Fig 4 - uploaded by Oliver F. Bischof
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Examples of UFP morning size distributions (at 6-6:30 am).

Examples of UFP morning size distributions (at 6-6:30 am).

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Conference Paper
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The particle size distribution of urban aerosols is typically dominated by ultrafine particles (UFP) originating from local sources such as traffic and industrial emissions. Due to their negligible mass they are clearly underrepresented by legislative PM10 mass measurements. This is one reason why their contribution to urban air quality is better c...

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