FAQ
|
Contact Info
|
Feedback
|
Sitemap
RSS
Advanced Search
Home
About MEWR
Policies
Programmes/Initiatives
News/Events
Publications
Career
Useful Links
Our History
Our Vision and Mission
Our Service Commitment
Organisation Chart
Corporate Social Responsibility
Environmental Policy
Our Agencies
Clean Air
Clean Land
Clean Water
Public Health
International Cooperation
Energy/Climate Change
Sustainable Singapore
Environment and Water Industry
National Climate Change Strategy
President's Award for Environment
NEW Scholarship
Singapore Green Plan
Community Partnership
Clean, Green and Blue
Milieu
State of Environment Report Singapore
Key Environmental Statistics
Sustainable Development Blueprint
Careers in MEWR
Benefits
Divisions in MEWR
Learning and Development
Clean, Green and Blue
Milieu
State of Environment Report Singapore
Key Environmental Statistics
Clean Air
Solid Waste Management
Environmental Health
Water Resource Management
Climate Change and Energy Efficiency
Regional and International Collaboration
Sustainable Development Blueprint
Click the following to download the report:
KES 2010(0.4 MB)
Home
>
Publications
>
Key Environmental Statistics
>
Clean Air
Publications
Clean Air
Pollutant
Averaging Time
Unit
2007
2008
2009
Sulphur Dioxide (SO
2
)
24-hour
μg/m
3
80
76
83
Annual
μg/m
3
12
11
9
Nitrogen Dioxide (NO
2
)
Annual
μg/m
3
22
22
22
Carbon Monoxide (CO)
1-hour
mg/m
3
2.3
2.3
2.4
8-hour
mg/m
3
1.7
1.5
1.7
Ozone
8-hour
μg/m
3
140
103
100
Particulate Matter PM10
24-hour
μg/m
3
69
57
77
Particulate Matter PM2.5
24-hour
μg/m
3
35
30
39
Annual
μg/m
3
19
16
19
Lead
Quarterly average
μg/m
3
0.02
0.02
0.01
Air quality was affected by transboundary smoke haze in 1997 and 2006