Real-time Air Index
11:00 05-December-2016
208 Heavily polluted
Primary Pollutant PM2.5
Health effects 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.
Cautionary Statements The following groups should avoid all physical activity outdoors: People with heart or lung disease  Children and older adultsEveryone else should avoid prolonged or heavy exertion.
Real-time Photos
点击查看大图

Real-time concentrations of air pollutants

11:00 05-December-2016
* unit for CO is mg/m3 Pollutant-Specific Breakpoints for the AQI The real-time concentrations of air pollutants have not been verified and are forreference use only.

Useful Links

The Chart of Real-time Air Index

The latest 24-hour Change of Air Quality Index (AQI)

The latest 30-day Change of Air Quality Index (AQI)