AQI PM2.5 PM10 CO SO2 NO2 O3

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Caerdydd Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-20 02:24:19 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 24 µg/m³

PM2.5 : 11 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-06-20 02:24:19 PM (Local Time)

Map

Caerdydd

Major Air Pollutants
Caerdydd

Particulate Matter(PM2.5)

11µg/m³

Particulate Matter(PM10)

24µg/m³

Carbon Monoxide(CO)

44ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

7ppb

Ozone(O3)

38ppb

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AQI Graph

Historical Air Quality Data
Caerdydd

24 Hours

AQI

Caerdydd

Want air quality data?

AQI Trends - Annual Air Quality Changes
Caerdydd, Cardiff, United Kingdom

AQI

Year

AQI

Annual AQI Trends

2020

32AQI

2021

36AQI

13%

Rise

2022

46AQI

28%

Rise

2023

43AQI

-7%

Fall

2024

36AQI

-16%

Fall

2025

37AQI

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 202257AQI

Least PollutedJuly, 202019AQI

* This data analysis is from year 2020 - 2025

Caerdydd's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Cardiff Centre

Moderate

Cardiff Centre

Moderate

Cardiff Newport Road

Moderate

United Kingdom's Metro Cities
Air Quality Index

Birmingham

Bristol

Glasgow

Leeds

London

Manchester

Air Quality Calendar 2025
Caerdydd

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 34	2 Jan 43	3 Jan 51	4 Jan 52
5 Jan 27	6 Jan 27	7 Jan 29	8 Jan 44	9 Jan 47	10 Jan 51	11 Jan 69
12 Jan 70	13 Jan 40	14 Jan 44	15 Jan 44	16 Jan 60	17 Jan 54	18 Jan 58
19 Jan 67	20 Jan 64	21 Jan 63	22 Jan 63	23 Jan 51	24 Jan 51	25 Jan 51
26 Jan 49	27 Jan 47	28 Jan 30	29 Jan 31	30 Jan 32	31 Jan 37	1 Feb 46

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 49	27 Jan 47	28 Jan 30	29 Jan 31	30 Jan 32	31 Jan 37	1 Feb 46
2 Feb 31	3 Feb 41	4 Feb 32	5 Feb 39	6 Feb 48	7 Feb 37	8 Feb 56
9 Feb 73	10 Feb 65	11 Feb 63	12 Feb 65	13 Feb 68	14 Feb 67	15 Feb 73
16 Feb 73	17 Feb 71	18 Feb 76	19 Feb 80	20 Feb 33	21 Feb 37	22 Feb 45
23 Feb 36	24 Feb 33	25 Feb 33	26 Feb 26	27 Feb 28	28 Feb 43	1 Mar 43

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 36	24 Feb 33	25 Feb 33	26 Feb 26	27 Feb 28	28 Feb 43	1 Mar 43
2 Mar 47	3 Mar 39	4 Mar 40	5 Mar 48	6 Mar 49	7 Mar 38	8 Mar 38
9 Mar 53	10 Mar 67	11 Mar 42	12 Mar 27	13 Mar 24	14 Mar 28	15 Mar 25
16 Mar 25	17 Mar 21	18 Mar 32	19 Mar 45	20 Mar 42	21 Mar 40	22 Mar 32
23 Mar 36	24 Mar 52	25 Mar 32	26 Mar 26	27 Mar 22	28 Mar 19	29 Mar 21
30 Mar 24	31 Mar 28	1 Apr 28	2 Apr 28	3 Apr 32	4 Apr 41	5 Apr 30

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 24	31 Mar 28	1 Apr 28	2 Apr 28	3 Apr 32	4 Apr 41	5 Apr 30
6 Apr 20	7 Apr 23	8 Apr 30	9 Apr 32	10 Apr 31	11 Apr 38	12 Apr 35
13 Apr 24	14 Apr 17	15 Apr 20	16 Apr 17	17 Apr 21	18 Apr 20	19 Apr 23
20 Apr 23	21 Apr 22	22 Apr 17	23 Apr 18	24 Apr 27	25 Apr 31	26 Apr 29
27 Apr 21	28 Apr 21	29 Apr 29	30 Apr 34	1 May 39	2 May 32	3 May 25

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 21	28 Apr 21	29 Apr 29	30 Apr 34	1 May 39	2 May 32	3 May 25
4 May 20	5 May 19	6 May 21	7 May 32	8 May 25	9 May 32	10 May 37
11 May 36	12 May 36	13 May 34	14 May 38	15 May 37	16 May 36	17 May 39
18 May 43	19 May 39	20 May 36	21 May 32	22 May 34	23 May 36	24 May 28
25 May 24	26 May 25	27 May 23	28 May 25	29 May 21	30 May 22	31 May 24

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 29	2 Jun 25	3 Jun 26	4 Jun 25	5 Jun 19	6 Jun 20	7 Jun 17
8 Jun 22	9 Jun 57	10 Jun 32	11 Jun 32	12 Jun 41	13 Jun 37	14 Jun 27
15 Jun 31	16 Jun 29	17 Jun 28	18 Jun 33	19 Jun 42	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Caerdydd

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 On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Caerdydd

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

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. 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.

Most Polluted Cities 2025
United Kingdom

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

Woolwich, United Kingdom

Moderate

4xabove Standard

Plumstead, United Kingdom

Moderate

4xabove Standard

Caerdydd, United Kingdom

Moderate

4xabove Standard

Highgate, United Kingdom

Moderate

4xabove Standard

West Ham, United Kingdom

Moderate

4xabove Standard

Acton, United Kingdom

Moderate

4xabove Standard

London, United Kingdom

Moderate

4xabove Standard

Eltham, United Kingdom

Moderate

4xabove Standard

Mitcham, United Kingdom

Moderate

4xabove Standard

10.

Erith, United Kingdom

Moderate

4xabove Standard

Last Updated: 20 Jun 2025, 01:25 PM

AQI City Rankings

Air Quality Solutions For Caerdydd
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 Caerdydd

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 Caerdydd

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 Caerdydd

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 Caerdydd

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.

Caerdydd'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 Caerdydd

Frequently Asked Questions About Air Quality

What is the current AQI level in Caerdydd?

The current real-time AQI level in Caerdydd is 55 (Moderate). This was last updated 2025-06-20 02:24:19 PM (Local Time).

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

The best AQI level was 40 (Good) at 12:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 59 (Moderate) at 3:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Caerdydd have been fluctuating throughout the last 24 hours. The levels have increased by highest 59 at 3:09 AM (Local Time), lowest 40 at 12:09 AM (Local Time).

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

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