AQI PM2.5 PM10 CO SO2 NO2 O3

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Cornwall Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-08 07:56:29 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 20 µg/m³

PM2.5 : 16 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

23 °C

Last Updated: 2025-06-08 07:56:29 PM (Local Time)

Map

Cornwall

Major Air Pollutants
Cornwall

Particulate Matter(PM2.5)

16µg/m³

Particulate Matter(PM10)

20µg/m³

Carbon Monoxide(CO)

190ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

4ppb

Ozone(O3)

34ppb

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AQI Graph

Historical Air Quality Data
Cornwall

24 Hours

AQI

Cornwall

Want air quality data?

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

AQI

Year

AQI

Annual AQI Trends

2020

28AQI

2021

31AQI

11%

Rise

2022

31AQI

No Change

2023

37AQI

19%

Rise

2024

30AQI

-19%

Fall

2025

27AQI

-10%

Fall

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

No Change

Most & Least Polluted Months

Most PollutedJune, 202362AQI

Least PollutedMay, 202521AQI

* This data analysis is from year 2020 - 2025

Cornwall's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Cornwall

Moderate

Third Street West

Moderate

Canada's Metro Cities
Air Quality Index

Calgary

Edmonton

Halifax

Montreal

Ottawa

Toronto

West Vancouver

Windsor

120

temp.23°C

hum.64%

Air Quality Calendar 2025
Cornwall

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 22	2 Jan 22	3 Jan 23	4 Jan 25
5 Jan 25	6 Jan 23	7 Jan 23	8 Jan 24	9 Jan 26	10 Jan 31	11 Jan 32
12 Jan 35	13 Jan 46	14 Jan 24	15 Jan 23	16 Jan 33	17 Jan 49	18 Jan 30
19 Jan 23	20 Jan 28	21 Jan 29	22 Jan 31	23 Jan 33	24 Jan 38	25 Jan 41
26 Jan 38	27 Jan 29	28 Jan 29	29 Jan 27	30 Jan 27	31 Jan 46	1 Feb 29

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 38	27 Jan 29	28 Jan 29	29 Jan 27	30 Jan 27	31 Jan 46	1 Feb 29
2 Feb 30	3 Feb 54	4 Feb 25	5 Feb 24	6 Feb 31	7 Feb 32	8 Feb 26
9 Feb 28	10 Feb 26	11 Feb 28	12 Feb 30	13 Feb 27	14 Feb 28	15 Feb 28
16 Feb 26	17 Feb 24	18 Feb 21	19 Feb 20	20 Feb 23	21 Feb 27	22 Feb 42
23 Feb 50	24 Feb 43	25 Feb 60	26 Feb 35	27 Feb 30	28 Feb 32	1 Mar 29

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 50	24 Feb 43	25 Feb 60	26 Feb 35	27 Feb 30	28 Feb 32	1 Mar 29
2 Mar 29	3 Mar 33	4 Mar 40	5 Mar 53	6 Mar 26	7 Mar 30	8 Mar 32
9 Mar 30	10 Mar 29	11 Mar 36	12 Mar 29	13 Mar 41	14 Mar 64	15 Mar 60
16 Mar 33	17 Mar 18	18 Mar 23	19 Mar 38	20 Mar 33	21 Mar 16	22 Mar 24
23 Mar 19	24 Mar 25	25 Mar 22	26 Mar 20	27 Mar 17	28 Mar 19	29 Mar 26
30 Mar 23	31 Mar 29	1 Apr 17	2 Apr 18	3 Apr 19	4 Apr 18	5 Apr 22

April

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

May

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

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 13	2 Jun 17	3 Jun 25	4 Jun 46	5 Jun 54	6 Jun 55	7 Jun -
8 Jun -	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
Cornwall

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

Cornwall

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

Windsor, Canada

Sarnia, Canada

Chatham, Canada

Burlington, Canada

Hamilton, Canada

Waterloo, Canada

London, Canada

Kitchener, Canada

Brantford, Canada

10.

Central Elgin, Canada

Moderate

6xabove Standard

Last Updated: 08 Jun 2025, 11:36 PM

AQI City Rankings

Air Quality Solutions For Cornwall
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 Cornwall

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 Cornwall

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 Cornwall

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 Cornwall

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.

Cornwall'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 Cornwall

Frequently Asked Questions About Air Quality

What is the current AQI level in Cornwall?

The current real-time AQI level in Cornwall is 63 (Moderate). This was last updated 2025-06-08 07:56:29 PM (Local Time).

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

The best AQI level was 51 (Moderate) at 9:11 PM, Jun 7, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 69 (Moderate) at 6:10 AM (Local Time) during the last 24 hours.

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

The AQI levels in Cornwall have been fluctuating throughout the last 24 hours. The levels have increased by highest 69 at 6:10 AM (Local Time), lowest 51 at 9:11 PM, Jun 7, 2025 (Local Time).

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

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