Low-Emission Zones in Europe: Crit'Air, Umweltplakette and DGT Labels

Why the rules differ from country to country

Low-emission zones exist to help cities meet EU air quality limits, and there were already about 250 of them across Europe by 2019. The EU sets the air quality targets but leaves the means to national and city governments. The result, as the European Consumer Centres network (ECC-Net) puts it, is that there is no uniform regulation. Each country chooses its own sticker or registration system, and within France and Italy each city sets its own times and areas.

Almost every scheme is built on the same foundation, the car's Euro emissions standard (or, where that is missing, its first registration date) and its fuel type. Electric cars are always in the cleanest class.

Country by country

Fines and amounts are from ECC-Net's environmental zones page, updated in August 2026, unless stated otherwise.

France: the Crit'Air sticker

France sorts vehicles into six Crit'Air classes by fuel and Euro standard, from Crit'Air 0 for electric and hydrogen cars to Crit'Air 5 for the most polluting vehicles. Cars that do not meet at least Euro 2 cannot get a sticker at all. ECC France counts 42 towns and cities with low-emission zones (zones à faibles émissions, ZFE) that require it at certain times or in certain areas, and each city decides which classes may enter.

• Where to buy: only the official site certificat-air.gouv.fr. ECC France gives the price as €3.81 in 2026; the RAC quotes €4.91 for delivery to the UK. Delivery takes days, so order before you travel.
• Fines: in 2026, ECC France gives €68 for entering a zone without the right sticker, while the RAC quotes an on-the-spot fine of €135.
• Spain and Geneva: Spain recognises the Crit'Air sticker for French-registered cars, and Geneva in Switzerland accepts it in its own Stick'Air scheme.

Germany: the Umweltplakette

German environmental zones (Umweltzonen) use a coloured windscreen sticker based on the car's emissions group:

ARBÖ states that in practice the zones are open only to cars with a green sticker. The sticker is tied to the registration plate, has no expiry date and is valid in every German zone. The Austrian club ARBÖ notes that it is compulsory for foreign drivers too and that the fine is €100 as of 2026. Some cities, including Stuttgart, Munich and Darmstadt, also restrict older diesels on certain roads. Automobile clubs such as ARBÖ sell it at their branches; order it well before the trip.

Spain: DGT environmental labels

Spain's traffic authority (DGT) classifies cars with four labels. The criteria for cars and light vans, as summarised by the Spanish automobile club RACE in February 2026:

The Climate Change and Energy Transition Law (Law 7/2021) requires more than 140 municipalities with over 50,000 inhabitants to create a low-emission zone (zona de bajas emisiones, ZBE). For Spanish-registered cars the sticker costs €5 at a Correos post office in 2026, according to RACE. French-registered cars use their Crit'Air sticker instead, and Barcelona requires foreign vehicles to register online before entering, with occasional access for non-compliant vehicles on up to 24 days a year.

Belgium, the Netherlands, Denmark, Italy and Poland

• Belgium: Brussels requires diesel cars to meet at least Euro 5. Non-compliant vehicles can buy a day pass at €35 in 2026, up to 24 times a year. In Antwerp and Ghent registration of foreign vehicles is compulsory; it is free if the car meets the rules, and registering in Ghent covers all Flemish zones.
• Netherlands: zones in Amsterdam, The Hague, Utrecht, Arnhem and other cities ban diesel cars below Euro 4. Cameras read plates, so no sticker or registration is needed; ECC-Net gives a fine of €110 for a light vehicle in 2026.
• Denmark: older vehicles must be registered on the official Miljøzoner site no later than the day they enter a zone.
• Italy: many historic centres are limited traffic zones (ZTL) closed to non-resident cars, enforced by cameras. Emilia-Romagna runs winter restrictions on weekdays from 1 October to 31 March, and Euro 5 diesels have been restricted in some urban areas since 1 October 2025.
• Poland: Warsaw and Kraków check plates by camera. Use the cities' official checkers to see if your car may enter.

How to check your car and plan a trip: step by step

1. Find your car's Euro standard. It is shown in the vehicle papers. Where it is missing, schemes such as Crit'Air use the first registration date instead.
2. List every city on your route, including ring roads that may fall inside a zone.
3. Check the national system with the table above, then the city rules: times, classes and exemptions differ.
4. Order stickers early from official sites only: certificat-air.gouv.fr for Crit'Air, an automobile club for the Umweltplakette.
5. Register online where required (Antwerp, Ghent, Barcelona, Denmark) before the day of entry.
6. Plan where to park outside any zone your car cannot enter, and continue by public transport.

Choosing your next car with LEZs in mind

If you live in or drive into cities with zones, the fuel and Euro standard of your next car matter as much as its price. An electric car gets the best class everywhere, and a hybrid earns Spain's ECO label, or Cero for plug-in hybrids with at least 40 km of electric range. A Euro 6 diesel meets all the limits in the tables above today, but cities such as Brussels have tightened their rules in steps. Our petrol vs diesel cost comparison helps check whether a diesel still pays off for your mileage.