Air Quality Index

Although values are related to the Defra banding, this is unchecked raw data and may have gaps and inaccuracies.

Band and Index

Low 1Low 2Low 3 Moderate 4Moderate 5Moderate 6 High 7High 8High 9 Very High 10

Current Values

SpeciesAveraging IntervalTime UTC[µg/m3]IndexBand
PM2.5 Particles24 hours08:19 27/01 - 08:19 28/0110.051Low
PM10 Particles24 hours08:19 27/01 - 08:19 28/0112.621Low
Ozone8 hours00:19 28/01 - 08:19 28/0146.832Low
Nitrogen Dioxide1 hour07:19 28/01 - 08:19 28/017.701Low
Sulphur Dioxide15 mins08:04 28/01 - 08:19 28/010.061Low

Today and Yesterday

Average for: (UTC) Species [µg/m3]
PM2.5PM10OzoneNO2SO2
27/01/202111.76 14.03 35.47 11.14 0.17
 
0:00 - 1:00 28/01/2021 5.87 7.38 49.52 3.89 0.07
1:00 - 2:00 28/01/2021 6.90 8.77 49.47 3.40 0.10
2:00 - 3:00 28/01/2021 9.64 16.93 47.64 2.88 0.09
3:00 - 4:00 28/01/2021 5.89 6.81 44.54 5.37 0.11
4:00 - 5:00 28/01/2021 4.88 5.66 38.64 13.56 0.13
5:00 - 6:00 28/01/2021 2.60 2.96 43.22 11.66 0.13
6:00 - 7:00 28/01/2021 3.20 3.87 50.63 5.67 0.06
7:00 - 8:00 28/01/2021 3.39 3.98 50.21 7.40 0.10

(All data displayed are preliminary and have not been subject to quality control)
envSoft@uea.ac.uk 2020 Alex Etchells