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

Current data from stations: 41B004 - STE.CATHERI 41R001 - MOLENBEEK
Locations: « City of Brussels Brussels
Pollution and air quality forecast for Brussels. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Brussels:
  1. nitrogen dioxide (NO2) - 55 (Moderate)
  2. particulate matter (PM2.5) dust - 12 (Good)
  3. ozone (O3) - 5 (Good)
  4. sulfur dioxide (SO2) - 4 (Good)
  5. carbon monoxide (CO) - 430 (Good)
  6. particulate matter (PM10) suspended dust - 20 (Moderate)
Real-time Air Quality Index (AQI) for Brussels, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Brussels today? Is the air polluted in Brussels?. Is there smog?

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


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

What is the current level of PM2.5 in Brussels? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 12 (Good) For comparison, the highest level of PM2.5 in Brussels in the last 7 days was: 26 (Thursday, January 11, 2024) and the lowest: 7 (Monday, January 15, 2024). The highest PM2.5 values were recorded: 21 (May 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: October (4.1).

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

What is the level of SO2 pollution? (sulfur dioxide (SO2))
4 (Good)

How high is the CO level? (carbon monoxide (CO))
430 (Good)

What is the level of PM10 today in Brussels? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Brussels is: 20 (Moderate) The highest PM10 values usually occur in month: 32 (February 2019). The lowest value of particulate matter PM10 pollution in Brussels is usually recorded in: October (6.5).



Current data Wednesday, January 17, 2024, 10:00 AM

NO2 55 (Moderate)

PM2,5 12 (Good)

O3 5 (Good)

SO2 4 (Good)

CO 430 (Good)

PM10 20 (Moderate)

Data on air pollution from recent days in Brussels

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
no2 49
Moderate
52
Moderate
53
Moderate
29
Good
17
Good
29
Good
36
Good
37
Good
pm10 25
Moderate
34
Moderate
26
Moderate
23
Moderate
20
Moderate
11
Good
18
Good
14
Good
pm25 18
Moderate
26
Moderate
18
Moderate
18
Moderate
17
Moderate
7
Good
11
Good
10
Good
so2 5
Good
5
Good
3
Good
3
Good
3
Good
3
Good
3
Good
3
Good
o3 9
Good
6
Good
12
Good
24
Good
25
Good
34
Good
24
Good
20
Good
co 504
Good
620
Good
435
Good
337
Good
284
Good
285
Good
331
Good
340
Good
data source »
Air pollution in Brussels from September 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 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 15 (Good) 19 (Good) 20 (Good) 14 (Good) 24 (Good) 18 (Good) 14 (Good) 11 (Good) 9.9 (Good) 26 (Good) 27 (Good) 27 (Good) 24 (Good) 53 (Moderate) 20 (Good) 34 (Good) 32 (Good) 30 (Good) 20 (Good) 26 (Good) 22 (Good) 38 (Good) 31 (Good) 37 (Good) 39 (Good) 31 (Good) 35 (Good) 40 (Good) 22 (Good) 45 (Moderate)
co 0.18 (Good) 0.21 (Good) 0.24 (Good) 0.18 (Good) 0.25 (Good) 0.2 (Good) 0.14 (Good) 0.08 (Good) 0.11 (Good) 0.19 (Good) 0.2 (Good) 0.25 (Good) 0.24 (Good) 0.41 (Good) 0.17 (Good) 0.3 (Good) 0.24 (Good) 0.21 (Good) 0.17 (Good) 0.18 (Good) 0.16 (Good) 0.26 (Good) 0.24 (Good) 0.3 (Good) 0.31 (Good) 0.26 (Good) 0.28 (Good) 3 (Good) 19 (Good) 35 (Good)
o3 62 (Good) 59 (Good) 49 (Good) 46 (Good) 27 (Good) 15 (Good) 11 (Good) 9.1 (Good) 48 (Good) 43 (Good) 42 (Good) 47 (Good) 46 (Good) 14 (Good) 43 (Good) 17 (Good) 19 (Good) 26 (Good) 37 (Good) 47 (Good) 41 (Good) 41 (Good) 46 (Good) 35 (Good) 25 (Good) 32 (Good) 25 (Good) 18 (Good) 30 (Good) 7.2 (Good)
pm25 11 (Good) 14 (Moderate) 10 (Good) 6.5 (Good) 11 (Good) 9.3 (Good) 5.6 (Good) 4.1 (Good) 4.3 (Good) 12 (Good) 14 (Moderate) 20 (Moderate) 19 (Moderate) 14 (Moderate) 6.5 (Good) 14 (Moderate) 13 (Good) 13 (Moderate) 7.6 (Good) 11 (Good) 14 (Moderate) 21 (Moderate) 17 (Moderate) 16 (Moderate) 21 (Moderate) 8.7 (Good) 12 (Good) 13 (Good) 9.1 (Good) 21 (Moderate)
so2 20 (Good) 26 (Good) 18 (Good) 19 (Good) 26 (Good) 5.7 (Good) 22 (Good) 23 (Good) 11 (Good) 9.8 (Good) 12 (Good) 15 (Good) 8.7 (Good) 20 (Good) 5.4 (Good) 52 (Moderate) 42 (Good) 40 (Good) 36 (Good) 38 (Good) 33 (Good) 36 (Good) 34 (Good) 35 (Good) 41 (Good) 31 (Good) 28 (Good) 35 (Good) 24 (Good) 31 (Good)
pm10 17 (Good) 23 (Moderate) 16 (Good) 12 (Good) 15 (Good) 12 (Good) 7.6 (Good) 6.5 (Good) 9 (Good) 20 (Good) 20 (Moderate) 27 (Moderate) 17 (Good) 32 (Moderate) 13 (Good) 17 (Good) 20 (Good) 21 (Moderate) 13 (Good) 19 (Good) 21 (Moderate) 30 (Moderate) 24 (Moderate) 20 (Moderate) 26 (Moderate) 13 (Good) 15 (Good) 21 (Moderate) 17 (Good) 30 (Moderate)
data source »

