Salty tap water and dirty air – Bangkok’s environmental woes continue today
Brackish tap water, with increased salinity caused by seawater back-flowing into the Chao Phraya River, is threatening the gardens in and around the Government House compound. Government House officials are seeking assistance from the Agriculture Department.
Several small tree species – Lamduan, Chor Sumalee, Rachavadi, Nom Maew and Hom Muenlee – are more vulnerable to brackish tap water. The gardens are watered from a supply pumped in from the Chao Phraya.
It’s been noted tha the saline level was around 400 milligrams per litre, still within the 1,000 mg/litre standard, but some of the species were already intolerant to the rising salinity.
Officials are seeking advice from the Agriculture Department about long-term measures to replant with species which would be more tolerant to the rising salinity of the water – situation they acknowledge will need to be managed in the short to medium term.
SCREENGRAB: Air Visual
Meanwhile, air around the capital today continues to be universally poor to very poor with readings as high as 187 near Suvarnabhumi Airport. Light airs, dust problems from northern-easter provinces and hot continental air flowing across the capital, continue to haunt Bangkok. Even with many factories closed today, and traffic lighter than weekdays, Bangkok’s air has been recorded as the ninth worst city in the world for air pollution.
Right across the city the air quality readings are into the ‘unhealthy’ zone.
Chiang Mai, Lampang and Central Thailand are fairing no better – all with readings at least 3 times the Thai upper safe limit of 50 microns of 2.5micron particulate per cubic metre. The World Health Organisation sets its limit even lower at 25.
Pattaya has air quality readings today of 162, whilst even Phuket, in the south, is registering readings between 100 and 145 with reduced visibility today.
SOURCE: Thai PBS World
