Air quality in Waterloo

Air quality index (AQI⁺) and PM2.5 air pollution in Waterloo • 550 Followers • 20:00, Apr 20 Local time

17

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3 µg/m³

weather condition icon

-3°

wind direction icon

5 km/h

weather humid icon

50 %

Hourly forecast

Waterloo air quality index (AQI⁺) forecast

Now

17

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

5

km/h

Humidity icon

50%

Tue

02:00

19

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

3

km/h

Humidity icon

51%

03:00

19

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

2

km/h

Humidity icon

52%

04:00

20

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

2

km/h

Humidity icon

52%

05:00

23

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

3

km/h

Humidity icon

52%

06:00

24

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

4

km/h

Humidity icon

51%

07:00

24

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

4

km/h

Humidity icon

44%

08:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 174 degree

7

km/h

Humidity icon

31%

09:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 208 degree

9

km/h

Humidity icon

27%

10:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 218 degree

9

km/h

Humidity icon

25%

11:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 217 degree

10

km/h

Humidity icon

25%

12:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 207 degree

10

km/h

Humidity icon

26%

13:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 214 degree

11

km/h

Humidity icon

26%

14:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 210 degree

12

km/h

Humidity icon

28%

15:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 218 degree

12

km/h

Humidity icon

29%

16:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 213 degree

12

km/h

Humidity icon

29%

17:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 201 degree

11

km/h

Humidity icon

30%

18:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 189 degree

10

km/h

Humidity icon

34%

19:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 182 degree

7

km/h

Humidity icon

36%

20:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 161 degree

4

km/h

Humidity icon

38%

21:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 145 degree

6

km/h

Humidity icon

37%

22:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 155 degree

8

km/h

Humidity icon

31%

23:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 159 degree

8

km/h

Humidity icon

36%

Wed

00:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 163 degree

8

km/h

Humidity icon

38%

01:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 163 degree

9

km/h

Humidity icon

41%

02:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 159 degree

10

km/h

Humidity icon

42%

03:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 158 degree

9

km/h

Humidity icon

42%

04:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 154 degree

10

km/h

Humidity icon

43%

05:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 154 degree

10

km/h

Humidity icon

42%

06:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 155 degree

9

km/h

Humidity icon

45%

07:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 161 degree

8

km/h

Humidity icon

46%

08:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 166 degree

7

km/h

Humidity icon

54%

09:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 158 degree

9

km/h

Humidity icon

64%

10:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 146 degree

9

km/h

Humidity icon

65%

11:00

46

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 155 degree

8

km/h

Humidity icon

64%

12:00

46

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 181 degree

6

km/h

Humidity icon

62%

13:00

46

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 227 degree

8

km/h

Humidity icon

62%

14:00

55

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 250 degree

9

km/h

Humidity icon

70%

15:00

55

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 257 degree

7

km/h

Humidity icon

76%

16:00

55

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 259 degree

6

km/h

Humidity icon

75%

17:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 259 degree

5

km/h

Humidity icon

81%

18:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 245 degree

5

km/h

Humidity icon

78%

19:00

57

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 248 degree

4

km/h

Humidity icon

85%

20:00

63

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

5

km/h

Humidity icon

82%

21:00

63

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 57 degree

4

km/h

Humidity icon

96%

22:00

63

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 81 degree

4

km/h

Humidity icon

96%

23:00

83

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 88 degree

3

km/h

Humidity icon

96%

Thu

00:00

83

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 106 degree

4

km/h

Humidity icon

96%

01:00

83

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 129 degree

3

km/h

Humidity icon

96%

02:00

81

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 350 degree

4

km/h

Humidity icon

97%

03:00

81

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 332 degree

4

km/h

Humidity icon

97%

04:00

81

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 290 degree

3

km/h

Humidity icon

97%

05:00

82

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 330 degree

6

km/h

Humidity icon

99%

06:00

82

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 344 degree

11

km/h

Humidity icon

98%

07:00

82

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 345 degree

9

km/h

Humidity icon

97%

08:00

80

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 341 degree

12

km/h

Humidity icon

86%

09:00

80

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 338 degree

14

km/h

Humidity icon

73%

10:00

80

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 329 degree

15

km/h

Humidity icon

64%

11:00

64

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 326 degree

18

km/h

Humidity icon

57%

12:00

64

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 325 degree

20

km/h

Humidity icon

50%

13:00

64

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 331 degree

18

km/h

Humidity icon

51%

14:00

35

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 335 degree

18

km/h

Humidity icon

49%

15:00

35

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 345 degree

18

km/h

Humidity icon

52%

16:00

35

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 354 degree

20

km/h

Humidity icon

48%

17:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 360 degree

18

km/h

Humidity icon

49%

18:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 6 degree

17

km/h

Humidity icon

54%

19:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 3 degree

15

km/h

Humidity icon

60%

20:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 4 degree

12

km/h

Humidity icon

68%

21:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 358 degree

9

km/h

Humidity icon

75%

22:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 356 degree

7

km/h

Humidity icon

82%

23:00

14

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

7

km/h

Humidity icon

86%

Fri

00:00

14

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

6

km/h

Humidity icon

91%

Daily forecast

|

Waterloo air quality index (AQI⁺) forecast

Today

19

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

12

km/h

Humidity icon

32%

Wed

34

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 270 degree

9

km/h

Humidity icon

71%

Thu

63

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 0 degree

20

km/h

Humidity icon

65%

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

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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 Waterloo

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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

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Pollen

What is the pollen count in Waterloo today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

None

0%
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

None

0%
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

Station ranking

Real-time AQI⁺ station ranking for stations in Waterloo

#StationsAQI⁺ US
1
The national flag of Canada

Shefford, Quebec

17

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Fort St John, British Columbia

60

2
The national flag of Canada

Levis, Quebec

53

3
The national flag of Canada

Quebec, Quebec

44

4
The national flag of Canada

High Prairie, Alberta

40

5
The national flag of Canada

Fort Mckay, Alberta

39

6
The national flag of Canada

Leduc, Alberta

39

7
The national flag of Canada

Mississauga, Ontario

39

8
The national flag of Canada

Oakville, Ontario

39

9
The national flag of Canada

Regional District of Central Kootenay, British Columbia

39

10
The national flag of Canada

Gatineau, Quebec

38

History

Historic air quality graph for Waterloo

17 AQI⁺ US
Good
19:00–20:00 Apr 20 Local time
AQI⁺ US

History

Historic air quality graph for Waterloo

17 AQI⁺ US
Good
19:00–20:00 Apr 20 Local time
AQI⁺ US

Most polluted locations near Waterloo

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Waterloo

#StationsAQI⁺ US
1
The national flag of Canada

Shefford, Quebec

17

City ranking

Real-time Canada AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Fort St John, British Columbia

60

2
The national flag of Canada

Levis, Quebec

53

3
The national flag of Canada

Quebec, Quebec

44

4
The national flag of Canada

High Prairie, Alberta

40

5
The national flag of Canada

Fort Mckay, Alberta

39

6
The national flag of Canada

Leduc, Alberta

39

7
The national flag of Canada

Mississauga, Ontario

39

8
The national flag of Canada

Oakville, Ontario

39

9
The national flag of Canada

Regional District of Central Kootenay, British Columbia

39

10
The national flag of Canada

Gatineau, Quebec

38

Measure your own air quality

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

Where is the cleanest air quality in Waterloo?