Quality of life in Brussels

Green and Parks in the City

Brussels 70%

Luxembourg: 83% Netherlands: 82% Germany: 78% Switzerland: 76% France: 61%

particulate matter PM2.5

Brussels 18 (Moderate)

Pleasure of spending time in the city

Brussels 55%

Luxembourg: 85% Netherlands: 88% Germany: 80% Switzerland: 84% France: 68%

particulate matter PM10

Brussels 26 (Moderate)

Air Pollution

Brussels 63%

Luxembourg: 19% Netherlands: 21% Germany: 25% Switzerland: 20% France: 36%

Garbage Disposal

Brussels 44%

Luxembourg: 84% Netherlands: 79% Germany: 74% Switzerland: 82% France: 59%

Availability and quality of drinking water

Brussels 64%

Luxembourg: 83% Netherlands: 92% Germany: 82% Switzerland: 90% France: 73%

Cleanliness and tidiness

Brussels 36%

Luxembourg: 82% Netherlands: 77% Germany: 65% Switzerland: 82% France: 48%

Noise and Light pollution

Brussels 55%

Luxembourg: 29% Netherlands: 31% Germany: 42% Switzerland: 38% France: 54%

Water Pollution

Brussels 44%

Luxembourg: 19% Netherlands: 17% Germany: 23% Switzerland: 19% France: 39%
Source: Numbeo


41B004 - STE.CATHERI

Wednesday, January 17, 2024, 10:00 AM

NO2 57 (Moderate)

nitrogen dioxide (NO2)

41R001 - MOLENBEEK

Wednesday, January 17, 2024, 10:00 AM

PM2,5 12 (Good)

particulate matter (PM2.5) dust

O3 5 (Good)

ozone (O3)

NO2 53 (Moderate)

nitrogen dioxide (NO2)

SO2 3.8 (Good)

sulfur dioxide (SO2)

CO 430 (Good)

carbon monoxide (CO)

PM10 20 (Moderate)

particulate matter (PM10) suspended dust

41B004 - STE.CATHERI

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 39 36 29 19 31 53 54 49

41R001 - MOLENBEEK

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
pm10 14 18 11 20 23 26 34 25
pm25 9.8 11 7 17 18 18 26 18
so2 3.2 3.1 2.7 2.7 2.9 3.3 4.6 5
o3 20 24 34 25 24 12 6.4 8.6
co 340 331 285 284 337 435 620 504
no2 36 35 29 16 28 53 51 49

BETB004

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 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 15 21 22 16 25 20 15 11 8.8 26 22 24 24 52 20 35 32 28 19 28 22 36 34 38 41 31 37 41 22 44
o3 61 58 48 38 21 12 11 7.8 45 39 39 44 48 14 43 16 18 26 36 46 40 41 43 31 24 29 22 16 28 5.9
co 0.15 0.19 0.21 0.16 0.22 0.18 0.13 0.04 0.1 0.17 0.17 0.22 0.22 0.37 0.14 0.25 0.2 0.17 0.13 0.13 0.13 0.21 0.18 0.27 0.24 0.22 0.23 2.7 16 30

BETR001

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 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
pm25 11 14 10 6.5 11 9.3 5.6 4.1 4.3 12 14 20 19 14 6.5 14 13 13 7.6 11 14 21 17 16 21 8.7 12 13 9.1 21
pm10 17 23 16 12 15 12 7.6 6.5 9 20 20 27 17 32 13 17 20 21 13 19 21 30 24 20 26 13 15 21 17 30
co 0.21 0.24 0.27 0.21 0.27 0.23 0.16 0.11 0.11 0.22 0.23 0.28 0.26 0.46 0.2 0.35 0.28 0.25 0.21 0.22 0.2 0.32 0.29 0.33 0.38 0.3 0.32 3.3 21 39
so2 20 26 18 19 26 5.7 22 23 11 9.8 12 15 8.7 20 5.4 52 42 40 36 38 33 36 34 35 41 31 28 35 24 31
no2 15 18 18 13 22 16 14 12 11 27 32 30 25 54 21 34 32 31 20 25 22 39 29 36 38 30 33 39 23 45
o3 64 59 49 53 32 18 10 10 51 47 46 51 44 14 - 17 19 26 39 49 42 41 50 38 27 36 27 20 32 8.6

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