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Air quality in St. Catharines

Air quality index (AQI⁺) and PM2.5 air pollution in St. Catharines • 13.5K Followers • 22:00, Oct 21 Local time

50

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

9 µg/m³

weather condition icon

5°

wind direction icon

4 km/h

weather humid icon

97 %

Hourly forecast

St. Catharines air quality index (AQI⁺) forecast

Now

50

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

4

km/h

Humidity icon

97%

Thu

02:00

38

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4°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

5

km/h

Humidity icon

97%

03:00

35

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4°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

5

km/h

Humidity icon

91%

04:00

33

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

6

km/h

Humidity icon

93%

05:00

25

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

6

km/h

Humidity icon

95%

06:00

21

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

6

km/h

Humidity icon

95%

07:00

18

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3°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

6

km/h

Humidity icon

98%

08:00

24

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

6

km/h

Humidity icon

97%

09:00

22

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

5

km/h

Humidity icon

86%

10:00

19

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

3

km/h

Humidity icon

80%

11:00

19

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11°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

8

km/h

Humidity icon

86%

12:00

19

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12°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

13

km/h

Humidity icon

85%

13:00

19

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13°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

14

km/h

Humidity icon

81%

14:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

12

km/h

Humidity icon

78%

15:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

10

km/h

Humidity icon

75%

16:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

8

km/h

Humidity icon

74%

17:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

9

km/h

Humidity icon

77%

18:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

16

km/h

Humidity icon

73%

19:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

17

km/h

Humidity icon

75%

20:00

34

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

18

km/h

Humidity icon

75%

21:00

34

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

21

km/h

Humidity icon

76%

22:00

34

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

20

km/h

Humidity icon

80%

23:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

21

km/h

Humidity icon

84%

Fri

00:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

20

km/h

Humidity icon

78%

01:00

28

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 65 degree

18

km/h

Humidity icon

83%

02:00

29

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

15

km/h

Humidity icon

86%

03:00

29

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 87 degree

13

km/h

Humidity icon

84%

04:00

29

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

11

km/h

Humidity icon

83%

05:00

36

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

13

km/h

Humidity icon

83%

06:00

36

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

14

km/h

Humidity icon

76%

07:00

36

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 94 degree

12

km/h

Humidity icon

80%

08:00

41

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

13

km/h

Humidity icon

77%

09:00

41

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8°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

13

km/h

Humidity icon

78%

10:00

41

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 87 degree

13

km/h

Humidity icon

77%

11:00

27

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

13

km/h

Humidity icon

67%

12:00

27

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10°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

14

km/h

Humidity icon

67%

13:00

27

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11°

IQAir AirVisual Air Quality Map Wind rotating 62 degree

13

km/h

Humidity icon

66%

14:00

11

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12°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

14

km/h

Humidity icon

63%

15:00

11

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12°

IQAir AirVisual Air Quality Map Wind rotating 65 degree

14

km/h

Humidity icon

61%

16:00

11

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12°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

14

km/h

Humidity icon

62%

17:00

15

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12°

IQAir AirVisual Air Quality Map Wind rotating 66 degree

15

km/h

Humidity icon

61%

18:00

15

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11°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

13

km/h

Humidity icon

66%

19:00

15

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10°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

13

km/h

Humidity icon

71%

20:00

23

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8°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

14

km/h

Humidity icon

72%

21:00

23

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8°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

13

km/h

Humidity icon

65%

22:00

23

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7°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

12

km/h

Humidity icon

64%

23:00

55

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7°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

10

km/h

Humidity icon

64%

Sat

00:00

55

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 107 degree

10

km/h

Humidity icon

63%

01:00

55

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

9

km/h

Humidity icon

62%

02:00

65

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

9

km/h

Humidity icon

61%

03:00

65

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7°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

8

km/h

Humidity icon

58%

04:00

65

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7°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

8

km/h

Humidity icon

56%

05:00

64

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

6

km/h

Humidity icon

53%

06:00

64

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

6

km/h

Humidity icon

52%

07:00

64

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

4

km/h

Humidity icon

52%

08:00

53

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

3

km/h

Humidity icon

54%

09:00

53

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

3

km/h

Humidity icon

53%

10:00

53

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

2

km/h

Humidity icon

52%

11:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

2

km/h

Humidity icon

51%

12:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

4

km/h

Humidity icon

48%

13:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

8

km/h

Humidity icon

47%

14:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

10

km/h

Humidity icon

47%

15:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

10

km/h

Humidity icon

49%

16:00

8

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 18 degree

10

km/h

Humidity icon

51%

17:00

7

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

8

km/h

Humidity icon

53%

18:00

7

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

7

km/h

Humidity icon

60%

19:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 68 degree

7

km/h

Humidity icon

65%

20:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

5

km/h

Humidity icon

66%

21:00

7

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

5

km/h

Humidity icon

68%

22:00

7

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

5

km/h

Humidity icon

68%

23:00

21

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

6

km/h

Humidity icon

65%

Sun

00:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

7

km/h

Humidity icon

63%

Daily forecast

|

St. Catharines air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in St. Catharines?

IQAir exclamation icon

PM2.5 concentration is currently 1.8 times the World Health Organization annual PM2.5 guideline value.

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

50

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Revelstoke, British Columbia

86

2
The national flag of Canada

Etobicoke, Ontario

76

3
The national flag of Canada

Golden, British Columbia

74

4
The national flag of Canada

Waterloo, Ontario

69

5
The national flag of Canada

Penticton, British Columbia

63

6
The national flag of Canada

Port Alberni, British Columbia

63

7
The national flag of Canada

Windsor, Ontario

60

8
The national flag of Canada

Coldstream, British Columbia

59

9
The national flag of Canada

Fernie, British Columbia

59

10
The national flag of Canada

Sherbrooke, Quebec

56

History

Historic air quality graph for St. Catharines

44 AQI⁺ US
Good
00:00–01:00 Oct 22 Local time
AQI⁺ US

History

Historic air quality graph for St. Catharines

44 AQI⁺ US
Good
00:00–01:00 Oct 22 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

50

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Revelstoke, British Columbia

86

2
The national flag of Canada

Etobicoke, Ontario

76

3
The national flag of Canada

Golden, British Columbia

74

4
The national flag of Canada

Waterloo, Ontario

69

5
The national flag of Canada

Penticton, British Columbia

63

6
The national flag of Canada

Port Alberni, British Columbia

63

7
The national flag of Canada

Windsor, Ontario

60

8
The national flag of Canada

Coldstream, British Columbia

59

9
The national flag of Canada

Fernie, British Columbia

59

10
The national flag of Canada

Sherbrooke, Quebec

56

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