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Philippines: Environmental data

National Ambient Air Quality Guidelines

Pollutants	Short-term			Long-term
Pollutants	µg/m3	ppm	ave. time	µg/m3	ppm	ave. time
Suspended Particulate Matter -- TSP PM10	230		24 hrs	90		1 yr
Suspended Particulate Matter -- TSP PM10	150		24 hrs	60		1 yr
Sulfur dioxide	180	0.07	24 hrs	80	0.03	1 yr
Nitrogen dioxide	150	0.08	24 hrs	n.a.
Photochemical Oxidants as Ozone	140	0.07	1 hr
Photochemical Oxidants as Ozone	60	0.03	8 hrs
Carbon monoxide	35 mg/m3	30	1 hr
Carbon monoxide	10 mg/m3	9	8 hrs
Lead	1.5		3 mos	1		1 yr

Source: Clean Air Act of 1999

Related documents

Structural Reform and Institutional and Regulatory Framework for Air Quality Management
Neric Acosta, BAQ 2002 [PDF]
National Ambient Air Quality Guidelines
[XLS: 17kb]

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Philippines: Environmental data

National Ambient Air Quality Guidelines

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