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
17/07/2025	NULL	NULL	68.81	NULL	0.33
0:00 - 1:00 18/07/2025	NULL	NULL	56.20	NULL	0.30
1:00 - 2:00 18/07/2025	NULL	NULL	123.96	NULL	0.28
2:00 - 3:00 18/07/2025	NULL	NULL	39.02	NULL	0.26
3:00 - 4:00 18/07/2025	NULL	NULL	27.27	NULL	0.32
4:00 - 5:00 18/07/2025	NULL	NULL	18.52	NULL	0.25
5:00 - 6:00 18/07/2025	NULL	NULL	15.88	NULL	0.25
6:00 - 7:00 18/07/2025	NULL	NULL	16.54	NULL	0.32
7:00 - 8:00 18/07/2025	NULL	NULL	19.56	NULL	0.36
8:00 - 9:00 18/07/2025	NULL	NULL	27.41	NULL	0.43
9:00 - 10:00 18/07/2025	NULL	NULL	25.04	NULL	0.34
10:00 - 11:00 18/07/2025	NULL	NULL	37.84	NULL	0.31
11:00 - 12:00 18/07/2025	NULL	NULL	41.22	NULL	0.40
12:00 - 13:00 18/07/2025	NULL	NULL	31.58	NULL	0.36
13:00 - 14:00 18/07/2025	NULL	NULL	53.40	NULL	0.39
14:00 - 15:00 18/07/2025	NULL	NULL	68.82	NULL	0.30
15:00 - 16:00 18/07/2025	NULL	NULL	61.17	NULL	0.32
16:00 - 17:00 18/07/2025	NULL	NULL	49.43	NULL	0.27
17:00 - 18:00 18/07/2025	NULL	NULL	55.35	NULL	0.31
18:00 - 19:00 18/07/2025	NULL	NULL	69.56	NULL	0.52
19:00 - 20:00 18/07/2025	NULL	NULL	69.55	NULL	0.52
20:00 - 21:00 18/07/2025	NULL	NULL	69.69	NULL	0.43
21:00 - 22:00 18/07/2025	NULL	NULL	44.81	NULL	0.38