ການພະຍາກອນຄຸນນະພາບອາກາດ
ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: the Air Quality in Wales (airquality.gov.wales)
Note that the measurements for PM2.5 (fine particulate matter), O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Newport St Julians Comp School