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The paper presents atmospheric stability description by the use Richardson number (Ri). The calculation was done for two types o f weather: sunny days (24h) and cloudy days (24h). In accordance with Oke (1987) stability static was divided as follows: unstable stability a-fully forced convection, b-mixed convection, c-free convection; d-neutral stability; stable stability e-fully forced convection,...
Modern methods allows accurately analysis of quality and quantity of particulate matter suspended in the air. Measurement particulate matter PM10 was done in Ursynów-WAU since January 2002 by the use of dust sampler. Ana ysis of the results shows permissible level D24 was excced 8 times in the period since January to December 2002. Th e most high concentrations was recorded during inflow northen and...
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