Statistical data set
Figure 3: Weekday mean NO2 concentration at roadside, urban background and rural background sites, 2023
Updated 30 April 2024
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| Site type | Weekday | Number of sites | Mean NO2 concentration (µg/m3) | 95% confidence interval for 'All sites' (+/-) |
|---|---|---|---|---|
| Rural Background | Monday | 12 | 5.151620314 | 1.949351999 |
| Rural Background | Tuesday | 13 | 5.745276813 | 1.996504156 |
| Rural Background | Wednesday | 13 | 5.74377109 | 1.827294876 |
| Rural Background | Thursday | 13 | 5.220502627 | 1.67121799 |
| Rural Background | Friday | 13 | 5.323300013 | 1.754897453 |
| Rural Background | Saturday | 13 | 4.917915183 | 1.61232201 |
| Rural Background | Sunday | 13 | 4.606886029 | 1.489697369 |
| Urban Background | Monday | 60 | 14.25337011 | 1.222323971 |
| Urban Background | Tuesday | 60 | 15.62413007 | 1.288527597 |
| Urban Background | Wednesday | 60 | 14.77865158 | 1.299592676 |
| Urban Background | Thursday | 60 | 14.42912174 | 1.242596022 |
| Urban Background | Friday | 60 | 15.23678057 | 1.309541739 |
| Urban Background | Saturday | 60 | 13.50013574 | 1.226825892 |
| Urban Background | Sunday | 60 | 11.82542942 | 1.054326508 |
| Urban Traffic | Monday | 63 | 22.07066781 | 1.76231573 |
| Urban Traffic | Tuesday | 63 | 23.8263637 | 1.861358018 |
| Urban Traffic | Wednesday | 63 | 22.56862366 | 1.869701516 |
| Urban Traffic | Thursday | 62 | 22.7387268 | 1.895930238 |
| Urban Traffic | Friday | 62 | 24.25505789 | 1.947525412 |
| Urban Traffic | Saturday | 62 | 21.20510928 | 1.811308671 |
| Urban Traffic | Sunday | 63 | 17.84379407 | 1.559104959 |