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Brno Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Jihomoravsky Kraj

Last Updated: 2025-08-21 10:41:02 AM (Local Time)

location image
Live AQI
54(AQI-US)
Air Quality is
Moderate
pm10 :  35 µg/m³
PM2.5 :  11 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Brno
partly cloudy

20 °C

Partly Cloudy
Humidity
Humidity60 %
Wind Speed
Wind Speed8 km/h
UV Index
UV Index2
Last Updated: 2025-08-21 10:41:02 AM (Local Time)
Map

Brno

Major Air Pollutants

Brno

PM2.5's Icon

Particulate Matter(PM2.5)

11µg/m³

PM10's Icon

Particulate Matter(PM10)

35µg/m³

CO's Icon

Carbon Monoxide(CO)

39ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

11ppb

O3's Icon

Ozone(O3)

25ppb

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AQI Graph

Historical Air Quality Data

Brno

24 Hours
AQI
Brno
AQI
.
20-08-2025Time21-08-2025
29
Min.at 7:10 PM on 20th Aug
52
Max.at 10:10 AM on 21st Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Brno, Jihomoravsky Kraj, Czechia

AQI
Year
.
AQI

Annual AQI Trends

2020
47AQI
2021
52AQI
11%
Rise
2022
53AQI
2%
Rise
2023
45AQI
-15%
Fall
2024
51AQI
13%
Rise
2025
49AQI
-4%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
1%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedDecember, 202091AQI
Least PollutedMay, 202531AQI

* This data analysis is from year 2020 - 2025

Brno's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
55
11
30
19
67
Moderate
52
10
35
20
66
Moderate
68
18
45
20
65
Moderate
54
11
34
20
62
Moderate
65
17
31
20
59
Good
48
9
34
20
66
Good
49
9
28
19
66
Moderate
52
10
39
20
62
Moderate
52
10
39
20
67
Good
46
8
34
19
66
Moderate
52
9
35
19
66

