.; Packer, Richard J.; Tobin, Martin D.; Hansell, Anna; Gulliver, John; Cordell, Rebecca L.; Micklesfield, Lisa K.; Ramsay, Michele; Gayenga, Jocelyn; Xavier Gómez-Olivé, F.; Ngobeni, Khanyisa; Baloyi, Vukosi; Language, Brigitte
| | | | · AfriqAir's mission towards cleaner air for Africa and a call to action Giordano, Michael R.; Jaramillo, Paulina
| | | Message | | | | · Message from the NACA President Mkhatshwa, Gabi
| | | News | | | | · Reflections on the contributions of Bob Scholes† to atmospheric science Annegarn, Harold
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