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

PARTICULATE MATTER AIR POLLUTION Sea salt, black carbon, dust, etc.

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 Dust transport Surrounding mountains

PM2.5 CONCENTRATION IN BEIJING AND KAMPALA

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

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

Time of exposure

1 hour 8 hours 24hours Annual PM2.5 25 μg/m³ 10 μg/m³ Ozone 100 μg/m³ Nitrogen dioxide 200 μg/m³ 40 μg/m³

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