Air Pollution in Arrondissement de Palaiseau: Real-time Air Quality Index and smog alert.

Current data from stations: LES ULIS RN20 - MONTLHERY
Locations: « Essonne Arrondissement de Palaiseau Montlhéry » Les Ulis »
Pollution and air quality forecast for Arrondissement de Palaiseau. Today is Saturday, May 18, 2024. The following air pollution values have been recorded for Arrondissement de Palaiseau:
  1. ozone (O3) - 5 (Good)
  2. nitrogen dioxide (NO2) - 54 (Moderate)
  3. particulate matter (PM2.5) dust - 16 (Moderate)
Real-time Air Quality Index (AQI) for Arrondissement de Palaiseau, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Arrondissement de Palaiseau today? Is the air polluted in Arrondissement de Palaiseau?. Is there smog?

Today (Wednesday, January 17, 2024) air quality is moderate in Arrondissement de Palaiseau. Some pollutants in Arrondissement de Palaiseau may slightly affect very few hypersensitive individuals. Air pollutants in Arrondissement de Palaiseau may cause minor breathing discomfort to sensitive people.


How is the O3 level today in Arrondissement de Palaiseau? (ozone (O3))
5 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
54 (Moderate)

What is the current level of PM2.5 in Arrondissement de Palaiseau? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 16 (Moderate) For comparison, the highest level of PM2.5 in Arrondissement de Palaiseau in the last 7 days was: 39 (Tuesday, January 16, 2024) and the lowest: 19 (Wednesday, January 17, 2024).



Current data Wednesday, January 17, 2024, 9:00 AM

O3 5 (Good)

NO2 54 (Moderate)

128 (Good)

PM2,5 16 (Moderate)

Data on air pollution from recent days in Arrondissement de Palaiseau

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
no2 41
Moderate
54
Moderate
47
Moderate
43
Moderate
41
Moderate
58
Moderate
69
Moderate
35
Good
pm25 31
Moderate
33
Moderate
20
Moderate
23
Moderate
24
Moderate
29
Moderate
39
Unhealthy for Sensitive Groups
19
Moderate
no 76
Good
70
Good
56
Good
83
Good
75
Good
135
Good
185
Good
62
Good
data source »

Air pollution in Arrondissement de Palaiseau 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)
no2 32 (Good) 36 (Good) 44 (Moderate) 51 (Moderate) 59 (Moderate) 59 (Moderate) 61 (Moderate) 54 (Moderate) 58 (Moderate) 55 (Moderate) 57 (Moderate) 54 (Moderate) 57 (Moderate) 66 (Moderate) 59 (Moderate) 84 (Moderate) 64 (Moderate) 55 (Moderate) 57 (Moderate) 66 (Moderate) 69 (Moderate) 54 (Moderate) 66 (Moderate) 51 (Moderate) 64 (Moderate) 74 (Moderate) 73 (Moderate) 60 (Moderate) 59 (Moderate) 64 (Moderate) 69 (Moderate) 67 (Moderate) 84 (Moderate)
data source »

LES ULIS

Wednesday, January 17, 2024, 9:00 AM

O3 5.4 (Good)

ozone (O3)

RN20 - MONTLHERY

Wednesday, January 17, 2024, 9:00 AM

NO2 54 (Moderate)

nitrogen dioxide (NO2)

128 (Good)

index_name_no

PM2,5 16 (Moderate)

particulate matter (PM2.5) dust

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

RN20 - MONTLHERY

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
no2 35 69 58 41 43 47 54 41
pm25 19 39 29 24 23 20 33 31
no 62 185 135 75 83 56 70 76

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

FR04180

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
no2 32 36 44 51 59 59 61 54 58 55 57 54 57 66 59 84 64 55 57 66 69 54 66 51 64 74 73 60 59 64 69 67 84

* Pollution data source: https://openaq.org (EEA France) The data is licensed under CC-By 4.0