Dear Mr Parnham,

Thank you for your email below. We received your request on 14th April 2022, and you will be sent a response within 20 working days (of receipt) in accordance with the Freedom of Information Act 2000/ Environmental Information Regulations 2004 (EIR), subject to the information not being exempt or containing reference to a third party.

Yours sincerely,

Joyce Fagan
Information Governance Requests Officer

Joyce Fagan | Information Governance Requests Officer | Oxford City Council | Law and Governance | St. Aldate's Chambers | Oxford | OX1 1DS

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Dear Mr Parnham

Further to the acknowledgement below, I can respond to your Freedom of
Information Act 2000 request received on 14 April 2022 as follows:

Request

Please provide me with the recent air quality monitoring data you hold for
the Cowley area of Oxford. By "recent”, I ideally mean between 1 January
2022 to 31 March 2022. This is is a follow-on request to four requests
made previously, because I want to evaluate the impact of the ending of
lockdown and the Cowley LTNs on local pollution levels. I am happy to
accept unverified / unapproved data.

In response to my earlier request, I previously received data from 1
December 2021 to 5 January 2022, rather than to 31 December 2021 as asked
for. Therefore, if it is more conveinent for you to provide me with data
from 6 January 2022 (or approximate nearby date) to 31 March 2022 (or
appromiate nearby date), rather than between 1 January 2022 to 31 March
2022, that is fine.

By "the Cowley area of Oxford", I mean all pollution monitoring stations
around Cowley Road, Hollow Wall, Temple Road, Oxford Road, Garsington
Road, Barns Road, Iffley Road, Horspath Driftway, and any other local
pollution monitoring stations that do not currently appear on the
[1]https://oxfordshire.air-quality.info website. If in doubt regarding
borderline monitoring stations, please include its data.

To allow for easy comparison with previously published findings, please
include the "site ID / diffusion tube" number for all records returned. My
preferred way to receive this data is Excel.

Response

1- The diffusion tubes are replaced on a monthly basis following DEFRA's
specific exposure calendar which is available here:
[2]https://laqm.defra.gov.uk/air-quality/ai...
. This is something that we need to follow scrupulously as it's a
condition part of the LAQM regime that all LAs need to follow

2- Attached, you can find the lab results of our diffusion tubes for the
months of January and February 2022 as we receive them

Notes:

- The laboratory that provides the analysis of our diffusion tubes has
changed - The new lab (Socotec) has replaced South Yorkshire Air Quality
Samplers (SYAQS) - they will use different methodologies/procedures to
calculate NO2 concentrations, and hence there will be different systematic
errors associated with the results -  this will make any comparison of
unratified/unverified/unapproved data between labs a completely pointless
exercise - these datasets will only be comparable between labs once the
results are fully corrected and ratified

If you disagree with any part of the response to your request, you are
entitled to ask the Council for an internal review of the decision(s)
made.  You may do this by writing to the Monitoring Officer, by either
email – [3][email address] – or by post to Monitoring Officer, Oxford
City Council, St Aldate’s Chambers, St Aldate’s, Oxford, OX1 1DS.  After
the result of the internal review, if you remain dissatisfied, you may ask
the Information Commissioner to intervene on your behalf.  You may do this
by writing to the Information Commissioner's Office, Wycliffe Lane,
Wilmslow, Cheshire, SK9 5AF.

Yours sincerely

Elizabeth Godin | Information Governance Manager | Law and Governance |
SAC 3.8 | Oxford City Council | St Aldates Chambers | 109-113 St.
Aldate's | Oxford | OX1 1DS 

Website: [4]www.oxford.gov.uk | Follow us on Twitter:
[5]www.twitter.com/OxfordCity | Like us on Facebook:
[6]www.facebook.com/OxfordCityCouncil

Dear Mr Parnham,

Thank you for your email below.  We received your request on 14th April 
2022, and you will be sent a response within 20 working days (of receipt)
in accordance with the Freedom of Information Act 2000/ Environmental
Information Regulations 2004 (EIR), subject to the information not being
exempt or containing reference to a third party.

Yours sincerely,

Joyce Fagan

Information Governance Requests Officer

Joyce Fagan | Information Governance Requests Officer | Oxford City
Council | Law and Governance | St. Aldate's Chambers | Oxford | OX1 1DS

References

Visible links
1. https://oxfordshire.air-quality.info/
2. https://laqm.defra.gov.uk/air-quality/ai...
3. mailto:[email address]
4. http://www.oxford.gov.uk/
5. http://www.twitter.com/OxfordCity
6. http://www.facebook.com/OxfordCityCouncil