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Bielefeld Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in North Rhine Westphalia

Last Updated: 2025-05-25 09:39:26 PM (Local Time)

location image
Live AQI
18
Air Quality is
Good
pm10 :  9 µg/m³
PM2.5 :  3 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level in Bielefeld
moderate rain at times

15 °C

Moderate rain at times
Humidity
Humidity82 %
Wind Speed
Wind Speed9 km/h
UV Index
UV Index0
Last Updated: 2025-05-25 09:39:26 PM (Local Time)
Map

Bielefeld

Major Air Pollutants

Bielefeld

PM2.5's Icon

Particulate Matter(PM2.5)

3µg/m³

PM10's Icon

Particulate Matter(PM10)

9µg/m³

CO's Icon

Carbon Monoxide(CO)

34ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

6ppb

O3's Icon

Ozone(O3)

28ppb

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AQI Graph

Historical Air Quality Data

Bielefeld

24 Hours
AQI
Bielefeld

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Bielefeld, North Rhine Westphalia, Germany

AQI
Year
.
AQI

Annual AQI Trends

2020
20AQI
2021
27AQI
35%
Rise
2022
35AQI
30%
Rise
2023
36AQI
3%
Rise
2024
36AQI
0%
No Change
2025
48AQI
33%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
20%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedFebruary, 202569AQI
Least PollutedJanuary, 202115AQI

* This data analysis is from year 2020 - 2025

Bielefeld's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Bielefeld Detmolder Strasse
Good
18
3
9
18
70
Bielefeld Herforder Strasse
Good
18
3
9
22
68
Bielefeld Ost
Good
18
3
9
18
69

Germany's Metro Cities

Air Quality Index

Berlin City AQI

Berlin

36

temp.14°C
hum.100%
Hamburg City AQI

Hamburg

26

temp.15°C
hum.77%
Munich City AQI

Munich

29

temp.14°C
hum.82%

Air Quality Calendar 2025

Bielefeld

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
41
2 Jan
29
3 Jan
29
4 Jan
41
5 Jan
46
6 Jan
24
7 Jan
25
8 Jan
26
9 Jan
26
10 Jan
33
11 Jan
41
12 Jan
34
13 Jan
47
14 Jan
58
15 Jan
58
16 Jan
47
17 Jan
45
18 Jan
50
19 Jan
73
20 Jan
70
21 Jan
84
22 Jan
75
23 Jan
55
24 Jan
30
25 Jan
23
26 Jan
27
27 Jan
24
28 Jan
25
29 Jan
23
30 Jan
23
31 Jan
34
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
62
2 Feb
69
3 Feb
69
4 Feb
75
5 Feb
68
6 Feb
59
7 Feb
50
8 Feb
72
9 Feb
101
10 Feb
115
11 Feb
115
12 Feb
97
13 Feb
136
14 Feb
98
15 Feb
65
16 Feb
61
17 Feb
59
18 Feb
61
19 Feb
60
20 Feb
60
21 Feb
70
22 Feb
62
23 Feb
48
24 Feb
32
25 Feb
39
26 Feb
52
27 Feb
36
28 Feb
46
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
51
2 Mar
54
3 Mar
55
4 Mar
65
5 Mar
69
6 Mar
65
7 Mar
59
8 Mar
70
9 Mar
99
10 Mar
113
11 Mar
117
12 Mar
62
13 Mar
49
14 Mar
33
15 Mar
41
16 Mar
52
17 Mar
28
18 Mar
29
19 Mar
45
20 Mar
58
21 Mar
59
22 Mar
61
23 Mar
68
24 Mar
67
25 Mar
85
26 Mar
72
27 Mar
41
28 Mar
63
29 Mar
59
30 Mar
33
31 Mar
28
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
28
2 Apr
28
3 Apr
42
4 Apr
51
5 Apr
41
6 Apr
18
7 Apr
21
8 Apr
25
9 Apr
49
10 Apr
46
11 Apr
54
12 Apr
55
13 Apr
37
14 Apr
50
15 Apr
58
16 Apr
34
17 Apr
37
18 Apr
24
19 Apr
28
20 Apr
56
21 Apr
59
22 Apr
40
23 Apr
55
24 Apr
43
25 Apr
53
26 Apr
54
27 Apr
26
28 Apr
32
29 Apr
42
30 Apr
32
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
40
2 May
43
3 May
40
4 May
23
5 May
21
6 May
21
7 May
30
8 May
22
9 May
22
10 May
21
11 May
23
12 May
19
13 May
24
14 May
32
15 May
32
16 May
24
17 May
35
18 May
37
19 May
28
20 May
27
21 May
30
22 May
32
23 May
20
24 May
19
25 May
-
26 May
-
27 May
-
28 May
-
29 May
-
30 May
-
31 May
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Bielefeld

