Live

London Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-07-14 09:11:54 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 22 µg/m³

PM2.5 : 9 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

20 °C

Last Updated: 2025-07-14 09:11:54 AM (Local Time)

Map

London

Major Air Pollutants
London

Particulate Matter(PM2.5)

9µg/m³

Particulate Matter(PM10)

22µg/m³

Carbon Monoxide(CO)

106ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

26ppb

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AQI Graph

Historical Air Quality Data
London

24 Hours

AQI

London

AQI

13-07-2025Time14-07-2025

Time	London
01 PM	39
02 PM	39
03 PM	40
04 PM	39
05 PM	40
06 PM	40
07 PM	39
08 PM	40
09 PM	40
10 PM	41
11 PM	41
12 AM	40
01 AM	40
02 AM	44
03 AM	44
04 AM	44
05 AM	44
06 AM	44
07 AM	47
08 AM	50
09 AM	46
10 AM	44
11 AM	39
12 PM	33
01 PM	34

Min.at 12:09 PM on 14th Jul

Max.at 8:12 AM on 14th Jul

Want air quality data?

AQI Trends - Annual Air Quality Changes
London, Ontario, Canada

AQI

Year

AQI

AQI	AQI
Mar 2020	34
Apr 2020	32
May 2020	33
Jun 2020	37
Jul 2020	33
Aug 2020	31
Sep 2020	27
Oct 2020	24
Nov 2020	33
Dec 2020	34
Jan 2021	36
Feb 2021	40
Mar 2021	38
Apr 2021	37
May 2021	35
Jun 2021	38
Jul 2021	40
Aug 2021	39
Sep 2021	28
Oct 2021	29
Nov 2021	29
Dec 2021	36
Jan 2022	37
Feb 2022	34
Mar 2022	37
Apr 2022	32
May 2022	35
Jun 2022	34
Jul 2022	35
Aug 2022	20
Sep 2022	28
Oct 2022	32
Nov 2022	34
Dec 2022	38
Jan 2023	42
Feb 2023	38
Mar 2023	41
Apr 2023	40
May 2023	40
Jun 2023	74
Jul 2023	47
Aug 2023	48
Sep 2023	40
Oct 2023	33
Nov 2023	35
Dec 2023	42
Jan 2024	38
Feb 2024	39
Mar 2024	30
Apr 2024	32
May 2024	35
Jun 2024	33
Jul 2024	33
Aug 2024	35
Sep 2024	34
Oct 2024	31
Nov 2024	26
Dec 2024	30
Jan 2025	32
Feb 2025	36
Mar 2025	29
Apr 2025	26
May 2025	24
Jun 2025	48
Jul 2025	46

Annual AQI Trends

2020

32AQI

2021

35AQI

Rise

2022

34AQI

-3%

Fall

2023

43AQI

26%

Rise

2024

33AQI

-23%

Fall

2025

33AQI

No Change

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

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJune, 202374AQI

Least PollutedAugust, 202220AQI

* This data analysis is from year 2020 - 2025

London's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Hamilton Road

Moderate

London Ontario

Moderate

Canada's Metro Cities
Air Quality Index

Calgary

Edmonton

Halifax

Montreal

Ottawa

Toronto

Vancouver

Windsor

Air Quality Calendar 2025
London

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 20	2 Jan 24	3 Jan 23	4 Jan 26
5 Jan 24	6 Jan 22	7 Jan 24	8 Jan 26	9 Jan 26	10 Jan 49	11 Jan 64
12 Jan 49	13 Jan 35	14 Jan 27	15 Jan 25	16 Jan 50	17 Jan 41	18 Jan 28
19 Jan 28	20 Jan 28	21 Jan 24	22 Jan 29	23 Jan 38	24 Jan 27	25 Jan 48
26 Jan 30	27 Jan 26	28 Jan 29	29 Jan 26	30 Jan 27	31 Jan 52	1 Feb 26

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 30	27 Jan 26	28 Jan 29	29 Jan 26	30 Jan 27	31 Jan 52	1 Feb 26
2 Feb 28	3 Feb 54	4 Feb 26	5 Feb 24	6 Feb 32	7 Feb 29	8 Feb 41
9 Feb 36	10 Feb 31	11 Feb 48	12 Feb 29	13 Feb 29	14 Feb 34	15 Feb 42
16 Feb 32	17 Feb 27	18 Feb 27	19 Feb 25	20 Feb 22	21 Feb 27	22 Feb 53
23 Feb 56	24 Feb 52	25 Feb 44	26 Feb 48	27 Feb 49	28 Feb 25	1 Mar 29

