AQI PM2.5 PM10 CO SO2 NO2 O3

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Llangefni Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Isle Of Anglesey

Last Updated: 2025-06-09 08:09:25 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 20 µg/m³

PM2.5 : 12 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

14 °C

Last Updated: 2025-06-09 08:09:25 PM (Local Time)

Map

Llangefni

Major Air Pollutants
Llangefni

Particulate Matter(PM2.5)

12µg/m³

Particulate Matter(PM10)

20µg/m³

Carbon Monoxide(CO)

81ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

3ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Llangefni

24 Hours

AQI

Llangefni

Want air quality data?

AQI Trends - Annual Air Quality Changes
Llangefni, Isle Of Anglesey, United Kingdom

AQI

Year

AQI

Annual AQI Trends

2020

28AQI

2021

26AQI

-7%

Fall

2022

30AQI

15%

Rise

2023

33AQI

10%

Rise

2024

30AQI

-9%

Fall

2025

34AQI

13%

Rise

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 202146AQI

Least PollutedApril, 202411AQI

* This data analysis is from year 2020 - 2025

Llangefni's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Anglesey

Moderate

Anglesey Brynteg

Moderate

United Kingdom's Metro Cities
Air Quality Index

Birmingham

Bristol

Glasgow

Leeds

London

Manchester

Air Quality Calendar 2025
Llangefni

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 41	2 Jan 33	3 Jan 38	4 Jan 45
5 Jan 36	6 Jan 30	7 Jan 25	8 Jan 33	9 Jan 40	10 Jan 42	11 Jan 42
12 Jan 47	13 Jan 38	14 Jan 34	15 Jan 35	16 Jan 36	17 Jan 32	18 Jan 40
19 Jan 47	20 Jan 49	21 Jan 43	22 Jan 45	23 Jan 36	24 Jan 36	25 Jan 31
26 Jan 27	27 Jan 29	28 Jan 28	29 Jan 25	30 Jan 25	31 Jan 29	1 Feb 30

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 27	27 Jan 29	28 Jan 28	29 Jan 25	30 Jan 25	31 Jan 29	1 Feb 30
2 Feb 26	3 Feb 28	4 Feb 27	5 Feb 28	6 Feb 38	7 Feb 35	8 Feb 37
9 Feb 41	10 Feb 42	11 Feb 42	12 Feb 43	13 Feb 51	14 Feb 53	15 Feb 53
16 Feb 58	17 Feb 60	18 Feb 61	19 Feb 59	20 Feb 47	21 Feb 39	22 Feb 36
23 Feb 32	24 Feb 31	25 Feb 30	26 Feb 28	27 Feb 27	28 Feb 28	1 Mar 29

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 32	24 Feb 31	25 Feb 30	26 Feb 28	27 Feb 27	28 Feb 28	1 Mar 29
2 Mar 32	3 Mar 30	4 Mar 34	5 Mar 38	6 Mar 47	7 Mar 42	8 Mar 44
9 Mar 57	10 Mar 63	11 Mar 54	12 Mar 41	13 Mar 32	14 Mar 32	15 Mar 30
16 Mar 28	17 Mar 26	18 Mar 35	19 Mar 51	20 Mar 56	21 Mar 58	22 Mar 54
23 Mar 51	24 Mar 50	25 Mar 41	26 Mar 33	27 Mar 29	28 Mar 27	29 Mar 26
30 Mar 36	31 Mar 35	1 Apr 35	2 Apr 34	3 Apr 42	4 Apr 51	5 Apr 47

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 36	31 Mar 35	1 Apr 35	2 Apr 34	3 Apr 42	4 Apr 51	5 Apr 47
6 Apr 38	7 Apr 35	8 Apr 39	9 Apr 43	10 Apr 43	11 Apr 48	12 Apr 48
13 Apr 37	14 Apr 21	15 Apr 16	16 Apr 15	17 Apr 17	18 Apr 17	19 Apr 17
20 Apr 21	21 Apr 23	22 Apr 18	23 Apr 21	24 Apr 26	25 Apr 32	26 Apr 36
27 Apr 29	28 Apr 25	29 Apr 29	30 Apr 38	1 May 39	2 May 30	3 May 28

May

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

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 22	2 Jun 22	3 Jun 27	4 Jun 26	5 Jun 22	6 Jun 20	7 Jun 19
8 Jun 23	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	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
Llangefni

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.

Prevent Health Problems: Understand Your Risks

Llangefni

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

Dundee, United Kingdom

Moderate

6xabove Standard

Cupar, United Kingdom

Moderate

6xabove Standard

Kirkcaldy, United Kingdom

Moderate

6xabove Standard

Dunfermline, United Kingdom

Moderate

6xabove Standard

Falkirk, United Kingdom

Moderate

6xabove Standard

Grangemouth, United Kingdom

Moderate

6xabove Standard

Aberdeen, United Kingdom

Moderate

5xabove Standard

Forfar, United Kingdom

Moderate

5xabove Standard

Alloa, United Kingdom

Moderate

5xabove Standard

10.

Rosyth, United Kingdom

Moderate

5xabove Standard

Last Updated: 09 Jun 2025, 07:32 PM

AQI City Rankings

Air Quality Solutions For Llangefni
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 Llangefni

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 Llangefni

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 Llangefni

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 Llangefni

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.

Llangefni'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

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 Llangefni

Frequently Asked Questions About Air Quality

What is the current AQI level in Llangefni?

The current real-time AQI level in Llangefni is 56 (Moderate) due to recent rainfall by 0.09mm/hr. This was last updated 2025-06-09 08:09:25 PM (Local Time).

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

The best AQI level was 22 (Good) at 8:39 PM, Jun 8, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 59 (Moderate) at 10:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Llangefni have been fluctuating throughout the last 24 hours. The levels have increased by highest 59 at 10:09 AM (Local Time), lowest 22 at 8:39 PM, Jun 8, 2025 (Local Time).

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

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