This Ambient Air Quality Report for February 2021 presents air quality monitoring data from various locations, including Wat Takuan, Thoet Thai Muslim, PTT Housing, and Wat Mab Chalood. The monitoring covered the entire month of February 2021.
The 24-hour average monitoring results for Total Suspended Particulates (TSP) showed that all measured values were below the legal standard of 330 micrograms per cubic meter.
For 24-hour average monitoring of Particulate Matter less than 10 micrometers (PM10), the data indicated that all measured values were well within acceptable limits and below the legal standard of 120 micrograms per cubic meter.
Regarding Sulfur Dioxide (SO2) and Nitrogen Dioxide (NO2) gases, which were monitored for their hourly maximum values, all measured values throughout February 2021 were found to be below the legal standards of 300 ppb and 170 ppb, respectively.
Overall, the ambient air quality data for February 2021 presented in this report indicates that all measured values for TSP, PM10, SO2, and NO2 met the legal standards. Full details are available in the attached file.