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 56	24 Feb 52	25 Feb 44	26 Feb 48	27 Feb 49	28 Feb 25	1 Mar 29
2 Mar 28	3 Mar 30	4 Mar 35	5 Mar 35	6 Mar 27	7 Mar 30	8 Mar 33
9 Mar 28	10 Mar 30	11 Mar 30	12 Mar 27	13 Mar 28	14 Mar 53	15 Mar 54
16 Mar 22	17 Mar 16	18 Mar 24	19 Mar 33	20 Mar 25	21 Mar 17	22 Mar 16
23 Mar 18	24 Mar 20	25 Mar 18	26 Mar 19	27 Mar 30	28 Mar 36	29 Mar 51
30 Mar 40	31 Mar 21	1 Apr 17	2 Apr 18	3 Apr 24	4 Apr 20	5 Apr 21

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 40	31 Mar 21	1 Apr 17	2 Apr 18	3 Apr 24	4 Apr 20	5 Apr 21
6 Apr 19	7 Apr 20	8 Apr 14	9 Apr 23	10 Apr 27	11 Apr 36	12 Apr 30
13 Apr 38	14 Apr 29	15 Apr 17	16 Apr 16	17 Apr 24	18 Apr 38	19 Apr 44
20 Apr 19	21 Apr 24	22 Apr 15	23 Apr 33	24 Apr 45	25 Apr 42	26 Apr 21
27 Apr 17	28 Apr 26	29 Apr 34	30 Apr 17	1 May 31	2 May 31	3 May 19

May

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

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 18	2 Jun 29	3 Jun 36	4 Jun 68	5 Jun 59	6 Jun 67	7 Jun 68
8 Jun 87	9 Jun 68	10 Jun 55	11 Jun 63	12 Jun 70	13 Jun 52	14 Jun 39
15 Jun 40	16 Jun 39	17 Jun 38	18 Jun 37	19 Jun 27	20 Jun 36	21 Jun 43
22 Jun 46	23 Jun 53	24 Jun 54	25 Jun 44	26 Jun 46	27 Jun 41	28 Jun 32
29 Jun 36	30 Jun 39	1 Jul 32	2 Jul 43	3 Jul 49	4 Jul 48	5 Jul 54

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 36	30 Jun 39	1 Jul 32	2 Jul 43	3 Jul 49	4 Jul 48	5 Jul 54
6 Jul 54	7 Jul 46	8 Jul 38	9 Jul 49	10 Jul 50	11 Jul 50	12 Jul 44
13 Jul 40	14 Jul -	15 Jul -	16 Jul -	17 Jul -	18 Jul -	19 Jul -
20 Jul -	21 Jul -	22 Jul -	23 Jul -	24 Jul -	25 Jul -	26 Jul -
27 Jul -	28 Jul -	29 Jul -	30 Jul -	31 Jul -	1 Aug -	2 Aug -

Health Advice For People Living In
London

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

London

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
Canada

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

Kenora, Canada

Pickle Lake, Canada

Searchmont, Canada

Sault Ste. Marie, Canada

Oakbank, Canada

Chapais, Canada

Rosser, Canada

Thunder Bay, Canada

Winnipeg, Canada

10.

Oliver Paipoonge, Canada

Moderate

5xabove Standard

Last Updated: 14 Jul 2025, 12:13 PM

AQI City Rankings

Air Quality Solutions For London
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 London

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 London

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 London

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 London

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.

London'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 London

Frequently Asked Questions About Air Quality

What is the current AQI level in London?

The current real-time AQI level in London is 52 (Moderate). This was last updated 2025-07-14 09:11:54 AM (Local Time).

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

The best AQI level was 33 (Good) at 12:09 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 50 (Good) at 8:12 AM (Local Time) during the last 24 hours.

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

The AQI levels in London have been fluctuating throughout the last 24 hours. The levels have increased by highest 50 at 8:12 AM (Local Time), lowest 33 at 12:09 PM (Local Time).

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

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