Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 160.1K Followers • 09:00, May 17 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

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31

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

76 µg/m³

weather condition icon

9°

wind direction icon

8 km/h

weather humid icon

56 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 150 degree

8

km/h

Humidity icon

56%

10:00

30

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 104 degree

13

km/h

Humidity icon

70%

11:00

32

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 103 degree

11

km/h

Humidity icon

97%

12:00

35

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 139 degree

7

km/h

Humidity icon

97%

13:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 148 degree

15

km/h

Humidity icon

94%

14:00

39

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 110 degree

9

km/h

Humidity icon

85%

15:00

42

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 84 degree

8

km/h

Humidity icon

85%

16:00

44

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 131 degree

14

km/h

Humidity icon

89%

17:00

46

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 156 degree

10

km/h

Humidity icon

87%

18:00

49

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 109 degree

15

km/h

Humidity icon

96%

19:00

51

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 103 degree

12

km/h

Humidity icon

97%

20:00

53

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 118 degree

9

km/h

Humidity icon

97%

21:00

55

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 22 degree

12

km/h

Humidity icon

97%

22:00

44

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 94 degree

11

km/h

Humidity icon

98%

23:00

34

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 117 degree

10

km/h

Humidity icon

98%

Mon

00:00

24

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 98 degree

15

km/h

Humidity icon

98%

01:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 89 degree

10

km/h

Humidity icon

99%

02:00

17

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 271 degree

9

km/h

Humidity icon

93%

03:00

14

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 258 degree

2

km/h

Humidity icon

93%

04:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 86 degree

4

km/h

Humidity icon

99%

05:00

12

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 61 degree

5

km/h

Humidity icon

99%

06:00

12

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 62 degree

7

km/h

Humidity icon

99%

07:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 44 degree

7

km/h

Humidity icon

99%

08:00

30

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 20 degree

8

km/h

Humidity icon

99%

09:00

39

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

13

km/h

Humidity icon

99%

10:00

40

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

11

km/h

Humidity icon

98%

11:00

42

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

13

km/h

Humidity icon

96%

12:00

44

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

14

km/h

Humidity icon

95%

13:00

46

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

16

km/h

Humidity icon

97%

14:00

48

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

14

km/h

Humidity icon

95%

15:00

51

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

13

km/h

Humidity icon

94%

16:00

49

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

12

km/h

Humidity icon

97%

17:00

48

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

12

km/h

Humidity icon

98%

18:00

47

Weather icon

90%

-2°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

9

km/h

Humidity icon

94%

19:00

45

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

7

km/h

Humidity icon

99%

20:00

43

Weather icon

90%

-2°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

8

km/h

Humidity icon

97%

21:00

41

Weather icon

90%

-3°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

9

km/h

Humidity icon

99%

22:00

38

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 58 degree

10

km/h

Humidity icon

99%

23:00

36

Weather icon

90%

-4°

IQAir AirVisual Air Quality Map Wind rotating 38 degree

6

km/h

Humidity icon

99%

Tue

00:00

34

Weather icon

90%

-4°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

5

km/h

Humidity icon

99%

01:00

28

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

4

km/h

Humidity icon

99%

02:00

22

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

5

km/h

Humidity icon

99%

03:00

17

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

6

km/h

Humidity icon

99%

04:00

16

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

7

km/h

Humidity icon

99%

05:00

15

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

6

km/h

Humidity icon

99%

06:00

14

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

4

km/h

Humidity icon

100%

07:00

14

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

2

km/h

Humidity icon

87%

08:00

15

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

5

km/h

Humidity icon

88%

09:00

16

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

7

km/h

Humidity icon

92%

10:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 108 degree

8

km/h

Humidity icon

90%

11:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 97 degree

8

km/h

Humidity icon

89%

12:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 109 degree

9

km/h

Humidity icon

91%

13:00

18

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 108 degree

8

km/h

Humidity icon

92%

14:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 107 degree

7

km/h

Humidity icon

92%

15:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 122 degree

8

km/h

Humidity icon

93%

16:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 133 degree

3

km/h

Humidity icon

94%

17:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 119 degree

4

km/h

Humidity icon

95%

18:00

7

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 106 degree

3

km/h

Humidity icon

96%

19:00

6

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 335 degree

2

km/h

Humidity icon

98%

20:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 283 degree

4

km/h

Humidity icon

98%

21:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 255 degree

3

km/h

Humidity icon

98%

22:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 243 degree

2

km/h

Humidity icon

97%

23:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 247 degree

3

km/h

Humidity icon

98%

Wed

00:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 244 degree

2

km/h

Humidity icon

98%

01:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 215 degree

7

km/h

Humidity icon

97%

02:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 233 degree

6

km/h

Humidity icon

95%

03:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 218 degree

5

km/h

Humidity icon

97%

04:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 261 degree

7

km/h

Humidity icon

96%

05:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 275 degree

8

km/h

Humidity icon

94%

06:00

8

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

9

km/h

Humidity icon

92%

07:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 304 degree

3

km/h

Humidity icon

89%

08:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 68 degree

3

km/h

Humidity icon

89%

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

32-16 Flamingo Dr

21

2
The national flag of USA

5555 Valmont Rd

21

3
The national flag of USA

5668-5698 Valmont Rd

20

4
The national flag of USA

161 Swallow Ln

19

5
The national flag of USA

5699-5669 Valmont Rd

19

6
The national flag of USA

5771-5701 Valmont Rd

19

7
The national flag of USA

5875-5817 Valmont Rd

19

8
The national flag of USA

Golden Eagle Lode

17

9
The national flag of USA

47th Street

15

10
The national flag of USA

818 Co Rd 116

11

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Tompkins County, New York

160

2
The national flag of USA

Briarcliff, Texas

129

3
The national flag of USA

Mission, Texas

127

4
The national flag of USA

San Marcos, California

122

5
The national flag of USA

Rollingwood, Texas

118

6
The national flag of USA

Aliso Viejo, California

116

7
The national flag of USA

Encinitas, California

113

8
The national flag of USA

Oceanside, California

108

9
The national flag of USA

Valley Center, California

108

10
The national flag of USA

Riverside County, California

105

History

Historic air quality graph for Boulder County

17 AQI⁺ US
Good
08:00–09:00 May 17 Local time
AQI⁺ US

History

Historic air quality graph for Boulder County

17 AQI⁺ US
Good
08:00–09:00 May 17 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

32-16 Flamingo Dr

21

2
The national flag of USA

5555 Valmont Rd

21

3
The national flag of USA

5668-5698 Valmont Rd

20

4
The national flag of USA

161 Swallow Ln

19

5
The national flag of USA

5699-5669 Valmont Rd

19

6
The national flag of USA

5771-5701 Valmont Rd

19

7
The national flag of USA

5875-5817 Valmont Rd

19

8
The national flag of USA

Golden Eagle Lode

17

9
The national flag of USA

47th Street

15

10
The national flag of USA

818 Co Rd 116

11

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Tompkins County, New York

160

2
The national flag of USA

Briarcliff, Texas

129

3
The national flag of USA

Mission, Texas

127

4
The national flag of USA

San Marcos, California

122

5
The national flag of USA

Rollingwood, Texas

118

6
The national flag of USA

Aliso Viejo, California

116

7
The national flag of USA

Encinitas, California

113

8
The national flag of USA

Oceanside, California

108

9
The national flag of USA

Valley Center, California

108

10
The national flag of USA

Riverside County, California

105

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