WorldArrow icon
Arrow iconSt. Catharines

Air quality in St. Catharines

Air quality index (AQI⁺) and PM2.5 air pollution in St. Catharines • 13.5K Followers • 23:00, Oct 19 Local time

29

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

62 µg/m³

weather condition icon

13°

wind direction icon

16 km/h

weather humid icon

90 %

Hourly forecast

St. Catharines air quality index (AQI⁺) forecast

Now

29

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 17 degree

16

km/h

Humidity icon

90%

Tue

02:00

26

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 18 degree

18

km/h

Humidity icon

89%

03:00

25

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

17

km/h

Humidity icon

93%

04:00

24

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

18

km/h

Humidity icon

91%

05:00

23

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

17

km/h

Humidity icon

91%

06:00

21

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

16

km/h

Humidity icon

90%

07:00

20

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 31 degree

16

km/h

Humidity icon

88%

08:00

31

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

16

km/h

Humidity icon

87%

09:00

32

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

17

km/h

Humidity icon

82%

10:00

32

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

20

km/h

Humidity icon

75%

11:00

48

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

20

km/h

Humidity icon

71%

12:00

48

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

19

km/h

Humidity icon

64%

13:00

48

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

21

km/h

Humidity icon

62%

14:00

39

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

22

km/h

Humidity icon

61%

15:00

39

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

20

km/h

Humidity icon

61%

16:00

39

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

19

km/h

Humidity icon

62%

17:00

24

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

17

km/h

Humidity icon

64%

18:00

24

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 52 degree

14

km/h

Humidity icon

68%

19:00

24

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 68 degree

8

km/h

Humidity icon

75%

20:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

6

km/h

Humidity icon

79%

21:00

17

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 88 degree

4

km/h

Humidity icon

80%

22:00

17

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 94 degree

3

km/h

Humidity icon

87%

23:00

10

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

2

km/h

Humidity icon

87%

Wed

00:00

10

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

4

km/h

Humidity icon

90%

01:00

10

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

3

km/h

Humidity icon

91%

02:00

9

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

4

km/h

Humidity icon

91%

03:00

9

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

6

km/h

Humidity icon

83%

04:00

9

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

5

km/h

Humidity icon

85%

05:00

8

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

4

km/h

Humidity icon

87%

06:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

4

km/h

Humidity icon

90%

07:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

3

km/h

Humidity icon

92%

08:00

17

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

2

km/h

Humidity icon

91%

09:00

17

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

3

km/h

Humidity icon

86%

10:00

17

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 87 degree

6

km/h

Humidity icon

76%

11:00

9

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 66 degree

8

km/h

Humidity icon

72%

12:00

9

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

8

km/h

Humidity icon

70%

13:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

8

km/h

Humidity icon

69%

14:00

6

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

9

km/h

Humidity icon

66%

15:00

6

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

10

km/h

Humidity icon

69%

16:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 13 degree

8

km/h

Humidity icon

72%

17:00

8

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

7

km/h

Humidity icon

75%

18:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

6

km/h

Humidity icon

81%

19:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

2

km/h

Humidity icon

92%

20:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

1

km/h

Humidity icon

92%

21:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

7

km/h

Humidity icon

76%

22:00

8

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

7

km/h

Humidity icon

72%

23:00

28

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

4

km/h

Humidity icon

66%

Thu

00:00

28

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

2

km/h

Humidity icon

63%

01:00

28

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

3

km/h

Humidity icon

61%

02:00

14

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

3

km/h

Humidity icon

61%

03:00

14

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

4

km/h

Humidity icon

61%

04:00

14

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

5

km/h

Humidity icon

63%

05:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

6

km/h

Humidity icon

65%

06:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

6

km/h

Humidity icon

69%

07:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

6

km/h

Humidity icon

72%

08:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

6

km/h

Humidity icon

73%

09:00

11

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

5

km/h

Humidity icon

66%

10:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

6

km/h

Humidity icon

58%

11:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

7

km/h

Humidity icon

54%

12:00

17

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

8

km/h

Humidity icon

52%

13:00

17

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 331 degree

9

km/h

Humidity icon

52%

14:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

10

km/h

Humidity icon

52%

15:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

8

km/h

Humidity icon

52%

16:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

4

km/h

Humidity icon

50%

17:00

26

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

3

km/h

Humidity icon

50%

18:00

26

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

3

km/h

Humidity icon

57%

19:00

26

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

1

km/h

Humidity icon

61%

20:00

53

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

2

km/h

Humidity icon

63%

21:00

53

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

6

km/h

Humidity icon

64%

22:00

53

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

8

km/h

Humidity icon

68%

23:00

58

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

7

km/h

Humidity icon

74%

Fri

00:00

58

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

8

km/h

Humidity icon

82%

Daily forecast

|

St. Catharines air quality index (AQI⁺) forecast

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

Protect yourself from air pollution in St. Catharines

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in St. Catharines today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in St. Catharines

Health recommendations

Pollen

What is the pollen count in St. Catharines today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
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

32

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Golden, British Columbia

61

2
The national flag of Canada

Sicamous, British Columbia

60

3
The national flag of Canada

Duncan, British Columbia

57

4
The national flag of Canada

Vanderhoof, British Columbia

57

5
The national flag of Canada

Clinton, British Columbia

55

6
The national flag of Canada

Vernon, British Columbia

55

7
The national flag of Canada

Port Alberni, British Columbia

51

8
The national flag of Canada

Fort McMurray, Alberta

50

9
The national flag of Canada

Fernie, British Columbia

48

10
The national flag of Canada

Penticton, British Columbia

44

History

Historic air quality graph for St. Catharines

29 AQI⁺ US
Good
22:00–23:00 Oct 19 Local time
AQI⁺ US

History

Historic air quality graph for St. Catharines

29 AQI⁺ US
Good
22:00–23:00 Oct 19 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

32

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Golden, British Columbia

61

2
The national flag of Canada

Sicamous, British Columbia

60

3
The national flag of Canada

Duncan, British Columbia

57

4
The national flag of Canada

Vanderhoof, British Columbia

57

5
The national flag of Canada

Clinton, British Columbia

55

6
The national flag of Canada

Vernon, British Columbia

55

7
The national flag of Canada

Port Alberni, British Columbia

51

8
The national flag of Canada

Fort McMurray, Alberta

50

9
The national flag of Canada

Fernie, British Columbia

48

10
The national flag of Canada

Penticton, British Columbia

44

Measure your own air quality

Get a monitor and contribute air quality data in your city.

Begin your journey for cleaner air #IQAir

Where is the cleanest air quality in St. Catharines?