Data Downloads » PM2.5 Particulates (reference equivalent)
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Note: date shown is for the start of the day, ie, time 00:00.
3. Select averaging period:

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Warning: Valid measurements from Wandsworth - Battersea are available for only 57% of the requested period.Warning: Data from Wandsworth - Battersea for selected period has not been fully ratified.Warning: Valid measurements from Wandsworth - Lavender Hill (Clapham Jct) are available for only 38% of the requested period.Warning: Data from Wandsworth - Lavender Hill (Clapham Jct) for selected period has not been fully ratified.Warning: Valid measurements from Wandsworth - Putney are available for only 38% of the requested period.Warning: Data from Wandsworth - Putney for selected period has not been fully ratified.Warning: Valid measurements from Wandsworth - Putney High Street are available for only 36% of the requested period.Warning: Data from Wandsworth - Putney High Street for selected period has not been fully ratified.Warning: Valid measurements from Wandsworth - Tooting High Street are available for only 24% of the requested period.Warning: Data from Wandsworth - Tooting High Street for selected period has not been ratified.Warning: Total Data exceeds 65,000 records, this may not open in some spreadsheet applications.
Please note: data which has not been ratified is currently provisional and must be considered with care. Why?
View Period » 1-jan-2024 to 23-aug-2025
Graph of Air Quality Data
Key: Site 1(WAA) Site 2(WAC) Site 3(WA9) Site 4(WA7) Site 5(WAB)
4. Check information at the site to see if it is suitable: Go to Site 1  Go to Site 2  Go to Site 3  Go to Site 4  Go to Site 5   
5. Select Data Download for approx 288000 records using:
CSV format (Approx 18001K)
Download data in CSV format
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