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INDOOR AIR POLLUTION AS PART OF OVERALL AIR POLLUTION IN ASIAN CITIES

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HUMAN. This presentation. Will explore: Indoor generated pollution in Asia (and worldwide) ... Title: Residential Decoration: Beware of killers of Human Health ... – PowerPoint PPT presentation

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Title: INDOOR AIR POLLUTION AS PART OF OVERALL AIR POLLUTION IN ASIAN CITIES


1
INDOOR AIR POLLUTION AS PART OF OVERALL AIR
POLLUTION IN ASIAN CITIES
  • Lidia Morawska
  • Queensland University of Technology

2
Links between humans, buildings and environment
3
This presentation
  • Will explore
  • Indoor generated pollution in Asia (and
    worldwide)
  • The effect of outdoor pollution on indoor
    exposures
  • The impact of indoor emissions on outdoor
    pollution

4
Airborne pollutants
  • Particles
  • Inorganic gases (CO, CO2, NOx, SO2)
  • Volatile and semi-volatile organic compounds
    (VOC)
  • Inorganic trace elements (Pb, V, Br, etc)
  • Biological agents
  • Ozone
  • Radon (Rn)

5
INDOOR GENERATED POLLUTION IN ASIA
  • Two ends of the spectrum

6
Indoor generated pollution in Asia
  • Highest indoor concentration levels of particles
    resulting from open fire burning and cooking
  • China 3000 ?g m-3
  • India 6800 ?g m-3
  • Nepal 8200 ?g m-3
  • Guidelines for Air Quality. WHO, 2000

7
Comparison with outdoor standards or objectives
TSP ?g/m3 TSP ?g/m3 PM10 ?g/m3 PM10 ?g/m3 PM2.5 ?g/m3 PM2.5 ?g/m3
Annual 24 h Annual 24 h Annual 24 h
US 50 150 15 65
Australia 50 8 25
Hong Kong 80 260 55 180
8
Indoor generated pollution in Asia and worldwide
  • Indoor source number 1 SMOKING

Emissions of particulate matter from one
cigarette Up to 3 mg/min Up to 22 mg/cigarette
       
9
Indoor generated pollution in Asia and worldwide
  • Indoor source number 2 COOKING 

Emissions from cooking Of the order of 4 mg/min
10
Indoor generated pollution in Asia and worldwide
PM10 Indoor/Outdoor Ratio
11
Indoor generated pollution in Asia
  •  Progress in improving indoor air quality
    dissemination of knowledge 
  •  
  •  
  •  
  •  
  •  
  • New book appearing now
  • Title Residential Decoration Beware of killers
    of Human Health
  • Publisher China Building and Architecture Press
  • Author Guoqiang Zhang Likui Yu

12
OUTDOOR POLLUTION ITS IMPACT ON INDOOR AIR
13
Outdoor pollution and its impact on indoor air
In urban air Motor vehicle emissions constitute
the most significant source of pollutants
Over 4000 pollutants emitted by vehicles!
14
Outdoor pollution and its impact on indoor air
PM10 I/O Ratio No indoor sources
15
INDOOR EMISSIONS IMPACT ON OUTDOOR AIR
  • Contribution to pollution
  • in the urban air shed

Micro scale pollution
16
Greenhouse emissions related to building sector -
CO2 - some facts
  • 25-30 of total energy-related emissions
  • 10-12 of the increase in net radiative forcing,
    which is inducing global warming
  • between 1980 and 1990, emissions from buildings
    have grown by 1.7 per year with rates 4 times
    greater in developing countries
  • building emissions predicted to grow by 2.6 a
    year to the year 2020

17
Urban dust dome and heat island
  • (Botkin and Keller 1997)

18
WHERE TO FROM HERE?
  • Education and information
  • Efficiently using the available knowledge
  • Based on the above, developing approaches most
    suited to local and regional needs

19
SUMMARY
Indoor environment is a part of a system
its quality is central to human health.
Asia faces old and new challenges
some solutions available, some needed.
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