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 hours07:59 14/12 - 07:59 15/124.381Low
PM10 Particles24 hours07:59 14/12 - 07:59 15/126.361Low
Ozone8 hours23:59 14/12 - 07:59 15/1268.113Low
Nitrogen Dioxide1 hour06:59 15/12 - 07:59 15/120.931Low
Sulphur Dioxide15 mins07:44 15/12 - 07:59 15/12DataNotAvailable

Today and Yesterday

Average for: (UTC) Species [µg/m3]
PM2.5PM10OzoneNO2SO2
14/12/20194.90 7.11 64.04 5.00 N/A
 
0:00 - 1:00 15/12/2019 6.51 8.79 56.08 5.98 N/A
1:00 - 2:00 15/12/2019 3.55 4.77 62.51 3.65 N/A
2:00 - 3:00 15/12/2019 1.06 1.42 68.63 1.24 N/A
3:00 - 4:00 15/12/2019 0.70 0.93 70.47 0.86 N/A
4:00 - 5:00 15/12/2019 0.99 1.42 69.47 0.99 N/A
5:00 - 6:00 15/12/2019 1.25 2.06 73.68 0.70 N/A
6:00 - 7:00 15/12/2019 2.14 3.31 72.55 0.71 N/A