新鲜人: 附带的解释: 0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone (11-8 07:17)
新鲜人: 51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active chil (11-8 07:17)
新鲜人: Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. (11-8 07:18)
新鲜人: 101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory (11-8 07:19)
新鲜人: and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. (11-8 07:20)
新鲜人: 151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, (11-8 07:21)
新鲜人: such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion。 (11-8 07:21)
新鲜人: 201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, (11-8 07:22)
新鲜人: such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. (11-8 07:22)
新鲜人: 300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion。 (11-8 07:23)