'Very high' air pollution in Wales from Paris smog
- Published
The Tax Office in Llanishen, Cardiff was completely hidden by the smog on Thursday
Smog which has blown from Paris has caused air pollution levels to be "very high" across Wales.
Air monitoring stations in Cardiff, Newport and Chepstow have all shown high levels of particle pollution.
The smog blew over the English Channel from Paris and the current high atmospheric pressure has led to hazy visibility.
People who suffer from breathing difficulties are being warned about the potentially harmful cloud of smog.
"If it is hazy out there, conditions are not that great" - Meteorologist Helen Willetts
The thick smog also descended over the M4 in Cardiff as commuters made their way into the city
The air pollution covered swathes of Wales with Wrexham badly affected
Smog contains a health-harming pollutant called ozone
The smog is expected to remain at a raised level until the weekend
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