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 |