Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 159.6K Followers • 16:00, May 10 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

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48

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

118 µg/m³

weather condition icon

13°

wind direction icon

11 km/h

weather humid icon

48 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

48

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

11

km/h

Humidity icon

48%

17:00

46

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

10

km/h

Humidity icon

47%

18:00

43

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

10

km/h

Humidity icon

48%

19:00

41

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

9

km/h

Humidity icon

50%

20:00

39

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

6

km/h

Humidity icon

51%

21:00

38

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

6

km/h

Humidity icon

52%

22:00

37

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

6

km/h

Humidity icon

50%

23:00

35

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 275 degree

7

km/h

Humidity icon

47%

Mon

00:00

35

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 278 degree

10

km/h

Humidity icon

40%

01:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 274 degree

12

km/h

Humidity icon

30%

02:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 273 degree

12

km/h

Humidity icon

28%

03:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 277 degree

11

km/h

Humidity icon

32%

04:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 277 degree

13

km/h

Humidity icon

35%

05:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 269 degree

13

km/h

Humidity icon

35%

06:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 263 degree

14

km/h

Humidity icon

33%

07:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 261 degree

15

km/h

Humidity icon

36%

08:00

22

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

11

km/h

Humidity icon

35%

09:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

5

km/h

Humidity icon

26%

10:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

3

km/h

Humidity icon

23%

11:00

19

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

6

km/h

Humidity icon

21%

12:00

16

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

10

km/h

Humidity icon

21%

13:00

16

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

10

km/h

Humidity icon

19%

14:00

16

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

13

km/h

Humidity icon

19%

15:00

55

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

17

km/h

Humidity icon

18%

16:00

55

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

18

km/h

Humidity icon

20%

17:00

55

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

20

km/h

Humidity icon

15%

18:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

19

km/h

Humidity icon

15%

19:00

58

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

15

km/h

Humidity icon

19%

20:00

58

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

15

km/h

Humidity icon

21%

21:00

31

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

20

km/h

Humidity icon

18%

22:00

31

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

22

km/h

Humidity icon

16%

23:00

31

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

23

km/h

Humidity icon

16%

Tue

00:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

24

km/h

Humidity icon

16%

01:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

24

km/h

Humidity icon

16%

02:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

25

km/h

Humidity icon

18%

03:00

16

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

24

km/h

Humidity icon

21%

04:00

16

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

22

km/h

Humidity icon

23%

05:00

16

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

19

km/h

Humidity icon

24%

06:00

18

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

6

km/h

Humidity icon

24%

07:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 113 degree

4

km/h

Humidity icon

52%

08:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 136 degree

6

km/h

Humidity icon

63%

09:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

10

km/h

Humidity icon

58%

10:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

9

km/h

Humidity icon

52%

11:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

10

km/h

Humidity icon

47%

12:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

11

km/h

Humidity icon

40%

13:00

19

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

12

km/h

Humidity icon

34%

14:00

19

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

13

km/h

Humidity icon

35%

15:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

13

km/h

Humidity icon

42%

16:00

18

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 94 degree

13

km/h

Humidity icon

40%

17:00

18

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 94 degree

11

km/h

Humidity icon

42%

18:00

17

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

11

km/h

Humidity icon

43%

19:00

17

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

15

km/h

Humidity icon

35%

20:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

2

km/h

Humidity icon

51%

21:00

19

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

9

km/h

Humidity icon

52%

22:00

19

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

10

km/h

Humidity icon

53%

23:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 261 degree

11

km/h

Humidity icon

56%

Wed

00:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 276 degree

10

km/h

Humidity icon

57%

01:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

9

km/h

Humidity icon

58%

02:00

27

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 270 degree

9

km/h

Humidity icon

56%

03:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

10

km/h

Humidity icon

51%

04:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 268 degree

9

km/h

Humidity icon

47%

05:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

10

km/h

Humidity icon

45%

06:00

28

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 268 degree

12

km/h

Humidity icon

43%

07:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

9

km/h

Humidity icon

40%

08:00

28

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

2

km/h

Humidity icon

28%

09:00

16

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

3

km/h

Humidity icon

21%

10:00

16

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

5

km/h

Humidity icon

17%

11:00

16

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

7

km/h

Humidity icon

16%

12:00

15

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

14

km/h

Humidity icon

16%

13:00

15

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 86 degree

26

km/h

Humidity icon

20%

14:00

15

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

24

km/h

Humidity icon

24%

15:00

15

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

17

km/h

Humidity icon

21%

Daily forecast

|

Boulder County air quality index (AQI⁺) forecast

Today

47

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

12

km/h

Humidity icon

67%

Mon

26

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

22

km/h

Humidity icon

22%

Tue

25

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

15

km/h

Humidity icon

45%

Air pollutants

What is the current air quality in Boulder County?

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

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Protect yourself from air pollution in Boulder County

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Pollen

What is the pollen count in Boulder County 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 Boulder County

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 Boulder County 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 Boulder County

Protect yourself from air pollution in Boulder County

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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.

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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

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Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

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Most polluted locations near Boulder County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder County

#StationsAQI⁺ US
1
The national flag of USA

1066 Berea Dr

43

2
The national flag of USA

10th Street

34

3
The national flag of USA

285 Vail Cir

34

4
The national flag of USA

1491 High St

31

5
The national flag of USA

16-7362 Crannell Dr

31

6
The national flag of USA

2095 Eisenhower Drive

31

7
The national flag of USA

Bean Mountain Lane

29

8
The national flag of USA

161 Swallow Ln

27

9
The national flag of USA

47th Street

22

10
The national flag of USA

18th Street

21

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Jersey City, New Jersey

92

2
The national flag of USA

Hoboken, New Jersey

86

3
The national flag of USA

Detroit Lakes, Minnesota

85

4
The national flag of USA

Glendale, California

85

5
The national flag of USA

Burbank, Los Angeles County, California

83

6
The national flag of USA

Santa Monica, California

82

7
The national flag of USA

West Hollywood, California

80

8
The national flag of USA

Los Angeles, California

79

9
The national flag of USA

East Los Angeles, California

78

10
The national flag of USA

La Crescenta-Montrose, California

77

History

Historic air quality graph for Boulder County

28 AQI⁺ US
Good
15:00–16:00 May 10 Local time
AQI⁺ US

History

Historic air quality graph for Boulder County

28 AQI⁺ US
Good
15:00–16:00 May 10 Local time
AQI⁺ US

Most polluted locations near Boulder County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder County

#StationsAQI⁺ US
1
The national flag of USA

1066 Berea Dr

43

2
The national flag of USA

10th Street

34

3
The national flag of USA

285 Vail Cir

34

4
The national flag of USA

1491 High St

31

5
The national flag of USA

16-7362 Crannell Dr

31

6
The national flag of USA

2095 Eisenhower Drive

31

7
The national flag of USA

Bean Mountain Lane

29

8
The national flag of USA

161 Swallow Ln

27

9
The national flag of USA

47th Street

22

10
The national flag of USA

18th Street

21

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Jersey City, New Jersey

92

2
The national flag of USA

Hoboken, New Jersey

86

3
The national flag of USA

Detroit Lakes, Minnesota

85

4
The national flag of USA

Glendale, California

85

5
The national flag of USA

Burbank, Los Angeles County, California

83

6
The national flag of USA

Santa Monica, California

82

7
The national flag of USA

West Hollywood, California

80

8
The national flag of USA

Los Angeles, California

79

9
The national flag of USA

East Los Angeles, California

78

10
The national flag of USA

La Crescenta-Montrose, California

77

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