Today’s Air Pollution
The map below shows the air pollution levels in Liverpool recorded by monitoring stations in the city. Please click on the red dots for more information.
What have the air pollution levels been in Liverpool this year
The weather has the biggest influence on NO2 concentrations in the short term and the weather in January 2024 and February 2024 was relatively cold. Therefore, the monthly average nitrogen dioxide (NO2) concentrations have remained high between January and February 2023.. Warmer weather in spring and summer results in NO2 levels decreasing slightly.
The legal limit for NO2 is 40 µg/m3 when averaged over one year. The sites at Edge Lane, Speke Road, Everton Valley, Clayton Square and the Speke AURN are all significantly below this limit so far in 2024. They were also below this limit in 2023. The site at Lime Street was only slightly below the legal limit 2023. This is probably due to the large amounts of traffic at this busy city centre location..
At Walton Vale and Lime St, the monthly averages for 2024 are currently above the annual limit value for NO2. This is likely due to the large amounts of traffic at these location. Liverpool City Council is aware that air pollution is a problem in Walton Vale and this is currently being addressed by the Liverpool Clean Air Plan.
May 2024 was the first month that the automatic monitoring station at Hunter St has been active and therefore there is no data for January to April. There was also insufficient data in June at the Speke Road site due to equipment breakdown..
The table below shows the nitrogen dioxide concentrations in microgrammes per metre cubed (µg/m3)
| Location | 2023 annual mean | Jan 2024 | Feb 2024 | Mar 2024 | Apr 2024 | May 2024 | June 2024 | July 2024 |
2024 running mean (to 14/6/24) |
| Edge Lane | 27.3 | 30.3 | 26.9 | 24.8 | 24.4 | 25.5 | 18.7 | 20.8 | 24.6 |
| Speke Road | 26.1 | 32.8 | 30.2 | 23.7 | 21.4 | 25.6 | N/A | 20.3 | 25.5 |
| Everton Valley | 28.0 | 34.4 | 32.5 | 28.3 | 21.8 | 24.8 | 17..6 | 20.5 | 25.9 |
| Lime Street | 39.8 | 49.8 | 54.8 | 44.1 | 43.5 | 50.5 | 50.8 | 51.0 | 49.2 |
| Clayton Sq | 21.8 | 25.5 | 23.5 | 21.4 | 16.3 | 19.3 | 12.2 | 15.3 | 19.0 |
| Walton Vale | 47.7 | 61.6 | 58.5 | 42.2 | 41.4 | 41.9 | 37.9 | 39.2 | 46.2 |
| Hunter St | NA | NA | NA | NA | NA | 38.3 | 28.7 | 32.2 | 33.4 |
| Speke AURN | 14. | 18.8 | 14.8 | 13.7 | 9.6 | 11.7 | 7.7 | 9.2 | 12.3 |
Why is pollution often classified as low everywhere?
Often air pollution levels in most areas of Liverpool are sufficiently small to be classified as low according to the Air Quality Index. When this index was created these levels were considered unlikely to cause any adverse health effects. There is currently debate about whether there is any safe level for these pollutants and the Air Quality Index may be revised in the future. Liverpool City Council do not believe that the Air Quality Index is the best way to classify air pollution level but we have included it on this website because it is used at a national level and by other local authorities
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