AQI PM2.5 PM10 CO SO2 NO2 O3

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Krefeld Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-21 12:41:41 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 18 µg/m³

PM2.5 : 7 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

19 °C

Last Updated: 2025-05-21 12:41:41 PM (Local Time)

Map

Krefeld

Major Air Pollutants
Krefeld

Particulate Matter(PM2.5)

7µg/m³

Particulate Matter(PM10)

18µg/m³

Carbon Monoxide(CO)

111ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

6ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Krefeld

24 Hours

AQI

Krefeld

Want air quality data?

AQI Trends - Annual Air Quality Changes
Krefeld, North Rhine Westphalia, Germany

AQI

Year

AQI

Annual AQI Trends

2020

23AQI

2021

23AQI

No Change

2022

30AQI

30%

Rise

2023

35AQI

17%

Rise

2024

34AQI

-3%

Fall

2025

52AQI

53%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

19%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedFebruary, 202569AQI

Least PollutedDecember, 202014AQI

* This data analysis is from year 2020 - 2025

Krefeld's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Krefeld Hafen

Good

Krefeld Linn

Good

Germany's Metro Cities
Air Quality Index

Berlin

Hamburg

Munich

Air Quality Calendar 2025
Krefeld

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 29	2 Jan 25	3 Jan 29	4 Jan 45
5 Jan 46	6 Jan 24	7 Jan 24	8 Jan 22	9 Jan 27	10 Jan 40	11 Jan 68
12 Jan 70	13 Jan 53	14 Jan 59	15 Jan 73	16 Jan 62	17 Jan 59	18 Jan 65
19 Jan 77	20 Jan 87	21 Jan 91	22 Jan 80	23 Jan 61	24 Jan 40	25 Jan 22
26 Jan 31	27 Jan 24	28 Jan 24	29 Jan 23	30 Jan 28	31 Jan 41	1 Feb 56

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 31	27 Jan 24	28 Jan 24	29 Jan 23	30 Jan 28	31 Jan 41	1 Feb 56
2 Feb 52	3 Feb 69	4 Feb 83	5 Feb 74	6 Feb 74	7 Feb 61	8 Feb 69
9 Feb 88	10 Feb 118	11 Feb 112	12 Feb 59	13 Feb 99	14 Feb 132	15 Feb 92
16 Feb 54	17 Feb 59	18 Feb 71	19 Feb 72	20 Feb 73	21 Feb 72	22 Feb 58
23 Feb 45	24 Feb 30	25 Feb 31	26 Feb 51	27 Feb 31	28 Feb 35	1 Mar 47

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 45	24 Feb 30	25 Feb 31	26 Feb 51	27 Feb 31	28 Feb 35	1 Mar 47
2 Mar 63	3 Mar 63	4 Mar 71	5 Mar 78	6 Mar 68	7 Mar 64	8 Mar 68
9 Mar 75	10 Mar 95	11 Mar 106	12 Mar 69	13 Mar 44	14 Mar 38	15 Mar 44
16 Mar 57	17 Mar 42	18 Mar 36	19 Mar 43	20 Mar 57	21 Mar 62	22 Mar 49
23 Mar 34	24 Mar 46	25 Mar 96	26 Mar 92	27 Mar 51	28 Mar 78	29 Mar 63
30 Mar 36	31 Mar 32	1 Apr 34	2 Apr 36	3 Apr 51	4 Apr 56	5 Apr 54

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 36	31 Mar 32	1 Apr 34	2 Apr 36	3 Apr 51	4 Apr 56	5 Apr 54
6 Apr 27	7 Apr 22	8 Apr 34	9 Apr 53	10 Apr 52	11 Apr 56	12 Apr 67
13 Apr 45	14 Apr 53	15 Apr 51	16 Apr 42	17 Apr 37	18 Apr 28	19 Apr 30
20 Apr 55	21 Apr 49	22 Apr 35	23 Apr 47	24 Apr 49	25 Apr 59	26 Apr 61
27 Apr 34	28 Apr 34	29 Apr 49	30 Apr 48	1 May 48	2 May 52	3 May 60

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 34	28 Apr 34	29 Apr 49	30 Apr 48	1 May 48	2 May 52	3 May 60
4 May 37	5 May 24	6 May 24	7 May 33	8 May 36	9 May 32	10 May 26
11 May 21	12 May 22	13 May 30	14 May 40	15 May 42	16 May 30	17 May 38
18 May 41	19 May 37	20 May 32	21 May -	22 May -	23 May -	24 May -
25 May -	26 May -	27 May -	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Krefeld

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 PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

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

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Krefeld

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

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

Rastatt, Germany

Haren, Germany

Hagen, Germany

Kelheim, Germany

Gorlitz, Germany

Flensburg, Germany

Ulm, Germany

Plauen, Germany

Wittenberge, Germany

10.

Bautzen, Germany

Good

3xabove Standard

Last Updated: 21 May 2025, 10:49 AM

AQI City Rankings

Air Quality Solutions For Krefeld
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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Krefeld

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

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 Krefeld

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

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

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

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

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

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

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

air quality solutions for airport for Krefeld

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

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

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 Krefeld

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

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

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

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

Krefeld's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

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.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Krefeld

Frequently Asked Questions About Air Quality

What is the current AQI level in Krefeld?

The current real-time AQI level in Krefeld is 37 (Good). This was last updated 2025-05-21 12:41:41 PM (Local Time).

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

The best AQI level was 30 (Good) at 6:10 PM, May 20, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 37 (Good) at 3:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Krefeld have been fluctuating throughout the last 24 hours. The levels have increased by highest 37 at 3:09 AM (Local Time), lowest 30 at 6:10 PM, May 20, 2025 (Local Time).

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

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