Air Pollution in Montjay: Real-time Air Quality Index and smog alert.

Current data from stations: LES ULIS
Locations: « Les Ulis Montjay
Pollution and air quality forecast for Montjay. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Montjay:
  1. ozone (O3) - 5 (Good)
Real-time Air Quality Index (AQI) for Montjay, Wednesday, January 17, 2024: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Montjay today? Is the air polluted in Montjay?. 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 Montjay.


How is the O3 level today in Montjay? (ozone (O3))
5 (Good)



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

O3 5 (Good)

Data on air pollution from recent days in Montjay

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 Montjay 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