Way to assess air pollution levels

摘要

the method of assessment u0443u0440u043eu0432u043du00a0 u0437u0430u0433u0440u00a0u0437u043du0435u043du0438u00a0 u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 atmosphere, so that needles of scots pine in the field and in the process u043du0435u0437u0430u0433u0440u00a0u0437u043du0435u043du043du043eu0439 u0437u0430u0433u0440u00a0u0437u043du0435u043du0438u00a0 air u043eu0442u0440u0430u0431u043e u0442u0430u043du043du044bu043cu0438 gas vehicles analyze the free u043fu0440u043eu043bu0438u043du0430, followed by the computation of the second u0437u0430u0433u0440u00a0u0437u043du0435u043du0438u00a0, u00a0u0432u043bu00a0u044eu0449u0438u0445u0441u00a0 attitude above a u043fu043eu043au0430u0437u0430u0442u0435u043bu00a0 first.in this u0432u044bu0434u0435u043bu00a0u044eu0442 three u0443u0440u043eu0432u043du00a0 u0437u0430u0433u0440u00a0u0437u043du0435u043du0438u00a0: low (ratios of 1.5 and below); the average (1.6 - 3.0) and high (3.1 and above).