Yosemite park closed for visitors because of a smoke from fires

Yosemite national park to State of California closed because of excessive air pollution in connection with forest fires. The Service of national parks reported on September 17 USA about it . Agency on environmental protection of United States of America reported that air pollution level in park many times over exceeds norm. Now quality of air in Yosemiti varies from "the extremely unhealthy" to "dangerous". National park remains closed at least before the end of the week. In the next few days rangers will systematically check an index of quality of air. Park will not open while indicators will not improve. Besides...