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In terms of air quality, As at 4am today, Colombo’s air pollution status stood at moderate level of 57, as measured by PM 2.5 (fine particulate matter).
The ‘moderate’...
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As at 9am today, Colombo’s air pollution status stood at a moderate level of 89, as measured by PM 2.5 (fine particulate matter).The ‘moderate’ level, which ranges from 51-...
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In terms of air quality, As at 9am today, Colombo’s air pollution status stood at unhealthy level of 159, as measured by PM 2.5 (fine particulate matter).The ‘Unhealthy’...
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