Weybourne Atmospheric Observatory

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 1

Low 2

Low 3

Moderate 4

Moderate 5

Moderate 6

High 7

High 8

High 9

Very High 10

Current Values

Species	Averaging Interval	Time UTC	[µg/m3]	Index	Band
PM2.5 Particles	24 hours	11:33 14/12 - 00:00 15/12
PM10 Particles	24 hours	11:33 14/12 - 00:00 15/12
Ozone	8 hours	03:33 15/12 - 00:00 15/12
Nitrogen Dioxide	1 hour	10:33 15/12 - 00:00 15/12
Sulphur Dioxide	15 mins	11:18 15/12 - 00:00 15/12

Today and Yesterday

Average for: (UTC)	Species [µg/m3]
	PM2.5	PM10	Ozone	NO2	SO2
01/07/2025	NULL	NULL	79.91	NULL	0.99
0:00 - 1:00 02/07/2025	NULL	NULL	55.82	NULL	0.76
1:00 - 2:00 02/07/2025	NULL	NULL	141.19	NULL	0.77
2:00 - 3:00 02/07/2025	NULL	NULL	69.39	NULL	0.81
3:00 - 4:00 02/07/2025	NULL	NULL	65.02	NULL	0.76