pollution and indoor air quality

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  • 1. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Whats air pollution like around here? Pollution and Indoor Air Quality City centre air quality is typically above WHO annual warning levels for PM2.5 and NO2.

2. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions The opportunity for improvement is great 3. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Indoor Air Quality from the HVAC system If your building has mechanical ventilation, ask if it uses regularly maintained, low energy, air filters complying fully with British and European standard BS:EN 13779. 4. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Annual mean nitrogen dioxide in 2010 London Air Quality Network http://www.londonair.org.uk/london/asp/annualmaps.asp 5. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Schools near roads carrying over 10,000 vehicles per day How polluted is my school? http://www.howpollutedismyroad.org.uk/schools.php 6. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Diesel exhaust in tonnes per kilometre per year How polluted is my road? http://www.howpollutedismyroad.org.uk/roads.php 7. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Free Clean Air in Cities app Reports the health impact of long-term exposure to dangerous airborne particles (PM2.5) for the population in local areas, regions and England as a whole itun.es/i6xj69k 8. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions Air filter groups and classes Group Filter class Example of use Average collection efficiency for the most penetrating particle size (MPPS) % Average efficiency for 0.4 mm particles % Average arrestance of dust % Coarse G4 Warehouses Over 90 Medium M5 Protection of ventilation systems 40-59 M6 60-79 Fine F7 Schools 80-89 (min 35) F8 Laboratories 90-94 (min 55) F9 Healthcare 95 and above (min 70) Efficiency particulate filters E10 Precision tooling 85 E11 95 E12 99.5 High efficiency particulate filters H13 and H14 Operating theatres Over 99.95 Ultra low penetration air filters U15, U16 and U17 Space craft Over 99.9995 9. Clean air solutionsClean air solutionsClean air solutionsClean air solutionsClean air solutions British and European standard BS:EN 13779 for non-residential buildings Outdoor Air Quality (ODA) Indoor Air Quality (IDA) IDA 1 (High) IDA 2 (Medium) IDA 3 (Moderate) IDA 4 (Low) Increasingpollution ODA 1 eg countryside 1.0xWHO e.g. NO240mg/m3 F9 F8 F7 F5 ODA 2 eg smaller towns