Night temperature may rise slightly and day temperature may fall slightly over the country
Light rain is likely to occur at one or two places over Mymensingh, Sylhet, Dhaka, Khulna, Barisal & Chittagong divisions within 24 hours commencing 9am on Wednesday.
Places of Dhaka has already seen a light drizzle in the afternoon.
The weather may remain mainly dry with partly cloudy sky elsewhere over the country, reports a Bangladesh Meteorological Department bulletin.
The bulletin adds that moderate to thick fog may occur over the country during midnight till morning and it may continue at places over the country till noon.
Night temperature may rise slightly and day temperature may fall slightly over the country.
Bangladesh’s maximum temperature on Wednesday was recorded at 26.8°C in Teknaf and minimum temperature on Wednesday was recorded at 11.8°C in Tetulia.
Wednesday’s sunset in Dhaka is at 5:36pm and Thursday’s sunrise is at 6:43am.
On the other hand, the capital's air quality index (AQI) at 9:30 am on Wednesday read 378, which is considered "hazardous," reports UNB.
An AQI between 201 and 300 is considered "poor," while a reading of 301 to 400 is said to be "hazardous," posing serious health risks to city residents.
In Bangladesh, the overall AQI is based on five criteria pollutants, such as Particulate Matter (PM10 and PM2.5), NO2, CO, SO2, and Ozone (O3).
Bangladesh has a subtropical monsoon climate characterized by wide seasonal variations in rainfall, high temperatures and humidity.
Generally, Dhaka's air starts getting fresh when monsoon rain begins from mid-June. The air remains mostly acceptable from June to October.
According to the World Health Organization (WHO), air pollution kills an estimated seven million people worldwide every year, largely as a result of increased mortality from stroke, heart disease, chronic obstructive pulmonary disease, lung cancer and acute respiratory infections.