Air quality in St. Catharines

Air quality index (AQI⁺) and PM2.5 air pollution in St. Catharines • 12.5K Followers • 16:00, Apr 23 Local time

38

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

94 µg/m³

weather condition icon

14°

wind direction icon

7 km/h

weather humid icon

72 %

Hourly forecast

St. Catharines air quality index (AQI⁺) forecast

Now

38

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

7

km/h

Humidity icon

72%

20:00

43

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

4

km/h

Humidity icon

89%

21:00

45

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

2

km/h

Humidity icon

98%

22:00

46

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 303 degree

2

km/h

Humidity icon

100%

23:00

44

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 308 degree

3

km/h

Humidity icon

99%

Fri

00:00

45

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 323 degree

4

km/h

Humidity icon

96%

01:00

46

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 345 degree

4

km/h

Humidity icon

95%

02:00

40

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 6 degree

4

km/h

Humidity icon

92%

03:00

40

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 21 degree

5

km/h

Humidity icon

92%

04:00

40

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 36 degree

6

km/h

Humidity icon

93%

05:00

32

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 58 degree

9

km/h

Humidity icon

88%

06:00

32

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 85 degree

15

km/h

Humidity icon

63%

07:00

32

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 71 degree

18

km/h

Humidity icon

60%

08:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 77 degree

22

km/h

Humidity icon

64%

09:00

18

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 74 degree

20

km/h

Humidity icon

69%

10:00

18

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 88 degree

20

km/h

Humidity icon

76%

11:00

16

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 78 degree

17

km/h

Humidity icon

65%

12:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 69 degree

17

km/h

Humidity icon

60%

13:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 60 degree

17

km/h

Humidity icon

65%

14:00

15

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

17

km/h

Humidity icon

61%

15:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 50 degree

17

km/h

Humidity icon

72%

16:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 51 degree

20

km/h

Humidity icon

73%

17:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 53 degree

19

km/h

Humidity icon

70%

18:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 58 degree

15

km/h

Humidity icon

66%

19:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 65 degree

17

km/h

Humidity icon

65%

20:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 68 degree

15

km/h

Humidity icon

64%

21:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 80 degree

16

km/h

Humidity icon

53%

22:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 82 degree

18

km/h

Humidity icon

48%

23:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 87 degree

19

km/h

Humidity icon

51%

Sat

00:00

14

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 83 degree

21

km/h

Humidity icon

81%

01:00

14

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 63 degree

21

km/h

Humidity icon

81%

02:00

13

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 71 degree

19

km/h

Humidity icon

95%

03:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 68 degree

22

km/h

Humidity icon

97%

04:00

13

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 35 degree

19

km/h

Humidity icon

97%

05:00

14

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 76 degree

24

km/h

Humidity icon

96%

06:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 78 degree

19

km/h

Humidity icon

95%

07:00

14

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 84 degree

17

km/h

Humidity icon

95%

08:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 75 degree

17

km/h

Humidity icon

92%

09:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 70 degree

14

km/h

Humidity icon

92%

10:00

19

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 53 degree

16

km/h

Humidity icon

94%

11:00

33

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 51 degree

26

km/h

Humidity icon

97%

12:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 50 degree

28

km/h

Humidity icon

95%

13:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 54 degree

31

km/h

Humidity icon

96%

14:00

55

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 53 degree

32

km/h

Humidity icon

96%

15:00

55

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 49 degree

33

km/h

Humidity icon

96%

16:00

55

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 57 degree

29

km/h

Humidity icon

95%

17:00

53

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 46 degree

26

km/h

Humidity icon

96%

18:00

53

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 48 degree

27

km/h

Humidity icon

97%

19:00

53

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 51 degree

24

km/h

Humidity icon

97%

20:00

43

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 49 degree

21

km/h

Humidity icon

97%

21:00

43

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 53 degree

18

km/h

Humidity icon

94%

22:00

43

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 47 degree

13

km/h

Humidity icon

94%

23:00

40

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 48 degree

14

km/h

Humidity icon

96%

Sun

00:00

40

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 34 degree

15

km/h

Humidity icon

96%

01:00

40

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 55 degree

16

km/h

Humidity icon

96%

02:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 51 degree

13

km/h

Humidity icon

96%

03:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 59 degree

11

km/h

Humidity icon

96%

04:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 49 degree

12

km/h

Humidity icon

97%

05:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 55 degree

12

km/h

Humidity icon

96%

06:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 57 degree

11

km/h

Humidity icon

95%

07:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 48 degree

10

km/h

Humidity icon

95%

08:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 55 degree

13

km/h

Humidity icon

91%

09:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 56 degree

13

km/h

Humidity icon

87%

10:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 53 degree

14

km/h

Humidity icon

82%

11:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 48 degree

15

km/h

Humidity icon

77%

12:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

16

km/h

Humidity icon

74%

13:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

19

km/h

Humidity icon

75%

14:00

34

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 38 degree

21

km/h

Humidity icon

79%

15:00

34

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 49 degree

18

km/h

Humidity icon

79%

16:00

34

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

16

km/h

Humidity icon

77%

17:00

34

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

17

km/h

Humidity icon

77%

18:00

34

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

15

km/h

Humidity icon

76%

Daily forecast

|

St. Catharines air quality index (AQI⁺) forecast

Today

39

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

10

km/h

Humidity icon

72%

Thu

30

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

22

km/h

Humidity icon

64%

Fri

28

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 45 degree

33

km/h

Humidity icon

95%

Air pollutants

What is the current air quality in St. Catharines?

IQAir Check icon

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Health recommendations

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Enjoy outdoor activities

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Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in St. Catharines

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Air Quality Monitors

Pollen

What is the pollen count in St. Catharines today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in St. Catharines

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor

Pollen

What is the pollen count in St. Catharines today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in St. Catharines

Protect yourself from air pollution in St. Catharines

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near St. Catharines

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in St. Catharines

#StationsAQI⁺ US
1
The national flag of Canada

St. Catharines Station

38

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Chilliwack, British Columbia

63

2
The national flag of Canada

Hamilton, Ontario

55

3
The national flag of Canada

Oakville, Ontario

55

4
The national flag of Canada

Abbotsford, British Columbia

52

5
The national flag of Canada

Greater Sudbury, Ontario

52

6
The national flag of Canada

London, Ontario

51

7
The national flag of Canada

Port Moody, British Columbia

51

8
The national flag of Canada

Waterloo, Ontario

51

9
The national flag of Canada

Squamish, British Columbia

50

10
The national flag of Canada

Guelph, Ontario

47

History

Historic air quality graph for St. Catharines

38 AQI⁺ US
Good
15:00–16:00 Apr 23 Local time
AQI⁺ US

History

Historic air quality graph for St. Catharines

38 AQI⁺ US
Good
15:00–16:00 Apr 23 Local time
AQI⁺ US

Most polluted locations near St. Catharines

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in St. Catharines

#StationsAQI⁺ US
1
The national flag of Canada

St. Catharines Station

38

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Chilliwack, British Columbia

63

2
The national flag of Canada

Hamilton, Ontario

55

3
The national flag of Canada

Oakville, Ontario

55

4
The national flag of Canada

Abbotsford, British Columbia

52

5
The national flag of Canada

Greater Sudbury, Ontario

52

6
The national flag of Canada

London, Ontario

51

7
The national flag of Canada

Port Moody, British Columbia

51

8
The national flag of Canada

Waterloo, Ontario

51

9
The national flag of Canada

Squamish, British Columbia

50

10
The national flag of Canada

Guelph, Ontario

47

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Where is the cleanest air quality in St. Catharines?