Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 13.4K Followers • 15:00, May 09 Local time

Stanton AQI Alert nearby

Stanton AQI Alert nearby

View alert

68

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

18.1 µg/m³

weather condition icon

29°

wind direction icon

19 km/h

weather humid icon

37 %

Hourly forecast

Ontario air quality index (AQI⁺) forecast

Now

68

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

19

km/h

Humidity icon

37%

17:00

65

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

20

km/h

Humidity icon

38%

18:00

64

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

20

km/h

Humidity icon

42%

19:00

63

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

18

km/h

Humidity icon

46%

20:00

63

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

15

km/h

Humidity icon

51%

21:00

62

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

10

km/h

Humidity icon

55%

22:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

7

km/h

Humidity icon

59%

23:00

62

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 211 degree

6

km/h

Humidity icon

62%

Sun

00:00

61

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

5

km/h

Humidity icon

65%

01:00

61

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

5

km/h

Humidity icon

68%

02:00

66

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

4

km/h

Humidity icon

71%

03:00

66

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

3

km/h

Humidity icon

74%

04:00

66

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

2

km/h

Humidity icon

76%

05:00

63

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

2

km/h

Humidity icon

78%

06:00

63

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

1

km/h

Humidity icon

80%

07:00

63

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

1

km/h

Humidity icon

76%

08:00

63

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 161 degree

2

km/h

Humidity icon

67%

09:00

63

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

4

km/h

Humidity icon

58%

10:00

63

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

8

km/h

Humidity icon

50%

11:00

55

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

8

km/h

Humidity icon

42%

12:00

55

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

9

km/h

Humidity icon

36%

13:00

55

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

13

km/h

Humidity icon

32%

14:00

54

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

17

km/h

Humidity icon

31%

15:00

54

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

19

km/h

Humidity icon

30%

16:00

54

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

20

km/h

Humidity icon

30%

17:00

55

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

20

km/h

Humidity icon

32%

18:00

55

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

19

km/h

Humidity icon

35%

19:00

55

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

16

km/h

Humidity icon

40%

20:00

57

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

13

km/h

Humidity icon

45%

21:00

57

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 232 degree

10

km/h

Humidity icon

51%

22:00

57

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 234 degree

8

km/h

Humidity icon

55%

23:00

60

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

5

km/h

Humidity icon

58%

Mon

00:00

60

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

4

km/h

Humidity icon

61%

01:00

60

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

3

km/h

Humidity icon

65%

02:00

64

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

2

km/h

Humidity icon

67%

03:00

64

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

2

km/h

Humidity icon

70%

04:00

64

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

2

km/h

Humidity icon

73%

05:00

60

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 66 degree

3

km/h

Humidity icon

75%

06:00

60

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

4

km/h

Humidity icon

73%

07:00

60

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

4

km/h

Humidity icon

68%

08:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 88 degree

4

km/h

Humidity icon

56%

09:00

59

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

3

km/h

Humidity icon

42%

10:00

59

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

2

km/h

Humidity icon

29%

11:00

55

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

2

km/h

Humidity icon

20%

12:00

55

Weather icon

35°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

2

km/h

Humidity icon

18%

13:00

55

Weather icon

36°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

7

km/h

Humidity icon

14%

14:00

49

Weather icon

36°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

16

km/h

Humidity icon

17%

15:00

49

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

24

km/h

Humidity icon

25%

16:00

49

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

24

km/h

Humidity icon

24%

17:00

53

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

24

km/h

Humidity icon

29%

18:00

53

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 0 degree

0

km/h

Humidity icon

0%

19:00

53

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

13

km/h

Humidity icon

12%

20:00

62

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

15%

21:00

62

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

19%

22:00

62

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

7

km/h

Humidity icon

24%

23:00

61

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

13

km/h

Humidity icon

22%

Tue

00:00

61

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 0 degree

0

km/h

Humidity icon

0%

01:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

11

km/h

Humidity icon

26%

02:00

59

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

11

km/h

Humidity icon

30%

03:00

59

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

11

km/h

Humidity icon

33%

04:00

59

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

9

km/h

Humidity icon

38%

05:00

62

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 80 degree

11

km/h

Humidity icon

35%

06:00

62

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 0 degree

0

km/h

Humidity icon

0%

07:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 120 degree

9

km/h

Humidity icon

30%

08:00

64

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

9

km/h

Humidity icon

28%

09:00

64

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

7

km/h

Humidity icon

26%

10:00

64

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

9

km/h

Humidity icon

23%

11:00

63

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

7

km/h

Humidity icon

19%

12:00

63

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 0 degree

0

km/h

Humidity icon

0%

13:00

63

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

11

km/h

Humidity icon

23%

14:00

62

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

13

km/h

Humidity icon

23%

15:00

62

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

15

km/h

Humidity icon

22%

Daily forecast

|

Ontario air quality index (AQI⁺) forecast

Today

67

Weather icon

29°

16°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

20

km/h

Humidity icon

56%

Sat

59

Weather icon

31°

17°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

20

km/h

Humidity icon

46%

Sun

58

Weather icon

36°

19°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

24

km/h

Humidity icon

30%

Air pollutants

What is the current air quality in Ontario?

IQAir exclamation icon

PM2.5 concentration is currently 3.6 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in Ontario

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 Ontario today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Moderate

50%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Ontario

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Pollen

What is the pollen count in Ontario today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Moderate

50%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Ontario

Protect yourself from air pollution in Ontario

SHOP IQAIR PRODUCTS

Atem_X.png

Air Purifiers

FaceMasks.png

Face Masks

Air_Monitors.png

Air Quality Monitors

Most polluted locations near Ontario

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Ontario

#StationsAQI⁺ US
1
The national flag of USA

Castle

68

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Altadena, California

79

2
The national flag of USA

Glendale, California

79

3
The national flag of USA

La Crescenta-Montrose, California

79

4
The national flag of USA

East Los Angeles, California

77

5
The national flag of USA

La Cañada Flintridge, California

77

6
The national flag of USA

Pasadena, California

77

7
The national flag of USA

Huntington Park, California

75

8
The national flag of USA

East Pasadena, California

74

9
The national flag of USA

Florence-Graham, California

74

10
The national flag of USA

San Marino, California

74

History

Historic air quality graph for Ontario

68 AQI⁺ US
Moderate
14:00–15:00 May 09 Local time
AQI⁺ US

History

Historic air quality graph for Ontario

68 AQI⁺ US
Moderate
14:00–15:00 May 09 Local time
AQI⁺ US

Most polluted locations near Ontario

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Ontario

#StationsAQI⁺ US
1
The national flag of USA

Castle

68

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Altadena, California

79

2
The national flag of USA

Glendale, California

79

3
The national flag of USA

La Crescenta-Montrose, California

79

4
The national flag of USA

East Los Angeles, California

77

5
The national flag of USA

La Cañada Flintridge, California

77

6
The national flag of USA

Pasadena, California

77

7
The national flag of USA

Huntington Park, California

75

8
The national flag of USA

East Pasadena, California

74

9
The national flag of USA

Florence-Graham, California

74

10
The national flag of USA

San Marino, California

74

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 Ontario?