Air quality in Saint-Leonard

Air quality index (AQI⁺) and PM2.5 air pollution in Saint-Leonard • 4.3K Followers • 20:00, Apr 22 Local time

63*

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

15.9 µg/m³

weather condition icon

11°

wind direction icon

4 km/h

weather humid icon

84 %

Hourly forecast

Saint-Leonard air quality index (AQI⁺) forecast

Now

63

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

4

km/h

Humidity icon

84%

21:00

63

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

3

km/h

Humidity icon

83%

22:00

64

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

4

km/h

Humidity icon

94%

23:00

66

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 187 degree

2

km/h

Humidity icon

91%

Thu

00:00

65

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 271 degree

4

km/h

Humidity icon

86%

01:00

64

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 317 degree

6

km/h

Humidity icon

87%

02:00

63

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 355 degree

9

km/h

Humidity icon

90%

03:00

56

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 13 degree

11

km/h

Humidity icon

87%

04:00

48

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 26 degree

8

km/h

Humidity icon

91%

05:00

38

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 7 degree

6

km/h

Humidity icon

96%

06:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 341 degree

8

km/h

Humidity icon

96%

07:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 345 degree

10

km/h

Humidity icon

85%

08:00

15

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IQAir AirVisual Air Quality Map Wind rotating 337 degree

14

km/h

Humidity icon

68%

09:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 350 degree

18

km/h

Humidity icon

57%

10:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 346 degree

17

km/h

Humidity icon

53%

11:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 342 degree

15

km/h

Humidity icon

49%

12:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

15

km/h

Humidity icon

46%

13:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

14

km/h

Humidity icon

45%

14:00

6

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

13

km/h

Humidity icon

52%

15:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

13

km/h

Humidity icon

44%

16:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

15

km/h

Humidity icon

42%

17:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

15

km/h

Humidity icon

39%

18:00

6

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

15

km/h

Humidity icon

46%

19:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 19 degree

15

km/h

Humidity icon

53%

20:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 23 degree

16

km/h

Humidity icon

60%

21:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 18 degree

17

km/h

Humidity icon

65%

22:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 13 degree

17

km/h

Humidity icon

70%

23:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 4 degree

14

km/h

Humidity icon

75%

Fri

00:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 358 degree

13

km/h

Humidity icon

80%

01:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 353 degree

12

km/h

Humidity icon

83%

02:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 349 degree

11

km/h

Humidity icon

86%

03:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 336 degree

10

km/h

Humidity icon

88%

04:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

9

km/h

Humidity icon

93%

05:00

6

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-1°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

7

km/h

Humidity icon

92%

06:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

7

km/h

Humidity icon

93%

07:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 328 degree

7

km/h

Humidity icon

84%

08:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 341 degree

10

km/h

Humidity icon

70%

09:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 348 degree

9

km/h

Humidity icon

61%

10:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 2 degree

7

km/h

Humidity icon

55%

11:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 322 degree

7

km/h

Humidity icon

49%

12:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 333 degree

7

km/h

Humidity icon

46%

13:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 356 degree

7

km/h

Humidity icon

44%

14:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

8

km/h

Humidity icon

42%

15:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

10

km/h

Humidity icon

40%

16:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

13

km/h

Humidity icon

39%

17:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

14

km/h

Humidity icon

40%

18:00

6

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

13

km/h

Humidity icon

44%

19:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 63 degree

12

km/h

Humidity icon

55%

20:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 74 degree

9

km/h

Humidity icon

66%

21:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 64 degree

14

km/h

Humidity icon

54%

22:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 65 degree

13

km/h

Humidity icon

58%

23:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 69 degree

11

km/h

Humidity icon

62%

Sat

00:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 61 degree

11

km/h

Humidity icon

63%

01:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 56 degree

11

km/h

Humidity icon

67%

02:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 61 degree

10

km/h

Humidity icon

71%

03:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 57 degree

12

km/h

Humidity icon

75%

04:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 60 degree

12

km/h

Humidity icon

80%

05:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 52 degree

13

km/h

Humidity icon

84%

06:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 48 degree

15

km/h

Humidity icon

87%

07:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 50 degree

16

km/h

Humidity icon

83%

08:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 57 degree

20

km/h

Humidity icon

72%

09:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 68 degree

20

km/h

Humidity icon

62%

10:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 74 degree

19

km/h

Humidity icon

53%

11:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

19

km/h

Humidity icon

48%

12:00

8

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

18

km/h

Humidity icon

44%

13:00

8

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

17

km/h

Humidity icon

41%

14:00

8

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

16

km/h

Humidity icon

40%

15:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

14

km/h

Humidity icon

39%

16:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

14

km/h

Humidity icon

39%

17:00

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

14

km/h

Humidity icon

40%

18:00

12

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

14

km/h

Humidity icon

44%

19:00

15

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

14

km/h

Humidity icon

52%

Daily forecast

|

Saint-Leonard air quality index (AQI⁺) forecast

Today

34

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

18

km/h

Humidity icon

57%

Thu

7

Weather icon

11°

-1°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

14

km/h

Humidity icon

55%

Fri

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

20

km/h

Humidity icon

54%

Air pollutants

What is the current air quality in Saint-Leonard?

IQAir exclamation icon

PM2.5 concentration is currently 3.2 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in Saint-Leonard

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Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in Saint-Leonard today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Saint-Leonard

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Pollen

What is the pollen count in Saint-Leonard today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Saint-Leonard

Protect yourself from air pollution in Saint-Leonard

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near Saint-Leonard

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Hamilton, Ontario

65

2
The national flag of Canada

Windsor, Ontario

55

3
The national flag of Canada

Oakville, Ontario

54

4
The national flag of Canada

East York, Ontario

53

5
The national flag of Canada

Toronto, Ontario

53

6
The national flag of Canada

Burlington, Ontario

52

7
The national flag of Canada

Kahnawake, Quebec

52

8
The national flag of Canada

Mississauga, Ontario

52

9
The national flag of Canada

Guelph, Ontario

51

10
The national flag of Canada

Winnipeg, Manitoba

51

History

Historic air quality graph for Saint-Leonard

63 AQI⁺ US
Moderate
20:00–21:00 Apr 22 Local time
AQI⁺ US

History

Historic air quality graph for Saint-Leonard

63 AQI⁺ US
Moderate
20:00–21:00 Apr 22 Local time
AQI⁺ US

Most polluted locations near Saint-Leonard

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Hamilton, Ontario

65

2
The national flag of Canada

Windsor, Ontario

55

3
The national flag of Canada

Oakville, Ontario

54

4
The national flag of Canada

East York, Ontario

53

5
The national flag of Canada

Toronto, Ontario

53

6
The national flag of Canada

Burlington, Ontario

52

7
The national flag of Canada

Kahnawake, Quebec

52

8
The national flag of Canada

Mississauga, Ontario

52

9
The national flag of Canada

Guelph, Ontario

51

10
The national flag of Canada

Winnipeg, Manitoba

51

Be the first to measure and contribute air quality data to your community

Where is the cleanest air quality in Saint-Leonard?

No locations are available.