Bangkok only city with hazardous PM2.5 levels

Bangkok only city with hazardous PM2.5 levels
Bangkok only city with hazardous PM2.5 levels

Bangkok only city with hazardous PM2.5 levels
On Thursday night, heavy dust obscures the perspective of high-rises in Bangkok. ( Bangkok Post photo )

Bangkok was the only city among 63 provinces battling thick smog late on Thursday morning that had been labeled as the only city covered by red-coded ( seriously hazardous ) levels of fine dust pollution, according to the Geo-Informatics and Space Technology Development Agency ( Gistda ).

The state space agency discovered at 10 a.m. that the capital’s airborne particulate matter level, which is 2.5 micrometers or less in diameter ( PM2.5 ), had increased by 77.5 % per cubic meter ( g/m3 ) over the previous 24 hours.

The govt- set safe level is 37.5µg/m³, with crimson levels indicating a serious health risks at 75.2µg/m ³ and above.

Orange ( initially unsafe ) levels of PM2.5 were detected in 62 other provinces. Analyses ranged from 38.4 to 72.6µg/m³. The Central Plains and the Northeast were the regions where the majority of the provinces were located.

Recently shrouded with reddish- coded levels, the northeastern provinces of Chiang Mai, Chiang Rai, and Mae Hong Son saw a change to peach on Thursday night, ranging from 41 to 44µg/m³.

Just the South reported healthy PM2.5 levels.

On Thursday, high concentrations of fine sand pollution were spotted in Bangkok and 62 different regions. ( Screenshot from IQAir )