Elderly warned to avoid city's pollution

Chiang Mai Public Health Office is warning residents, especially the elderly and those with respiratory diseases, to avoid prolonged outdoor activities as air pollution is reaching critical levels.
The Department of Pollution Control showed dust particles, smaller than 10 microns, are rising to a harmful level. Medics report that the number of people suffering from respiratory diseases in Chiang Mai is rising dramatically, with an increase of 20 per cent expected this year. The poor air is blamed on the city's location in a basin, which traps pollution, and the common practice of burning rubbish outdoors.
The Nation Citylife, Chiang Mai
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