In 2023, RIVM will take systematic measurements of ultrafine particles in the outside air for the first time. This is necessary because little is known at present about ultrafine particles and their potential health effects. Ultrafine particles must be measured with different equipment than that usually used for particulate matter.

In 2022, the European Commission introduced a proposal for stricter air quality standards. With existing policy measures, the air quality in most of the Netherlands will meet these requirements by 2030.

RIVM expects the air quality to be poor or very poor for a brief period over Easter, particularly in areas where Easter fires are lit. This is because the burning of wood leads to high local concentrations of particulate matter in the air. These high concentrations may cause health problems. People affected by these problems are advised to avoid strenuous physical activity.

In 2021, greenhouse gas emissions were 1.8% higher than the year before. This marked the first time emissions had gone up since 2016. In 2020, emissions declined by 8.8%. The 2021 increase is largely attributable to CO2 and to the cold winter.

In 2021, the Netherlands once again met the European limit values for nitrogen dioxide emitted at ground-level by road traffic. This was also the case for particulate matter along the roads, with the exception of a small stretch of road near Velsen.

At the request of the Dutch House of Representatives, RIVM compiled a list of the 100 biggest ammonia emitters in the Netherlands. Recently, the underlying data used to compile this list were disclosed pursuant to a request under the Open Government Act.

At the behest of the European Parliament, the National Institute for Public Health and the Environment (RIVM) has formulated a report on how EU member states are dealing with European regulations on nitrogen in water (nitrate).

More nitrogen and phosphorus have been ending up in the soil on farms since 2015. As a result, nitrate concentrations have been rising since 2017 in leachates and ditch water from those farms.

In 2019, the calculated concentrations of nitrogen dioxide (NO2) and particulate matter (PM10) were below the European limit values ​​in almost the whole of the Netherlands. Locally, the limit value for nitrogen dioxide is still being exceeded.