Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 160K Followers • 11:00, May 16 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

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47

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

114 µg/m³

weather condition icon

15°

wind direction icon

11 km/h

weather humid icon

36 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

47

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

11

km/h

Humidity icon

36%

12:00

44

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

11

km/h

Humidity icon

36%

13:00

41

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

13

km/h

Humidity icon

35%

14:00

38

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

26

km/h

Humidity icon

55%

15:00

36

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

12

km/h

Humidity icon

41%

16:00

33

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

10

km/h

Humidity icon

39%

17:00

30

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

22

km/h

Humidity icon

42%

18:00

25

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 119 degree

12

km/h

Humidity icon

46%

19:00

22

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

3

km/h

Humidity icon

44%

20:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

5

km/h

Humidity icon

47%

21:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

10

km/h

Humidity icon

56%

22:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

12

km/h

Humidity icon

70%

23:00

13

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 334 degree

9

km/h

Humidity icon

86%

Sun

00:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 357 degree

6

km/h

Humidity icon

85%

01:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 334 degree

1

km/h

Humidity icon

88%

02:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 249 degree

2

km/h

Humidity icon

87%

03:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 21 degree

3

km/h

Humidity icon

84%

04:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 332 degree

5

km/h

Humidity icon

81%

05:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 338 degree

4

km/h

Humidity icon

67%

06:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 84 degree

2

km/h

Humidity icon

76%

07:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 151 degree

4

km/h

Humidity icon

90%

08:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 131 degree

8

km/h

Humidity icon

97%

09:00

22

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 127 degree

12

km/h

Humidity icon

98%

10:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 124 degree

17

km/h

Humidity icon

97%

11:00

22

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 114 degree

14

km/h

Humidity icon

98%

12:00

31

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 101 degree

9

km/h

Humidity icon

92%

13:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 125 degree

5

km/h

Humidity icon

94%

14:00

31

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 284 degree

8

km/h

Humidity icon

94%

15:00

39

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 329 degree

5

km/h

Humidity icon

87%

16:00

39

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 89 degree

10

km/h

Humidity icon

78%

17:00

39

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 79 degree

15

km/h

Humidity icon

98%

18:00

57

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 105 degree

12

km/h

Humidity icon

99%

19:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 79 degree

13

km/h

Humidity icon

93%

20:00

57

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 64 degree

10

km/h

Humidity icon

94%

21:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 51 degree

4

km/h

Humidity icon

93%

22:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 87 degree

5

km/h

Humidity icon

94%

23:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 111 degree

5

km/h

Humidity icon

96%

Mon

00:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 114 degree

6

km/h

Humidity icon

96%

01:00

57

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 74 degree

5

km/h

Humidity icon

93%

02:00

57

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 88 degree

3

km/h

Humidity icon

93%

03:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 343 degree

1

km/h

Humidity icon

93%

04:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 301 degree

2

km/h

Humidity icon

95%

05:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 90 degree

2

km/h

Humidity icon

97%

06:00

26

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 97 degree

4

km/h

Humidity icon

98%

07:00

26

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 83 degree

6

km/h

Humidity icon

99%

08:00

26

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 78 degree

5

km/h

Humidity icon

98%

09:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 72 degree

8

km/h

Humidity icon

99%

10:00

24

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 63 degree

10

km/h

Humidity icon

99%

11:00

24

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 26 degree

9

km/h

Humidity icon

99%

12:00

39

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 31 degree

9

km/h

Humidity icon

98%

13:00

39

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 57 degree

10

km/h

Humidity icon

99%

14:00

39

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 65 degree

9

km/h

Humidity icon

98%

15:00

43

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 29 degree

10

km/h

Humidity icon

99%

16:00

43

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 48 degree

10

km/h

Humidity icon

99%

17:00

43

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

6

km/h

Humidity icon

99%

18:00

44

Weather icon

90%

-2°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

6

km/h

Humidity icon

100%

19:00

44

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

6

km/h

Humidity icon

99%

20:00

44

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

6

km/h

Humidity icon

100%

21:00

54

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 118 degree

5

km/h

Humidity icon

99%

22:00

54

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

8

km/h

Humidity icon

99%

23:00

54

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

8

km/h

Humidity icon

99%

Tue

00:00

24

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

7

km/h

Humidity icon

99%

01:00

24

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

6

km/h

Humidity icon

99%

02:00

24

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

5

km/h

Humidity icon

98%

03:00

14

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

4

km/h

Humidity icon

97%

04:00

14

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

5

km/h

Humidity icon

97%

05:00

14

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

5

km/h

Humidity icon

98%

06:00

7

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 89 degree

6

km/h

Humidity icon

99%

07:00

7

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

7

km/h

Humidity icon

98%

08:00

7

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

8

km/h

Humidity icon

98%

09:00

8

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 86 degree

8

km/h

Humidity icon

98%

10:00

8

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 83 degree

8

km/h

Humidity icon

96%

Daily forecast

|

Boulder County air quality index (AQI⁺) forecast

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

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

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

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 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

818 Co Rd 116

34

2
The national flag of USA

32-16 Flamingo Dr

29

3
The national flag of USA

5555 Valmont Rd

27

4
The national flag of USA

161 Swallow Ln

26

5
The national flag of USA

5668-5698 Valmont Rd

26

6
The national flag of USA

Golden Eagle Lode

26

7
The national flag of USA

5875-5817 Valmont Rd

25

8
The national flag of USA

5699-5669 Valmont Rd

24

9
The national flag of USA

5771-5701 Valmont Rd

24

10
The national flag of USA

47th Street

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Tompkins County, New York

158

2
The national flag of USA

St. Louis, Missouri

81

3
The national flag of USA

Riverside County, California

72

4
The national flag of USA

Pahrump, Nevada

69

5
The national flag of USA

Granite City, Illinois

65

6
The national flag of USA

Urbana, Illinois

65

7
The national flag of USA

Champaign, Illinois

64

8
The national flag of USA

Memphis, Tennessee

63

9
The national flag of USA

Blaine County, Idaho

59

10
The national flag of USA

Tarrant, Alabama

59

History

Historic air quality graph for Boulder County

25 AQI⁺ US
Good
10:00–11:00 May 16 Local time
AQI⁺ US

History

Historic air quality graph for Boulder County

25 AQI⁺ US
Good
10:00–11:00 May 16 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

818 Co Rd 116

34

2
The national flag of USA

32-16 Flamingo Dr

29

3
The national flag of USA

5555 Valmont Rd

27

4
The national flag of USA

161 Swallow Ln

26

5
The national flag of USA

5668-5698 Valmont Rd

26

6
The national flag of USA

Golden Eagle Lode

26

7
The national flag of USA

5875-5817 Valmont Rd

25

8
The national flag of USA

5699-5669 Valmont Rd

24

9
The national flag of USA

5771-5701 Valmont Rd

24

10
The national flag of USA

47th Street

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Tompkins County, New York

158

2
The national flag of USA

St. Louis, Missouri

81

3
The national flag of USA

Riverside County, California

72

4
The national flag of USA

Pahrump, Nevada

69

5
The national flag of USA

Granite City, Illinois

65

6
The national flag of USA

Urbana, Illinois

65

7
The national flag of USA

Champaign, Illinois

64

8
The national flag of USA

Memphis, Tennessee

63

9
The national flag of USA

Blaine County, Idaho

59

10
The national flag of USA

Tarrant, Alabama

59

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