"Wair - The Blog"

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New episode of air pollution in Lyon: Why this peak and how do crit'air thumbnails work?

Road with a tunnel

A peak of fine particulate pollution has been underway since yesterday and continues this Friday, January 24th.

A few explanations on why PM2.5 and PM10 are present in the air and on the rules of the CRIT'AIR sticker.

THERE ARE MORE POLLUTION PEAKS IN WINTER THAN IN SUMMER!

This is contrary to the common belief that when it is hot you "feel" more pollution, but the pollutants and the phenomena involved are not at all the same.

In summer, it is more often ozone pollution, this so-called "secondary" pollutant being generated by the mutation of primary pollutants by the sun's UV rays.

In winter, the "classic" winter weather conditions are present (low temperatures, anticyclonic conditions and absence of wind) and are combined with increased heating (the additional combustion of fossil fuels releases micro particles). These phenomena prevent the dispersion of more pollutants into the atmosphere. Pollutant concentrations increase significantly, causing regulatory thresholds to be exceeded, particularly in terms of fine particles (PM2.5 & PM10).

HOWEVER, IT IS NOT ONLY ON DAYS OF PEAK POLLUTION THAT WE MUST PROTECT OURSELVES!

If pollution peaks have made it possible to alert public opinion through the ever-increasing media coverage, it is indeed chronic and daily exposure that is dangerous to health!

It's a bit like alcohol, drinking a lot one day is not good but drinking a little every day will make you sick...

Wearing an anti-pollution mask EVERY DAY is therefore the real solution to reduce chronic exposure to air pollutants.

 

 

CRIT'AIR KESAKO ? HOW DOES IT WORK ?

Road traffic is responsible for 1/3 of all pollutant emissions. In towns and cities, especially during pollution peaks and in winter, this impact is higher. In several municipalities such as Paris, Lille, Grenoble or Lyon, vignettes have been introduced to allow for alternating traffic.

This Friday 24 January, only vehicles with a CRIT'AIR 0, 1, 2 or 3 sticker will be allowed to drive in Lyon, Caluire and Villeurbanne. Vehicles without a sticker, or with a Crit'Air 4 and 5 are prohibited within the perimeter with the exception of the northern ring road, metropolitan road ex A7 (M7), motorway A7, metropolitan road ex A6 (M6), tunnel under Fourvière. In the event of failure to comply with the differentiated traffic rules, offenders will be fined 68 euros for light vehicles.

You can get your CRIT'AIR sticker here !

They are valid for cars as well as for two-wheelers!

Here's how they are assigned:

Green and white pellet: Crit'Air
Véhicules zero emission 100 % electric or hydrogen

Purple pastille: Crit'Air 1
Véhicules petrol or hybrid meeting Euro 5 and Euro 6 standards (from 1 January 2011)

Yellow sticker: Crit'Air 2
Véhicules petrol or hybrid meeting Euro 4 standards (from 1 January 2006 to 31 December 2010)
Véhicules diesel meeting Euro 5 and Euro 6 standards (from 1 January 2011)

Orange pastille: Crit'Air 3
Véhicules petrol or hybrid vehicles meeting Euro 2 and Euro 3 standards (from 1 January 1997 to 31 December 2005).diesel vehicles meeting Euro 4 standards (from 1 January 2006 to 31 December 2010).

Brown pastille: Crit'Air 4
Véhicules diesel meeting Euro 3 standards (from 1 January 2001 to 31 December 2005).

Grey pellet: Crit'Air 5
Véhicules diesel meeting Euro 2 standards (from 1 January 1997 to 31 December 2000).

Not eligible for a Crit'Air lozenge: 
Tous petrol and diesel vehicles registered before 31 December 1996, catalysed or not.

But let's remind him

THE BEST WAY TO POLLUTE LESS IS STILL NOT TO DRIVE!

At the same time, TCL renews its TICKET'AIR at 3€ for unlimited journeys over one day.

We would have preferred free...

More information below :

https://france3-regions.francetvinfo.fr/auvergne-rhone-alpes/rhone/lyon/pollution-air-lyon-circulation-differenciee-reconduite-vendredi-24-janvier-1778387.html

https://actu.fr/auvergne-rhone-alpes/lyon_69123/video-pendant-pic-pollution-lyon-policiers-controlent-vignettes-critair_30972122.html

https://weather.com/fr-FR/france/environnement/news/2018-11-21-pourquoi-les-episodes-de-pollution-sont-plus-severes-en-hiver

http://www.atmo-grandest.eu/actualite/pourquoi-le-froid-favorise-la-pollution-atmospherique

https://www.auto-moto.com/actualite/environnement/vignette-critair-eco-pastille-certificat-qualite-air-prix-categorie-pollution-49359.html

I like it.

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