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
04/07/2025	NULL	NULL	65.85	NULL	1.09
0:00 - 1:00 05/07/2025	NULL	NULL	58.05	NULL	1.17
1:00 - 2:00 05/07/2025	NULL	NULL	132.07	NULL	1.06
2:00 - 3:00 05/07/2025	NULL	NULL	57.51	NULL	0.93
3:00 - 4:00 05/07/2025	NULL	NULL	55.65	NULL	0.92
4:00 - 5:00 05/07/2025	NULL	NULL	53.99	NULL	0.95
5:00 - 6:00 05/07/2025	NULL	NULL	52.12	NULL	0.88
6:00 - 7:00 05/07/2025	NULL	NULL	48.70	NULL	0.96
7:00 - 8:00 05/07/2025	NULL	NULL	47.94	NULL	0.91
8:00 - 9:00 05/07/2025	NULL	NULL	49.25	NULL	0.88
9:00 - 10:00 05/07/2025	NULL	NULL	52.15	NULL	0.82
10:00 - 11:00 05/07/2025	NULL	NULL	53.46	NULL	0.83
11:00 - 12:00 05/07/2025	NULL	NULL	57.55	NULL	0.98
12:00 - 13:00 05/07/2025	NULL	NULL	57.08	NULL	1.03
13:00 - 14:00 05/07/2025	NULL	NULL	49.59	NULL	0.90
14:00 - 15:00 05/07/2025	NULL	NULL	49.50	NULL	0.82
15:00 - 16:00 05/07/2025	NULL	NULL	49.86	NULL	0.83
16:00 - 17:00 05/07/2025	NULL	NULL	50.96	NULL	0.93
17:00 - 18:00 05/07/2025	NULL	NULL	53.15	NULL	0.86
18:00 - 19:00 05/07/2025	NULL	NULL	54.43	NULL	0.84
19:00 - 20:00 05/07/2025	NULL	NULL	53.04	NULL	0.95
20:00 - 21:00 05/07/2025	NULL	NULL	53.11	NULL	0.96