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UK-AIR
UK-AIR's data archive provides measured air monitoring data, statistics, and preformatted files for download.
About UK-AIR
UK-AIR's Data Archive is a government website that publishes measured air quality monitoring data for the United Kingdom. It is published by Defra and the Devolved Administrations and maintained and hosted by Ricardo Energy & Environment. The archive covers more than 1,500 monitoring sites across the UK, organised into automatic and non-automatic networks.
Visitors can use the Data Selector Tool to download measured data, or download preformatted files of raw automatic monitoring data. The site also offers descriptive statistics, such as annual means, maximum and minimum values, daily and monthly means and percentile values, plus exceedance statistics that show concentrations above thresholds such as UK Air Quality Objectives and EU Limit and Target Values. Other pages cover data availability, annual compliance assessment data and PM2.5 targets.
Data is published under the Open Government Licence, which allows copying, publishing, distribution and adaptation, including commercial use, provided Defra and uk-air.defra.gov.uk are acknowledged as the source. The site is aimed at anyone who needs UK air quality measurements for research, analysis or reporting.
Key features
- Data Selector Tool for downloading measured data from UK monitoring networks
- Descriptive statistics including annual means, maxima, minima and percentile values
- Exceedance statistics against UK Air Quality Objectives and EU limit values
- Preformatted files of raw automatic monitoring data
- Covers more than 1,500 air quality monitoring sites across the UK
- Published under the Open Government Licence, with attribution required
Best for: Researchers, analysts, students and journalists who need UK air quality measurement data and statistics for analysis or reporting.
Good for
- Free access to measured air quality data and statistics
- Open Government Licence permits reuse, including commercial use, with attribution
- Several download routes, including statistics and raw automatic data files
- Data drawn from over 1,500 monitoring sites across the UK
Watch out for
- Covers UK air quality monitoring only
- Reuse requires acknowledging Defra and uk-air.defra.gov.uk as the source
UK-AIR at a glance
- Website
- uk-air.defra.gov.uk/data
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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UK-AIR FAQ
What is UK-AIR?
It is the Defra UK Air data archive, a website that publishes measured air monitoring data, statistics and preformatted download files for the United Kingdom.
Is UK-AIR data free to use?
Yes. Data on the site is published under the Open Government Licence, which allows copying, adaptation and commercial or non-commercial use as long as Defra and uk-air.defra.gov.uk are credited as the source.
What data can I download from UK-AIR?
You can download measured data from UK monitoring networks using the Data Selector Tool, preformatted files of raw automatic monitoring data, descriptive statistics and exceedance statistics for different pollutants, locations and time periods.
Who runs the UK-AIR website?
It is published by Defra and the Devolved Administrations, and is maintained and hosted by Ricardo Energy & Environment on their behalf.
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