Air quality in Waterloo

Air quality index (AQI⁺) and PM2.5 air pollution in Waterloo • 553 Followers • 21:00, May 11 Local time

7*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

1.2 µg/m³

weather condition icon

8°

wind direction icon

13 km/h

weather humid icon

48 %

Hourly forecast

Waterloo air quality index (AQI⁺) forecast

10:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 321 degree

13

km/h

Humidity icon

48%

11:00

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

15

km/h

Humidity icon

46%

12:00

18

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 302 degree

16

km/h

Humidity icon

44%

13:00

18

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

16

km/h

Humidity icon

44%

14:00

11

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

15

km/h

Humidity icon

44%

15:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

16

km/h

Humidity icon

44%

16:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

19

km/h

Humidity icon

44%

17:00

12

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

18

km/h

Humidity icon

45%

18:00

12

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

15

km/h

Humidity icon

46%

19:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

10

km/h

Humidity icon

54%

20:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 258 degree

7

km/h

Humidity icon

55%

21:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 237 degree

6

km/h

Humidity icon

61%

22:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 209 degree

6

km/h

Humidity icon

65%

23:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 201 degree

6

km/h

Humidity icon

67%

00:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 186 degree

6

km/h

Humidity icon

71%

01:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 178 degree

6

km/h

Humidity icon

72%

02:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 169 degree

6

km/h

Humidity icon

67%

03:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 164 degree

6

km/h

Humidity icon

63%

04:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 145 degree

7

km/h

Humidity icon

60%

05:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 150 degree

7

km/h

Humidity icon

57%

06:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 147 degree

9

km/h

Humidity icon

57%

07:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 145 degree

11

km/h

Humidity icon

57%

08:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 141 degree

12

km/h

Humidity icon

56%

09:00

22

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

14

km/h

Humidity icon

53%

10:00

22

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

14

km/h

Humidity icon

54%

11:00

26

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

14

km/h

Humidity icon

54%

12:00

26

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

16

km/h

Humidity icon

69%

13:00

26

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

16

km/h

Humidity icon

86%

14:00

31

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 140 degree

20

km/h

Humidity icon

90%

15:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 137 degree

20

km/h

Humidity icon

92%

16:00

31

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 134 degree

22

km/h

Humidity icon

93%

17:00

58

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 138 degree

22

km/h

Humidity icon

91%

18:00

58

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 142 degree

20

km/h

Humidity icon

92%

19:00

58

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

18

km/h

Humidity icon

91%

20:00

59

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

18

km/h

Humidity icon

92%

21:00

59

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

17

km/h

Humidity icon

91%

22:00

59

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

18

km/h

Humidity icon

91%

23:00

58

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

19

km/h

Humidity icon

90%

00:00

58

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

19

km/h

Humidity icon

90%

01:00

58

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

19

km/h

Humidity icon

91%

02:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 154 degree

18

km/h

Humidity icon

91%

03:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 154 degree

18

km/h

Humidity icon

90%

04:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 156 degree

19

km/h

Humidity icon

88%

05:00

59

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 154 degree

18

km/h

Humidity icon

91%

06:00

59

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 154 degree

17

km/h

Humidity icon

92%

07:00

59

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 151 degree

16

km/h

Humidity icon

92%

08:00

58

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 143 degree

14

km/h

Humidity icon

94%

09:00

58

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 230 degree

4

km/h

Humidity icon

98%

10:00

58

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 232 degree

3

km/h

Humidity icon

99%

11:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 240 degree

4

km/h

Humidity icon

99%

12:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 253 degree

5

km/h

Humidity icon

98%

13:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

4

km/h

Humidity icon

98%

14:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

3

km/h

Humidity icon

96%

15:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 339 degree

5

km/h

Humidity icon

99%

16:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 354 degree

4

km/h

Humidity icon

99%

17:00

12

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 28 degree

5

km/h

Humidity icon

99%

18:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

5

km/h

Humidity icon

98%

19:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 17 degree

5

km/h

Humidity icon

99%

20:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 14 degree

5

km/h

Humidity icon

99%

21:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 21 degree

5

km/h

Humidity icon

99%

22:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 8 degree

5

km/h

Humidity icon

100%

23:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 22 degree

5

km/h

Humidity icon

99%

00:00

21

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 34 degree

4

km/h

Humidity icon

100%

01:00

21

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 19 degree

6

km/h

Humidity icon

100%

02:00

36

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 11 degree

6

km/h

Humidity icon

100%

03:00

36

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 47 degree

6

km/h

Humidity icon

99%

04:00

36

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 51 degree

10

km/h

Humidity icon

98%

05:00

39

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

9

km/h

Humidity icon

98%

06:00

39

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 52 degree

7

km/h

Humidity icon

99%

07:00

39

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 60 degree

8

km/h

Humidity icon

98%

08:00

46

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

9

km/h

Humidity icon

97%

Daily forecast

|

Waterloo air quality index (AQI⁺) forecast

Today

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

19

km/h

Humidity icon

53%

Wed

26

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

22

km/h

Humidity icon

77%

Thu

44

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

17

km/h

Humidity icon

98%

Air pollutants

What is the current air quality in Waterloo?

IQAir Check icon

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

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 Waterloo

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

Pollen

What is the pollen count in Waterloo 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 Waterloo

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 Waterloo 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 Waterloo

Protect yourself from air pollution in Waterloo

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 Waterloo

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Hazelton, British Columbia

46

2
The national flag of Canada

Fort St John, British Columbia

41

3
The national flag of Canada

Hamilton, Ontario

38

4
The national flag of Canada

Port Moody, British Columbia

32

5
The national flag of Canada

Coquitlam, British Columbia

31

6
The national flag of Canada

High Prairie, Alberta

31

7
The national flag of Canada

Nanaimo, British Columbia

30

8
The national flag of Canada

Abbotsford, British Columbia

28

9
The national flag of Canada

Whitehorse, Yukon

28

10
The national flag of Canada

Grimshaw, Alberta

27

History

Historic air quality graph for Waterloo

7 AQI⁺ US
Good
21:00–22:00 May 11 Local time
AQI⁺ US

History

Historic air quality graph for Waterloo

7 AQI⁺ US
Good
21:00–22:00 May 11 Local time
AQI⁺ US

Most polluted locations near Waterloo

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Hazelton, British Columbia

46

2
The national flag of Canada

Fort St John, British Columbia

41

3
The national flag of Canada

Hamilton, Ontario

38

4
The national flag of Canada

Port Moody, British Columbia

32

5
The national flag of Canada

Coquitlam, British Columbia

31

6
The national flag of Canada

High Prairie, Alberta

31

7
The national flag of Canada

Nanaimo, British Columbia

30

8
The national flag of Canada

Abbotsford, British Columbia

28

9
The national flag of Canada

Whitehorse, Yukon

28

10
The national flag of Canada

Grimshaw, Alberta

27

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

Where is the cleanest air quality in Waterloo?

No locations are available.