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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 1.7K Followers • 23:00, Nov 06 Local time

58

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

12.8 µg/m³

weather condition icon

8°

wind direction icon

2 km/h

weather humid icon

53 %

Hourly forecast

Ontario air quality index (AQI⁺) forecast

Now

58

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

2

km/h

Humidity icon

53%

Sat

02:00

47

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8°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

4

km/h

Humidity icon

54%

03:00

44

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8°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

2

km/h

Humidity icon

54%

04:00

40

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

2

km/h

Humidity icon

58%

05:00

35

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

2

km/h

Humidity icon

59%

06:00

31

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

3

km/h

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60%

07:00

27

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

3

km/h

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61%

08:00

29

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

5

km/h

Humidity icon

57%

09:00

26

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

3

km/h

Humidity icon

49%

10:00

22

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 119 degree

4

km/h

Humidity icon

42%

11:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

9

km/h

Humidity icon

37%

12:00

18

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15°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

10

km/h

Humidity icon

33%

13:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

15

km/h

Humidity icon

29%

14:00

13

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

17

km/h

Humidity icon

28%

15:00

13

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

16

km/h

Humidity icon

27%

16:00

13

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

13

km/h

Humidity icon

29%

17:00

15

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

4

km/h

Humidity icon

36%

18:00

15

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

4

km/h

Humidity icon

39%

19:00

15

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 23 degree

6

km/h

Humidity icon

41%

20:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

8

km/h

Humidity icon

43%

21:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

22

km/h

Humidity icon

37%

22:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

23

km/h

Humidity icon

38%

23:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

24

km/h

Humidity icon

39%

Sun

00:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

25

km/h

Humidity icon

38%

01:00

18

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

23

km/h

Humidity icon

41%

02:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

21

km/h

Humidity icon

43%

03:00

21

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 152 degree

21

km/h

Humidity icon

46%

04:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

12

km/h

Humidity icon

51%

05:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

13

km/h

Humidity icon

52%

06:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

11

km/h

Humidity icon

53%

07:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

10

km/h

Humidity icon

54%

08:00

25

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

6

km/h

Humidity icon

55%

09:00

25

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11°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

6

km/h

Humidity icon

50%

10:00

25

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 133 degree

3

km/h

Humidity icon

45%

11:00

25

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14°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

3

km/h

Humidity icon

42%

12:00

25

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14°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

5

km/h

Humidity icon

41%

13:00

25

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15°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

8

km/h

Humidity icon

39%

14:00

17

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15°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

8

km/h

Humidity icon

38%

15:00

17

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16°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

10

km/h

Humidity icon

37%

16:00

17

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15°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

9

km/h

Humidity icon

39%

17:00

12

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14°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

8

km/h

Humidity icon

43%

18:00

12

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13°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

7

km/h

Humidity icon

44%

19:00

12

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12°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

7

km/h

Humidity icon

47%

20:00

19

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11°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

8

km/h

Humidity icon

50%

21:00

19

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10°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

9

km/h

Humidity icon

57%

22:00

19

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9°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

9

km/h

Humidity icon

66%

23:00

19

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8°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

9

km/h

Humidity icon

72%

Mon

00:00

19

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8°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

8

km/h

Humidity icon

74%

01:00

19

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8°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

7

km/h

Humidity icon

74%

02:00

18

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

6

km/h

Humidity icon

73%

03:00

18

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8°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

4

km/h

Humidity icon

73%

04:00

18

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7°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

3

km/h

Humidity icon

75%

05:00

11

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

2

km/h

Humidity icon

75%

06:00

11

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

1

km/h

Humidity icon

74%

07:00

11

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 169 degree

2

km/h

Humidity icon

74%

08:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

3

km/h

Humidity icon

72%

09:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

3

km/h

Humidity icon

65%

10:00

11

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

3

km/h

Humidity icon

58%

11:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

2

km/h

Humidity icon

52%

12:00

9

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

1

km/h

Humidity icon

48%

13:00

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

3

km/h

Humidity icon

45%

14:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

3

km/h

Humidity icon

44%

15:00

11

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

3

km/h

Humidity icon

43%

16:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

5

km/h

Humidity icon

45%

17:00

10

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

5

km/h

Humidity icon

50%

18:00

10

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 85 degree

7

km/h

Humidity icon

54%

19:00

10

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

4

km/h

Humidity icon

53%

20:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

1

km/h

Humidity icon

52%

21:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

3

km/h

Humidity icon

53%

22:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

3

km/h

Humidity icon

53%

23:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

3

km/h

Humidity icon

55%

Tue

00:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

5

km/h

Humidity icon

55%

Daily forecast

|

Ontario air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Ontario?

IQAir exclamation icon

PM2.5 concentration is currently 2.6 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Protect yourself from air pollution in Ontario

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 Ontario today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Ontario

Health recommendations

Pollen

What is the pollen count in Ontario today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Ontario

Protect yourself from air pollution in Ontario

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 Ontario

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Ontario

#StationsAQI⁺ US
1
The national flag of USA

Ontario May Roberts Elementary School

48

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Pixley, California

149

2
The national flag of USA

Kettleman City, California

138

3
The national flag of USA

Matheny, California

134

4
The national flag of USA

Delano, California

130

5
The national flag of USA

La Pine, Oregon

111

6
The national flag of USA

Laytonville, California

108

7
The national flag of USA

Bakersfield, California

103

8
The national flag of USA

Grants Pass, Oregon

103

9
The national flag of USA

Fresno, California

100

10
The national flag of USA

Clovis, California

97

History

Historic air quality graph for Ontario

58 AQI⁺ US
Moderate
22:00–23:00 Nov 06 Local time
AQI⁺ US

History

Historic air quality graph for Ontario

58 AQI⁺ US
Moderate
22:00–23:00 Nov 06 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

Ontario May Roberts Elementary School

48

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Pixley, California

149

2
The national flag of USA

Kettleman City, California

138

3
The national flag of USA

Matheny, California

134

4
The national flag of USA

Delano, California

130

5
The national flag of USA

La Pine, Oregon

111

6
The national flag of USA

Laytonville, California

108

7
The national flag of USA

Bakersfield, California

103

8
The national flag of USA

Grants Pass, Oregon

103

9
The national flag of USA

Fresno, California

100

10
The national flag of USA

Clovis, California

97

Measure your own air quality

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

Where is the cleanest air quality in Ontario?