Air quality in St. Catharines

Air quality index (AQI⁺) and PM2.5 air pollution in St. Catharines • 12.5K Followers • 17:00, May 09 Local time

40

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

98 µg/m³

weather condition icon

15°

wind direction icon

22 km/h

weather humid icon

84 %

Hourly forecast

St. Catharines air quality index (AQI⁺) forecast

Now

40

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

22

km/h

Humidity icon

84%

21:00

39

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

24

km/h

Humidity icon

86%

22:00

39

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

11

km/h

Humidity icon

97%

23:00

38

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

13

km/h

Humidity icon

93%

Sun

00:00

37

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

15

km/h

Humidity icon

92%

01:00

37

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

17

km/h

Humidity icon

90%

02:00

38

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 290 degree

15

km/h

Humidity icon

91%

03:00

38

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 284 degree

17

km/h

Humidity icon

87%

04:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

20

km/h

Humidity icon

79%

05:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 283 degree

21

km/h

Humidity icon

76%

06:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 272 degree

18

km/h

Humidity icon

82%

07:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 272 degree

18

km/h

Humidity icon

80%

08:00

30

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 278 degree

20

km/h

Humidity icon

73%

09:00

30

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 281 degree

21

km/h

Humidity icon

68%

10:00

30

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 283 degree

19

km/h

Humidity icon

65%

11:00

20

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

17

km/h

Humidity icon

60%

12:00

20

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

17

km/h

Humidity icon

55%

13:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

16

km/h

Humidity icon

53%

14:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

16

km/h

Humidity icon

48%

15:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

16

km/h

Humidity icon

46%

16:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

17

km/h

Humidity icon

44%

17:00

15

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

17

km/h

Humidity icon

43%

18:00

15

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

17

km/h

Humidity icon

45%

19:00

15

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

15

km/h

Humidity icon

55%

20:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

12

km/h

Humidity icon

68%

21:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

8

km/h

Humidity icon

77%

22:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 279 degree

5

km/h

Humidity icon

76%

23:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 240 degree

6

km/h

Humidity icon

75%

Mon

00:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 261 degree

7

km/h

Humidity icon

71%

01:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 279 degree

10

km/h

Humidity icon

70%

02:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 309 degree

20

km/h

Humidity icon

75%

03:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 323 degree

17

km/h

Humidity icon

76%

04:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 317 degree

14

km/h

Humidity icon

78%

05:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 314 degree

15

km/h

Humidity icon

73%

06:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 300 degree

14

km/h

Humidity icon

80%

07:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 290 degree

15

km/h

Humidity icon

75%

08:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 296 degree

17

km/h

Humidity icon

71%

09:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 301 degree

16

km/h

Humidity icon

72%

10:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 311 degree

13

km/h

Humidity icon

69%

11:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 319 degree

12

km/h

Humidity icon

63%

12:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

10

km/h

Humidity icon

58%

13:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 309 degree

11

km/h

Humidity icon

55%

14:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

10

km/h

Humidity icon

53%

15:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

9

km/h

Humidity icon

52%

16:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

10

km/h

Humidity icon

52%

17:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

10

km/h

Humidity icon

53%

18:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 296 degree

11

km/h

Humidity icon

64%

19:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 276 degree

9

km/h

Humidity icon

59%

20:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 243 degree

7

km/h

Humidity icon

69%

21:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 352 degree

13

km/h

Humidity icon

55%

22:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 3 degree

14

km/h

Humidity icon

58%

23:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 8 degree

11

km/h

Humidity icon

58%

Tue

00:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 12 degree

9

km/h

Humidity icon

60%

01:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 5 degree

8

km/h

Humidity icon

62%

02:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 356 degree

7

km/h

Humidity icon

64%

03:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 355 degree

6

km/h

Humidity icon

67%

04:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 354 degree

5

km/h

Humidity icon

70%

05:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 343 degree

4

km/h

Humidity icon

73%

06:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 298 degree

4

km/h

Humidity icon

77%

07:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 273 degree

4

km/h

Humidity icon

75%

08:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 261 degree

4

km/h

Humidity icon

67%

09:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 250 degree

3

km/h

Humidity icon

61%

10:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

7

km/h

Humidity icon

56%

11:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

6

km/h

Humidity icon

52%

12:00

13

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

4

km/h

Humidity icon

50%

13:00

13

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

4

km/h

Humidity icon

49%

14:00

18

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

4

km/h

Humidity icon

49%

15:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

5

km/h

Humidity icon

48%

16:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

7

km/h

Humidity icon

47%

17:00

20

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

12

km/h

Humidity icon

42%

18:00

20

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

14

km/h

Humidity icon

45%

19:00

20

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

14

km/h

Humidity icon

51%

Daily forecast

|

St. Catharines air quality index (AQI⁺) forecast

Today

28

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

21

km/h

Humidity icon

61%

Sun

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

17

km/h

Humidity icon

62%

Mon

14

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

14

km/h

Humidity icon

55%

Air pollutants

What is the current air quality in St. Catharines?

IQAir exclamation icon

PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.

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

Protect yourself from air pollution in St. Catharines

SHOP IQAIR PRODUCTS

Atem_X.png

Air Purifiers

FaceMasks.png

Face Masks

Air_Monitors.png

Air Quality Monitors

Pollen

What is the pollen count in St. Catharines 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 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

Low

25%
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

Atem_X.png

Air Purifiers

FaceMasks.png

Face Masks

Air_Monitors.png

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

39

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Chilliwack, British Columbia

52

2
The national flag of Canada

Leduc, Alberta

48

3
The national flag of Canada

Calgary, Alberta

47

4
The national flag of Canada

Cochrane, Alberta

46

5
The national flag of Canada

Coquitlam, British Columbia

46

6
The national flag of Canada

Gatineau, Quebec

45

7
The national flag of Canada

Port Moody, British Columbia

44

8
The national flag of Canada

Airdrie, Alberta

43

9
The national flag of Canada

Burnaby, British Columbia

43

10
The national flag of Canada

Ottawa, Ontario

43

History

Historic air quality graph for St. Catharines

40 AQI⁺ US
Good
16:00–17:00 May 09 Local time
AQI⁺ US

History

Historic air quality graph for St. Catharines

40 AQI⁺ US
Good
16:00–17:00 May 09 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

39

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Chilliwack, British Columbia

52

2
The national flag of Canada

Leduc, Alberta

48

3
The national flag of Canada

Calgary, Alberta

47

4
The national flag of Canada

Cochrane, Alberta

46

5
The national flag of Canada

Coquitlam, British Columbia

46

6
The national flag of Canada

Gatineau, Quebec

45

7
The national flag of Canada

Port Moody, British Columbia

44

8
The national flag of Canada

Airdrie, Alberta

43

9
The national flag of Canada

Burnaby, British Columbia

43

10
The national flag of Canada

Ottawa, Ontario

43

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?