There are also regional efforts to monitor air quality. The ASEAN Specialised Meteorological Centre (ASMC), for example, was established in 1993 to enhance the capacities of meteorological services. It is also responsible for monitoring and assessing land and forest fires and haze in the region, as well as providing real-time air quality information from multiple stations in the region. Some countries in the region have national air quality standards covering at least some of the six main outdoor air pollutants: fine (PM25) and coarse (PM10) particulate matter, ozone (03), nitrogen dioxide (N02), and sulphur dioxide (SO,) (Table 3.3).