Air Pollution in Les Ulis: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Les Ulis. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Les Ulis:- ozone (O3) - 5 (Good)
What is the air quality in Les Ulis today? Is the air polluted in Les Ulis?. Is there smog?
Today (Wednesday, January 17, 2024) air quality is good.
The air quality has no effect on health. Everyone can continue their outdoor activities normally in Les Ulis.
How is the O3 level today in Les Ulis? (ozone (O3))
5 (Good)
Current data Wednesday, January 17, 2024, 9:00 AM
O3 5 (Good)
Data on air pollution from recent days in Les Ulis
index
2024-01-10
2024-01-11
2024-01-12
2024-01-13
2024-01-14
2024-01-15
2024-01-16
2024-01-17
o3
13
Good
11
Good
39
Good
29
Good
36
Good
35
Good
29
Good
20
Good
data source »
Air pollution in Les Ulis from September 2017 to May 2020
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
o3
71 (Moderate)
83 (Moderate)
65 (Good)
57 (Good)
40 (Good)
43 (Good)
40 (Good)
44 (Good)
57 (Good)
68 (Good)
80 (Moderate)
72 (Moderate)
75 (Moderate)
76 (Moderate)
73 (Moderate)
44 (Good)
47 (Good)
42 (Good)
29 (Good)
45 (Good)
61 (Good)
68 (Good)
92 (Moderate)
70 (Moderate)
81 (Moderate)
72 (Moderate)
61 (Good)
38 (Good)
45 (Good)
39 (Good)
33 (Good)
36 (Good)
33 (Good)
data source »
LES ULIS
Wednesday, January 17, 2024, 9:00 AM
O3 5.4 (Good)
ozone (O3)
LES ULIS
index
2024-01-17
2024-01-16
2024-01-15
2024-01-14
2024-01-13
2024-01-12
2024-01-11
2024-01-10
o3
20
29
35
36
29
39
11
13
FR04049
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
o3
71
83
65
57
40
43
40
44
57
68
80
72
75
76
73
44
47
42
29
45
61
68
92
70
81
72
61
38
45
39
33
36
33
* Pollution data source:
https://openaq.org
(EEA France)
The data is licensed under CC-By 4.0
O3 5 (Good)
Data on air pollution from recent days in Les Ulis
| index | 2024-01-10 | 2024-01-11 | 2024-01-12 | 2024-01-13 | 2024-01-14 | 2024-01-15 | 2024-01-16 | 2024-01-17 |
|---|---|---|---|---|---|---|---|---|
| o3 | 13 Good |
11 Good |
39 Good |
29 Good |
36 Good |
35 Good |
29 Good |
20 Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 71 (Moderate) | 83 (Moderate) | 65 (Good) | 57 (Good) | 40 (Good) | 43 (Good) | 40 (Good) | 44 (Good) | 57 (Good) | 68 (Good) | 80 (Moderate) | 72 (Moderate) | 75 (Moderate) | 76 (Moderate) | 73 (Moderate) | 44 (Good) | 47 (Good) | 42 (Good) | 29 (Good) | 45 (Good) | 61 (Good) | 68 (Good) | 92 (Moderate) | 70 (Moderate) | 81 (Moderate) | 72 (Moderate) | 61 (Good) | 38 (Good) | 45 (Good) | 39 (Good) | 33 (Good) | 36 (Good) | 33 (Good) |
O3 5.4 (Good)
ozone (O3)LES ULIS
| index | 2024-01-17 | 2024-01-16 | 2024-01-15 | 2024-01-14 | 2024-01-13 | 2024-01-12 | 2024-01-11 | 2024-01-10 |
|---|---|---|---|---|---|---|---|---|
| o3 | 20 | 29 | 35 | 36 | 29 | 39 | 11 | 13 |
FR04049
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 71 | 83 | 65 | 57 | 40 | 43 | 40 | 44 | 57 | 68 | 80 | 72 | 75 | 76 | 73 | 44 | 47 | 42 | 29 | 45 | 61 | 68 | 92 | 70 | 81 | 72 | 61 | 38 | 45 | 39 | 33 | 36 | 33 |