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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)

location image
Live AQI
52
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+
aqi moderate level.webp in London
overcast

20 °C

Overcast
Humidity
Humidity83 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index0
Last Updated: 2025-07-14 09:11:54 AM (Local Time)
AQI LogoMap

London

Major Air Pollutants

London

PM2.5's Icon

Particulate Matter(PM2.5)

9µg/m³

PM10's Icon

Particulate Matter(PM10)

22µg/m³

CO's Icon

Carbon Monoxide(CO)

106ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

5ppb

O3's Icon

Ozone(O3)

26ppb

Trending in Canada

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Why You Should Be Monitoring Air Quality During Monsoon — Not Just in Winter?

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Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

AQI Graph

Historical Air Quality Data

London

24 Hours
AQI
London
AQI
.
13-07-2025Time14-07-2025
TimeLondon
01 PM39
02 PM39
03 PM40
04 PM39
05 PM40
06 PM40
07 PM39
08 PM40
09 PM40
10 PM41
11 PM41
12 AM40
01 AM40
02 AM44
03 AM44
04 AM44
05 AM44
06 AM44
07 AM47
08 AM50
09 AM46
10 AM44
11 AM39
12 PM33
01 PM34
33
Min.at 12:09 PM on 14th Jul
50
Max.at 8:12 AM on 14th Jul

Want air quality data?

AQI Logo

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

London, Ontario, Canada

AQI
Year
.
AQI
AQI AQI
Mar 202034
Apr 202032
May 202033
Jun 202037
Jul 202033
Aug 202031
Sep 202027
Oct 202024
Nov 202033
Dec 202034
Jan 202136
Feb 202140
Mar 202138
Apr 202137
May 202135
Jun 202138
Jul 202140
Aug 202139
Sep 202128
Oct 202129
Nov 202129
Dec 202136
Jan 202237
Feb 202234
Mar 202237
Apr 202232
May 202235
Jun 202234
Jul 202235
Aug 202220
Sep 202228
Oct 202232
Nov 202234
Dec 202238
Jan 202342
Feb 202338
Mar 202341
Apr 202340
May 202340
Jun 202374
Jul 202347
Aug 202348
Sep 202340
Oct 202333
Nov 202335
Dec 202342
Jan 202438
Feb 202439
Mar 202430
Apr 202432
May 202435
Jun 202433
Jul 202433
Aug 202435
Sep 202434
Oct 202431
Nov 202426
Dec 202430
Jan 202532
Feb 202536
Mar 202529
Apr 202526
May 202524
Jun 202548
Jul 202546


Annual AQI Trends

2020
32AQI
2021
35AQI
9%
Rise
2022
34AQI
-3%
Fall
2023
43AQI
26%
Rise
2024
33AQI
-23%
Fall
2025
33AQI
0%
No Change
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
2%
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
52
9
22
23
84
London Ontario
Moderate
52
9
22
23
84

Canada's Metro Cities

Air Quality Index

Calgary City AQI

Calgary

17

temp.13°C

hum.94%
Edmonton City AQI

Edmonton

27

temp.15°C

hum.73%
Halifax City AQI

Halifax

18

temp.16°C

hum.98%
Montreal City AQI

Montreal

36

temp.22°C

hum.100%
Ottawa City AQI

Ottawa

54

temp.19°C

hum.100%
Toronto City AQI

Toronto

48

temp.23°C

hum.78%
Vancouver City AQI

Vancouver

17

temp.18°C

hum.83%
Windsor City AQI

Windsor

71

temp.22°C

hum.73%

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
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

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 Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

London

  • asthma due to air pollution in LondonAsthma
  • heart due to air pollution in LondonHeart Issues
  • allergy due to air pollution in LondonAllergies
  • sinus due to air pollution in LondonSinus
  • flu due to air pollution in LondonCold/Flu
  • copd due to air pollution in LondonChronic (COPD)
asthma due to air pollution in London

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

Follow

1.

Kenora, Canada

141
Poor
9xabove Standard

2.

Pickle Lake, Canada

134
Poor
9xabove Standard

3.

Searchmont, Canada

133
Poor
9xabove Standard

4.

Sault Ste. Marie, Canada

114
Poor
8xabove Standard

5.

Oakbank, Canada

96
Moderate
6xabove Standard

6.

Chapais, Canada

91
Moderate
6xabove Standard

7.

Rosser, Canada

90
Moderate
6xabove Standard

8.

Thunder Bay, Canada

89
Moderate
6xabove Standard

9.

Winnipeg, Canada

88
Moderate
6xabove Standard

10.

Oliver Paipoonge, Canada

77
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

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 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 for London

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 for London

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 London

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 London

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 London

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 London

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 London

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 for London

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 London

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 for London

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 London

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 London

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 AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for London
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.

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 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.

Recent AQI Blogs

Read the latest news

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

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

7 Jul 2025Shakshi
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24 Jun 2025Shakshi
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Prana Air Logo

Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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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.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
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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