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

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Prevent Health Problems: Understand Your Risks

Bielefeld

  • asthma due to air pollution in BielefeldAsthma
  • heart due to air pollution in BielefeldHeart Issues
  • allergy due to air pollution in BielefeldAllergies
  • sinus due to air pollution in BielefeldSinus
  • flu due to air pollution in BielefeldCold/Flu
  • copd due to air pollution in BielefeldChronic (COPD)
asthma due to air pollution in Bielefeld

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025

Germany

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.

Oberviechtach, Germany

43
Good
3xabove Standard

2.

Kelheim, Germany

41
Good
3xabove Standard

3.

Trostberg An Der Alz, Germany

37
Good
2xabove Standard

4.

Berlin, Germany

36
Good
2xabove Standard

5.

Neustadt An Der Donau, Germany

34
Good
2xabove Standard

6.

Weissenthurm, Germany

32
Good
2xabove Standard

7.

Braunlage, Germany

31
Good
2xabove Standard

8.

Zittau, Germany

30
Good
2xabove Standard

9.

Munich, Germany

29
Good
2xabove Standard

10.

Ulm, Germany

28
Good
2xabove Standard

Last Updated: 25 May 2025, 08:40 PM

AQI City Rankings

Air Quality Solutions For Bielefeld

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
air quality solutions for offices for Bielefeld

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.

air quality solutions for smart-city for Bielefeld

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 Bielefeld

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.

air quality solutions for hotels for Bielefeld

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 Bielefeld

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 Bielefeld

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.

air quality solutions for fitness-center for Bielefeld

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 Bielefeld

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 Bielefeld

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 Bielefeld

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 Bielefeld

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.

air quality solutions for hospitals for Bielefeld

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 Bielefeld

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 Bielefeld

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 Bielefeld

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 Bielefeld

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.

Bielefeld'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 Bielefeld
Mobile App

Empower Your Decisions with Reliable Data

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 Bielefeld

Frequently Asked Questions About Air Quality

What is the current AQI level in Bielefeld?

The current real-time AQI level in Bielefeld is 18 (Good). This was last updated 2025-05-25 09:39:26 PM (Local Time).

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

The best AQI level was 18 (Good) at 3:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 26 (Good) at 3:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Bielefeld have been fluctuating throughout the last 24 hours. The levels have increased by highest 26 at 3:09 AM (Local Time), lowest 18 at 3:09 PM (Local Time).

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

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

Recent AQI Blogs

Read the latest news

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

How Air Pollution Fuels COPD—and What You Can Do About It?

How Air Pollution Fuels COPD—and What You Can Do About It?

22 May 2025Shakshi
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How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

19 May 2025Shakshi
Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

15 May 2025Shakshi
Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

15 May 2025Gyane
Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

14 May 2025Shakshi
Methane Emissions from Delhi’s Landfills: An Invisible Threat

Methane Emissions from Delhi’s Landfills: An Invisible Threat

12 May 2025Shakshi
The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

7 May 2025Shakshi
World Asthma Day 2025: The Link Between Air Pollution and Asthma

World Asthma Day 2025: The Link Between Air Pollution and Asthma

6 May 2025Shakshi
Why Air Quality Monitoring is Essential for Sustainable Development: Key Insights

Why Air Quality Monitoring is Essential for Sustainable Development: Key Insights

1 May 2025Gyane
Understand the Indoor Air Quality in Schools: Is Your Child Breathing Safe Air?

Understand the Indoor Air Quality in Schools: Is Your Child Breathing Safe Air?

30 Apr 2025Shakshi
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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