INTRODUCTION TO AIR QUALITY IN CITIES Morgennebel | CC-BY-NC-ND-2.0 - PowerPoint PPT Presentation

INTRODUCTION TO AIR QUALITY IN CITIES

Morgennebel | CC-BY-NC-ND-2.0 | https://flic.kr/p/ee6kY1

GAS PHASE AIR POLLUTANTS Carbon monoxide, nitrogen oxides, ozone, etc. MPCA Photos | CC-BY-NC-2.0 | https://flic.kr/p/AYnApd

Sea salt, black carbon, dust, etc. PARTICULATE MATTER AIR POLLUTION dimitrisvetsikas1969 | Public domain | https://pixabay.com/nl/beeldhouwer-werken-kunstenaar- vrouw-1781715/

OZONE MEASURED IN AMSTERDAM Measurements made by GGD Amsterdam and retrieved from https://www.luchtmeetnet.nl

PM2.5 MEASURED IN AMSTERDAM Measurements made by GGD Amsterdam and retrieved from https://www.luchtmeetnet.nl

PM2.5 CONCENTRATION IN BEIJING Beijing data: Liang et al. (2015) Assessing Beijing's PM2.5 pollution: severity, weather impact, APEC and winter heating. Proceedings of the Royal Society A, 471, 20150257.

FACTORS INFLUENCING BEIJING AIR QUALITY Cold winter suppression Surrounding mountains Dust transport

KAMPALA PM2.5 CONCENTRATION IN BEIJING AND Kampala data: Kirenga, B.C. et al., (2015) The State of Air Quality in Two Ugandan Cities: A Pilot Cross-Sectional Spatial Analysis, International Journal of Environmental Research and Public Health, 12, 8075, doi:10.3390/ijerph120708075 .

WHO AIR QUALITY GUIDELINES Nitrogen dioxide Ozone PM2.5 200 μg/m³ Time of exposure 1 hour 100 μg/m³ 8 hours 25 μg/m³ 24hours 40 μg/m³ 10 μg/m³ Annual Data from: WHO, (2005), Air quality guidelines for particulate matter, ozone, nitrogen dioxide and sulfur dioxide, Global update 2005, http://apps.who.int/iris/bitstream/10665/69477/1/WHO_SDE_PHE_OEH_06.02_eng.pdf

INCREASING AIR QUALITY AWARENESS Tony Webster | CC-BY-2.0 | https://flic.kr/p/p54emz

CO-CREATING BETTER AIR QUALITY Waag Society | CC-BY-NC-SA-4.0 | http://waag.org/nl