上海市空气质量实时发布

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Real-time Air Index(12:00 03-June-2023)

41

41

Good

Good

Primary Pollutant:

-

Health effects:

Air quality is considered satisfactory and poses little or no risk.

Cautionary Statements:

Whole population can proceed with normal activities.

Real-time Photos

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Real-time concentrations of air pollutants(12:00 03-June-2023)

Indicator	Type	Concentration
PM_2.5	1-hour	-.-
PM_2.5	24-hour	-.-
PM₁₀	1-hour	-.-
PM₁₀	24-hour	-.-
O₃	1-hour	-.-
CO	1-hour	-.-
SO₂	1-hour	-.-
NO₂	1-hour	-.-

AQI
PM2.5

Air quality index	Air quality condition	Colors	Level of health concerns	Cautionary statements
0~50	Good		Air quality is considered satisfactory and poses little or no risk	Whole population can proceed with normal activities
51~100	Moderate		Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of unusually sensitive individuals.	The unusually sensitive individuals should consider reducing physical activity outdoors.
101~150	lightly polluted		Symptoms of sensitive groups may increase slightly, the general public is likely to have irritant symptoms	The following groups should reduce prolonged or heavy outdoor exertion: ? People with heart or lung disease ? Children and older adults
151~200	Medially polluted		Air pollution may increase aggravation of symptoms in people of sensitive groups; everyone may begin to experience health effects of cardiopulmonary system.	The following groups should reduce prolonged or heavy outdoor exertion: ? People with heart or lung disease ? Children and older adults Everyone else should limit prolonged or heavy exertion.
201~300	Heavily polluted		Air pollution trigger a health alert, individuals with heart and lung diseases appear significant aggravation of symptoms with reduction of exercise tolerance; and general population experience health effects universally.	The following groups should avoid all physical activity outdoors: ? People with heart or lung disease ? Children and older adults Everyone else should avoid prolonged or heavy exertion.
> 300	Severely polluted		Air pollution trigger health warnings of emergency conditions. The general population appears severe symptoms with obviously reduction of exercise tolerance, and is even more likely to have cardiopulmonary diseases ahead of time.	The following groups should remain indoors and keep activity levels low: ? People with heart or lung disease ? Children and older adults Everyone else should avoid all physical activity outdoors.

Air quality index	Air quality condition	Colors	Level of health concerns	Cautionary statements
0~50	Good		Air quality is considered satisfactory and poses little or no risk	Whole population can proceed with normal activities
51~100	Moderate		Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of unusually sensitive individuals.	The unusually sensitive individuals should consider reducing physical activity outdoors.
101~150	lightly polluted		Symptoms of sensitive groups may increase slightly, the general public is likely to have irritant symptoms	The following groups should reduce prolonged or heavy outdoor exertion: ? People with heart or lung disease ? Children and older adults
151~200	Medially polluted		Air pollution may increase aggravation of symptoms in people of sensitive groups; everyone may begin to experience health effects of cardiopulmonary system.	The following groups should reduce prolonged or heavy outdoor exertion: ? People with heart or lung disease ? Children and older adults Everyone else should limit prolonged or heavy exertion.
201~300	Heavily polluted		Air pollution trigger a health alert, individuals with heart and lung diseases appear significant aggravation of symptoms with reduction of exercise tolerance; and general population experience health effects universally.	The following groups should avoid all physical activity outdoors: ? People with heart or lung disease ? Children and older adults Everyone else should avoid prolonged or heavy exertion.
> 300	Severely polluted		Air pollution trigger health warnings of emergency conditions. The general population appears severe symptoms with obviously reduction of exercise tolerance, and is even more likely to have cardiopulmonary diseases ahead of time.	The following groups should remain indoors and keep activity levels low: ? People with heart or lung disease ? Children and older adults Everyone else should avoid all physical activity outdoors.