Czechia's Metro Cities

Air Quality Index

Brno City AQI

Brno

54

temp.20°C
hum.60%
Liberec City AQI

Liberec

39

temp.21°C
hum.60%
Olomouc City AQI

Olomouc

52

temp.20°C
hum.60%
Prague City AQI

Prague

52

temp.18°C
hum.73%

Air Quality Calendar 2025

Brno

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
85
2 Jan
87
3 Jan
56
4 Jan
37
5 Jan
62
6 Jan
75
7 Jan
77
8 Jan
56
9 Jan
57
10 Jan
27
11 Jan
27
12 Jan
24
13 Jan
32
14 Jan
69
15 Jan
72
16 Jan
56
17 Jan
61
18 Jan
76
19 Jan
71
20 Jan
54
21 Jan
63
22 Jan
72
23 Jan
65
24 Jan
82
25 Jan
70
26 Jan
67
27 Jan
56
28 Jan
45
29 Jan
35
30 Jan
55
31 Jan
63
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
58
2 Feb
61
3 Feb
76
4 Feb
96
5 Feb
113
6 Feb
63
7 Feb
87
8 Feb
77
9 Feb
69
10 Feb
88
11 Feb
124
12 Feb
80
13 Feb
88
14 Feb
86
15 Feb
74
16 Feb
68
17 Feb
78
18 Feb
75
19 Feb
88
20 Feb
96
21 Feb
91
22 Feb
83
23 Feb
107
24 Feb
133
25 Feb
125
26 Feb
136
27 Feb
114
28 Feb
59
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
60
2 Mar
54
3 Mar
65
4 Mar
83
5 Mar
88
6 Mar
91
7 Mar
81
8 Mar
89
9 Mar
94
10 Mar
70
11 Mar
62
12 Mar
50
13 Mar
30
14 Mar
55
15 Mar
55
16 Mar
46
17 Mar
45
18 Mar
42
19 Mar
60
20 Mar
70
21 Mar
76
22 Mar
67
23 Mar
53
24 Mar
70
25 Mar
75
26 Mar
73
27 Mar
51
28 Mar
67
29 Mar
77
30 Mar
60
31 Mar
28
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
46
2 Apr
59
3 Apr
50
4 Apr
46
5 Apr
46
6 Apr
26
7 Apr
21
8 Apr
30
9 Apr
34
10 Apr
42
11 Apr
46
12 Apr
47
13 Apr
45
14 Apr
49
15 Apr
50
16 Apr
49
17 Apr
50
18 Apr
29
19 Apr
24
20 Apr
25
21 Apr
43
22 Apr
23
23 Apr
28
24 Apr
44
25 Apr
25
26 Apr
29
27 Apr
28
28 Apr
33
29 Apr
42
30 Apr
40
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
50
2 May
37
3 May
49
4 May
29
5 May
28
6 May
34
7 May
39
8 May
26
9 May
29
10 May
29
11 May
26
12 May
37
13 May
36
14 May
42
15 May
32
16 May
20
17 May
23
18 May
17
19 May
20
20 May
33
21 May
36
22 May
38
23 May
24
24 May
26
25 May
28
26 May
29
27 May
30
28 May
31
29 May
18
30 May
25
31 May
36
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
33
2 Jun
36
3 Jun
37
4 Jun
37
5 Jun
27
6 Jun
27
7 Jun
20
8 Jun
20
9 Jun
22
10 Jun
35
11 Jun
45
12 Jun
42
13 Jun
37
14 Jun
32
15 Jun
41
16 Jun
41
17 Jun
34
18 Jun
40
19 Jun
50
20 Jun
35
21 Jun
30
22 Jun
26
23 Jun
38
24 Jun
36
25 Jun
32
26 Jun
34
27 Jun
30
28 Jun
26
29 Jun
29
30 Jun
30
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
29
2 Jul
28
3 Jul
38
4 Jul
37
5 Jul
32
6 Jul
37
7 Jul
36
8 Jul
27
9 Jul
23
10 Jul
21
11 Jul
21
12 Jul
23
13 Jul
27
14 Jul
31
15 Jul
32
16 Jul
35
17 Jul
29
18 Jul
28
19 Jul
29
20 Jul
35
21 Jul
47
22 Jul
37
23 Jul
31
24 Jul
35
25 Jul
38
26 Jul
47
27 Jul
45
28 Jul
45
29 Jul
41
30 Jul
40
31 Jul
33
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
31
2 Aug
35
3 Aug
32
4 Aug
35
5 Aug
37
6 Aug
36
7 Aug
34
8 Aug
43
9 Aug
48
10 Aug
56
11 Aug
55
12 Aug
47
13 Aug
49
14 Aug
56
15 Aug
59
16 Aug
62
17 Aug
55
18 Aug
38
19 Aug
28
20 Aug
31
21 Aug
-
22 Aug
-
23 Aug
-
24 Aug
-
25 Aug
-
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Brno

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Brno

  • asthma due to air pollution in BrnoAsthma
  • heart due to air pollution in BrnoHeart Issues
  • allergy due to air pollution in BrnoAllergies
  • sinus due to air pollution in BrnoSinus
  • flu due to air pollution in BrnoCold/Flu
  • copd due to air pollution in BrnoChronic (COPD)
asthma due to air pollution in Brno

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

Czechia

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Valasske Mezirici, Czechia

66
Moderate
4xabove Standard

2.

Kutna Hora, Czechia

63
Moderate
4xabove Standard

3.

Rosice, Czechia

63
Moderate
4xabove Standard

4.

Hranice, Czechia

62
Moderate
4xabove Standard

5.

Opava, Czechia

61
Moderate
4xabove Standard

6.

Karvina, Czechia

60
Moderate
4xabove Standard

7.

Valasske Mezirici, Czechia

60
Moderate
4xabove Standard

8.

Frydek Mistek, Czechia

60
Moderate
4xabove Standard

9.

Studenka, Czechia

59
Moderate
4xabove Standard

10.

Sumperk, Czechia

59
Moderate
4xabove Standard

Last Updated: 21 Aug 2025, 08:47 AM

AQI City Rankings

Air Quality Solutions For Brno

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
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Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

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Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Brno

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

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Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Brno

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Brno

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

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Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Brno

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Brno

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Brno

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Brno

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

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Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Brno

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Brno

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Brno

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Brno

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Brno's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Brno
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Brno

Frequently Asked Questions About Air Quality

What is the current AQI level in Brno?

The current real-time AQI level in Brno is 54 (Moderate). This was last updated 2025-08-21 10:41:02 AM (Local Time).

When was the best AQI level in Brno in the last 24 hours?

The best AQI level was 29 (Good) at 7:10 PM, Aug 20, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Brno in the last 24 hours?

The worst AQI level was 52 (Moderate) at 10:10 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Brno during last 24 hours?

The AQI levels in Brno have been fluctuating throughout the last 24 hours. The levels have increased by highest 52 at 10:10 AM (Local Time), lowest 29 at 7:10 PM, Aug 20, 2025 (Local Time).

What actions are recommended as per the current AQI level in Brno?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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26 Jul 2025Gyane Haobijam
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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor