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Greater Sudbury Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-02 11:40:15 AM (Local Time)

Live AQI

128(AQI-US)

Air Quality is

Poor

pm10 : 51 µg/m³

PM2.5 : 46 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

19 °C

Last Updated: 2025-08-02 11:40:15 AM (Local Time)

Map

Greater Sudbury

Major Air Pollutants
Greater Sudbury

Particulate Matter(PM2.5)

46µg/m³

Particulate Matter(PM10)

51µg/m³

Carbon Monoxide(CO)

0ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

2ppb

Ozone(O3)

24ppb

Trending in Canada

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AQI Graph

Historical Air Quality Data
Greater Sudbury

24 Hours

AQI

Greater Sudbury

AQI

01-08-2025Time02-08-2025

Time	Greater Sudbury
11 AM	48
12 PM	55
01 PM	57
02 PM	58
03 PM	55
04 PM	54
05 PM	62
06 PM	63
07 PM	62
08 PM	66
09 PM	57
10 PM	54
11 PM	51
12 AM	58
01 AM	64
02 AM	77
03 AM	75
04 AM	70
05 AM	74
06 AM	74
07 AM	74
08 AM	83
09 AM	86
10 AM	97
11 AM	114

Min.at 11:55 AM on 1st Aug

114

Max.at 11:10 AM on 2nd Aug

Want air quality data?

AQI Trends - Annual Air Quality Changes
Greater Sudbury, Ontario, Canada

AQI

Year

AQI

AQI	AQI
Mar 2025	19
Apr 2025	22
May 2025	21
Jun 2025	43
Jul 2025	42
Aug 2025	54

Annual AQI Trends

2025

32AQI

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

NaN%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202554AQI

Least PollutedMarch, 202519AQI

* This data analysis is from year 2025 - 2025

Greater Sudbury's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Applegrove Street

Poor

128

Canada's Metro Cities
Air Quality Index

Calgary

Edmonton

Halifax

Montreal

Ottawa

Toronto

Vancouver

Windsor

Air Quality Calendar 2025
Greater Sudbury

2025

AQI

January

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

February

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

March

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

April

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

May

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

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 15	2 Jun 22	3 Jun 40	4 Jun 66	5 Jun 57	6 Jun 63	7 Jun 67
8 Jun 65	9 Jun 61	10 Jun 57	11 Jun 61	12 Jun 51	13 Jun 28	14 Jun 27
15 Jun 35	16 Jun 43	17 Jun 43	18 Jun 35	19 Jun 35	20 Jun 25	21 Jun 49
22 Jun 51	23 Jun 51	24 Jun 48	25 Jun 38	26 Jun 31	27 Jun 26	28 Jun 28
29 Jun 28	30 Jun 33	1 Jul 28	2 Jul 35	3 Jul 30	4 Jul 30	5 Jul 35

July

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Jun 28	30 Jun 33	1 Jul 28	2 Jul 35	3 Jul 30	4 Jul 30	5 Jul 35
6 Jul 49	7 Jul 31	8 Jul 28	9 Jul 39	10 Jul 35	11 Jul 40	12 Jul 46
13 Jul 43	14 Jul 57	15 Jul 66	16 Jul 70	17 Jul 35	18 Jul 31	19 Jul 40
20 Jul 36	21 Jul 31	22 Jul 27	23 Jul 24	24 Jul 29	25 Jul 42	26 Jul 59
27 Jul 58	28 Jul 53	29 Jul 45	30 Jul 63	31 Jul 69	1 Aug 54	2 Aug -

August

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Jul 58	28 Jul 53	29 Jul 45	30 Jul 63	31 Jul 69	1 Aug 54	2 Aug -
3 Aug -	4 Aug -	5 Aug -	6 Aug -	7 Aug -	8 Aug -	9 Aug -
10 Aug -	11 Aug -	12 Aug -	13 Aug -	14 Aug -	15 Aug -	16 Aug -
17 Aug -	18 Aug -	19 Aug -	20 Aug -	21 Aug -	22 Aug -	23 Aug -
24 Aug -	25 Aug -	26 Aug -	27 Aug -	28 Aug -	29 Aug -	30 Aug -
31 Aug -	1 Sep -	2 Sep -	3 Sep -	4 Sep -	5 Sep -	6 Sep -

Health Advice For People Living In
Greater Sudbury

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

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

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

Greater Sudbury

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

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Poor (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.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

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

Oliver Paipoonge, Canada

Searchmont, Canada

Sudbury, Canada

Greater Sudbury, Canada

Poor

9xabove Standard

Sault Ste. Marie, Canada

Kenora, Canada

Thunder Bay, Canada

Pickle Lake, Canada

Winnipeg, Canada

10.

Chapais, Canada

Poor

7xabove Standard

Last Updated: 02 Aug 2025, 02:56 PM

AQI City Rankings

Air Quality Solutions For Greater Sudbury
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 Greater Sudbury

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 Greater Sudbury

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 Greater Sudbury

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 Greater Sudbury

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.

Greater Sudbury'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 Greater Sudbury

Frequently Asked Questions About Air Quality

What is the current AQI level in Greater Sudbury?

The current real-time AQI level in Greater Sudbury is 128 (Poor). This was last updated 2025-08-02 11:40:15 AM (Local Time).

When was the best AQI level in Greater Sudbury in the last 24 hours?

The best AQI level was 48 (Good) at 11:55 AM, Aug 1, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Greater Sudbury in the last 24 hours?

The worst AQI level was 114 (Poor) at 11:10 AM (Local Time) during the last 24 hours.

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

The AQI levels in Greater Sudbury have been fluctuating throughout the last 24 hours. The levels have increased by highest 114 at 11:10 AM (Local Time), lowest 48 at 11:55 AM, Aug 1, 2025 (Local Time).

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

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.