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	08:19 27/01 - 08:19 28/01	10.05	1	Low
PM10 Particles	24 hours	08:19 27/01 - 08:19 28/01	12.62	1	Low
Ozone	8 hours	00:19 28/01 - 08:19 28/01	46.83	2	Low
Nitrogen Dioxide	1 hour	07:19 28/01 - 08:19 28/01	7.70	1	Low
Sulphur Dioxide	15 mins	08:04 28/01 - 08:19 28/01	0.06	1	Low

Today and Yesterday

Average for: (UTC)	Species [µg/m3]
	PM2.5	PM10	Ozone	NO2	SO2
27/01/2021	11.76	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