weernieuws Although we have this week off and the sun still will see, are the well-known aprilse grill clear of the party. It will rain and it will slowly but surely sensitive fresher. At the weekend it will be even strikingly cold and it can light up the night freezing. Put sweaters and rain jacket, but not too far away. The high fijnstofconcentraties the whole is not better.

Today we start the day with hazy weather with lots of clouds and showers or periods of rain. In the regions along the Dutch border and continues to the dryer and there may be some opklaringen prevent. In the course of the afternoon, especially in the southern landshelft the showers become more active and increase the chance of local thunderstorms. The maxima lie between 10 or 11 degrees in the Ardennes, around 13 degrees in the center and 15 or 16 degrees along the Dutch border.

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Also today, again at a high fijnstofconcentraties measured. The information therefore continues to persist, leave the belgian interregional Cell for the Environment (IRCEL-celine) know in a tweet. the

Yesterday there were already high concentrations of fine particles measured in the entire country, and that is currently not otherwise. The concentrations are, on average, the highest around Antwerp and see something better from under the river Sambre and the Meuse, says Frans Fierens of IRCEL-celine. the

That indicates that both in Flanders and in Brussels and in Wallonia yesterday even index of 10 was reached. That is ago of 20 march 2015. It is a luchtkwaliteitsindex based on health effects, where index 1 is ‘excellent’ and index 10 is ‘extremely bad’.

How is that?

That the air quality is so bad, is due to several factors. In addition to the adverse verdunningsomstandigheden in the atmosphere, plays during this period of the year, the emissions of ammonia an important role in the formation of fine dust. Ammonia is released by the fertilization of agricultural soils and also emissions from stables. If the weather conditions are ideal, with sunny, warm, windless and relatively humid weather, like this weekend, ensures that for a typical episode of lentesmog, according to Fierens.

Efforts

People who are particularly sensitive to air pollution (eg. young children, the elderly, people with heart disease…) to do at high fijnstofconcentraties is best to avoid unusual physical efforts.

Increasing winds from the northeast through the day will make for a slow improvement of the air quality of the north to the south. Tonight is often dry in the north, but elsewhere it rains sometimes or fall showers with a chance of local thunderstorms.

night is the gradual everywhere dryer with opklaringen from the north. Along the French border continues to remain cloudy with periods of rain or showers. The minima fluctuate by 2 or 3 degrees in the High Fens and in the netherlands, around 4 degrees in the centre to 6 or 7 degrees along the French border.

Colder

Tomorrow morning is along the French border, temporarily still a chance at some rain. The fijnstofconcentraties reduce further. Soon it is everywhere dry with wide opklaringen. In the Ardennes it is rather cloudy. The ceilings are between 9 and 13 degrees. There blows a moderate and the sea is a fairly powerful, chapped noordoostenwind.

After a cold morning with local grondvorst is Thursday mostly sunny. A pale light and the sea fairly powerful noordoostenwind performs fresh and dry landlucht. The ceilings are between 7 and 10 degrees.

Friday to switch clouds and opklaringen each other off and it stays dry. Again, it is pretty cold. There is a chilly moderate, and the sea fairly powerful, noordoostenwind in maxima that does not exceed about 8 degrees in the center of the country.

“Very cold luchtsoort”

Saturday morning may here and there light freezing, and there is, in most places, there grondvorst. We get a lot of clouds and sometimes a little rain fall, in the Ardennes, a winter character takes. It is very fresh for the time of year. The ceilings are not much higher than a degree or 7. “On april 13, 2019 is approaching a very cold luchtsoort which has its origin in the north-west of Russia”, explains NoodweerBenelux on Twitter.

Sunday it seems mostly to stay dry, but remain cloudy. The mercury climbs still not higher than 8 degrees in the center.

Monday seems to be a dry day to be with opklaringen and clouds that alternate with each other. The mercury then rises gradually to values around 12 degrees. Tuesday is usually involved and there may be sometimes some light rain fall with a degree or 16 in the center of the country.