Air quality in Markham

Air quality index (AQI⁺) and PM2.5 air pollution in Markham • 9 Followers • 10:00, Apr 17 Local time

43*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

7.7 µg/m³

weather condition icon

25°

wind direction icon

23 km/h

weather humid icon

55 %

Hourly forecast

Markham air quality index (AQI⁺) forecast

Now

43

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

23

km/h

Humidity icon

55%

13:00

44

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

27

km/h

Humidity icon

57%

14:00

44

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

28

km/h

Humidity icon

70%

15:00

45

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

29

km/h

Humidity icon

72%

16:00

44

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

27

km/h

Humidity icon

72%

17:00

44

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 170 degree

28

km/h

Humidity icon

71%

18:00

44

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

27

km/h

Humidity icon

71%

19:00

42

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

26

km/h

Humidity icon

74%

20:00

41

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 169 degree

24

km/h

Humidity icon

77%

21:00

41

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

24

km/h

Humidity icon

82%

22:00

33

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

22

km/h

Humidity icon

82%

23:00

33

Weather icon

90%

17°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

26

km/h

Humidity icon

90%

Sat

00:00

33

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

9

km/h

Humidity icon

95%

01:00

28

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

14

km/h

Humidity icon

99%

02:00

28

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

16

km/h

Humidity icon

98%

03:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

21

km/h

Humidity icon

95%

04:00

24

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

22

km/h

Humidity icon

92%

05:00

24

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

22

km/h

Humidity icon

92%

06:00

24

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 288 degree

28

km/h

Humidity icon

95%

07:00

14

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 300 degree

27

km/h

Humidity icon

92%

08:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 291 degree

23

km/h

Humidity icon

90%

09:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

23

km/h

Humidity icon

85%

10:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 298 degree

24

km/h

Humidity icon

74%

11:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 289 degree

21

km/h

Humidity icon

70%

12:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 285 degree

24

km/h

Humidity icon

64%

13:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 281 degree

23

km/h

Humidity icon

59%

14:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

25

km/h

Humidity icon

56%

15:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

26

km/h

Humidity icon

53%

16:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

26

km/h

Humidity icon

52%

17:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 280 degree

25

km/h

Humidity icon

52%

18:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 285 degree

24

km/h

Humidity icon

54%

19:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 290 degree

22

km/h

Humidity icon

59%

20:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 293 degree

20

km/h

Humidity icon

66%

21:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 295 degree

19

km/h

Humidity icon

70%

22:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 295 degree

19

km/h

Humidity icon

71%

23:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 298 degree

17

km/h

Humidity icon

72%

Sun

00:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 299 degree

15

km/h

Humidity icon

76%

01:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 307 degree

12

km/h

Humidity icon

80%

02:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 275 degree

5

km/h

Humidity icon

87%

03:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 244 degree

6

km/h

Humidity icon

96%

04:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 236 degree

8

km/h

Humidity icon

100%

05:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 238 degree

8

km/h

Humidity icon

99%

06:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 241 degree

9

km/h

Humidity icon

98%

07:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 249 degree

10

km/h

Humidity icon

90%

08:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 255 degree

11

km/h

Humidity icon

34%

09:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 270 degree

14

km/h

Humidity icon

27%

10:00

13

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

16

km/h

Humidity icon

22%

11:00

13

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

17

km/h

Humidity icon

22%

12:00

13

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

16

km/h

Humidity icon

26%

13:00

14

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

18

km/h

Humidity icon

25%

14:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

21

km/h

Humidity icon

39%

15:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

19

km/h

Humidity icon

44%

16:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

18

km/h

Humidity icon

43%

17:00

14

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

20

km/h

Humidity icon

45%

18:00

14

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

18

km/h

Humidity icon

35%

19:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 346 degree

13

km/h

Humidity icon

38%

20:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 321 degree

14

km/h

Humidity icon

38%

21:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 334 degree

9

km/h

Humidity icon

40%

22:00

26

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 320 degree

10

km/h

Humidity icon

37%

23:00

26

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 335 degree

10

km/h

Humidity icon

34%

Mon

00:00

26

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 336 degree

8

km/h

Humidity icon

35%

01:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 336 degree

8

km/h

Humidity icon

36%

02:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 336 degree

8

km/h

Humidity icon

36%

03:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 342 degree

8

km/h

Humidity icon

36%

04:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 359 degree

6

km/h

Humidity icon

38%

05:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 10 degree

5

km/h

Humidity icon

41%

06:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 17 degree

4

km/h

Humidity icon

47%

07:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 34 degree

4

km/h

Humidity icon

50%

08:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 61 degree

4

km/h

Humidity icon

46%

09:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 95 degree

5

km/h

Humidity icon

34%

10:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 126 degree

6

km/h

Humidity icon

25%

11:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

6

km/h

Humidity icon

22%

Daily forecast

|

Markham air quality index (AQI⁺) forecast

Today

44

Weather icon

25°

12°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

29

km/h

Humidity icon

77%

Sat

22

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

28

km/h

Humidity icon

68%

Sun

11

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

21

km/h

Humidity icon

41%

Air pollutants

What is the current air quality in Markham?

IQAir exclamation icon

PM2.5 concentration is currently 1.5 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 Markham

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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 Markham 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 Markham

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 Markham 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 Markham

Protect yourself from air pollution in Markham

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 Markham

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Indio, California

115

2
The national flag of USA

Avenal, California

105

3
The national flag of USA

Salton City, California

81

4
The national flag of USA

Palm Desert, California

78

5
The national flag of USA

Corpus Christi, Texas

65

6
The national flag of USA

Casa Grande, Arizona

64

7
The national flag of USA

Falmouth, Massachusetts

64

8
The national flag of USA

Holtville, California

64

9
The national flag of USA

Klamath Falls, Oregon

64

10
The national flag of USA

Chelsea, Massachusetts

63

History

Historic air quality graph for Markham

43 AQI⁺ US
Good
10:00–11:00 Apr 17 Local time
AQI⁺ US

History

Historic air quality graph for Markham

43 AQI⁺ US
Good
10:00–11:00 Apr 17 Local time
AQI⁺ US

Most polluted locations near Markham

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Indio, California

115

2
The national flag of USA

Avenal, California

105

3
The national flag of USA

Salton City, California

81

4
The national flag of USA

Palm Desert, California

78

5
The national flag of USA

Corpus Christi, Texas

65

6
The national flag of USA

Casa Grande, Arizona

64

7
The national flag of USA

Falmouth, Massachusetts

64

8
The national flag of USA

Holtville, California

64

9
The national flag of USA

Klamath Falls, Oregon

64

10
The national flag of USA

Chelsea, Massachusetts

63

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

Where is the cleanest air quality in Markham?

No locations are available.