Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 159.8K Followers • 12:00, May 12 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

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46

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

112 µg/m³

weather condition icon

17°

wind direction icon

9 km/h

weather humid icon

35 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

46

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

9

km/h

Humidity icon

35%

13:00

44

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

9

km/h

Humidity icon

32%

14:00

42

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

10

km/h

Humidity icon

29%

15:00

40

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

13

km/h

Humidity icon

36%

16:00

38

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

12

km/h

Humidity icon

41%

17:00

36

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

15

km/h

Humidity icon

40%

18:00

34

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

12

km/h

Humidity icon

41%

19:00

32

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

11

km/h

Humidity icon

42%

20:00

30

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

8

km/h

Humidity icon

45%

21:00

29

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

1

km/h

Humidity icon

48%

22:00

28

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

2

km/h

Humidity icon

51%

23:00

27

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

3

km/h

Humidity icon

53%

Wed

00:00

27

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

7

km/h

Humidity icon

54%

01:00

27

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

8

km/h

Humidity icon

54%

02:00

27

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

6

km/h

Humidity icon

48%

03:00

28

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

5

km/h

Humidity icon

50%

04:00

26

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

6

km/h

Humidity icon

36%

05:00

25

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

9

km/h

Humidity icon

27%

06:00

24

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

10

km/h

Humidity icon

28%

07:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

11

km/h

Humidity icon

30%

08:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

8

km/h

Humidity icon

36%

09:00

17

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

2

km/h

Humidity icon

21%

10:00

15

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

5

km/h

Humidity icon

18%

11:00

14

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

10

km/h

Humidity icon

21%

12:00

13

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

10

km/h

Humidity icon

29%

13:00

12

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

9

km/h

Humidity icon

30%

14:00

12

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

11

km/h

Humidity icon

26%

15:00

12

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

12

km/h

Humidity icon

27%

16:00

13

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

12

km/h

Humidity icon

21%

17:00

15

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 186 degree

24

km/h

Humidity icon

23%

18:00

17

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

12

km/h

Humidity icon

59%

19:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

21

km/h

Humidity icon

33%

20:00

20

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

14

km/h

Humidity icon

36%

21:00

22

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

14

km/h

Humidity icon

30%

22:00

21

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

17

km/h

Humidity icon

36%

23:00

20

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

17

km/h

Humidity icon

36%

Thu

00:00

20

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

19

km/h

Humidity icon

36%

01:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

16

km/h

Humidity icon

42%

02:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

17

km/h

Humidity icon

44%

03:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

14

km/h

Humidity icon

44%

04:00

16

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

4

km/h

Humidity icon

39%

05:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

2

km/h

Humidity icon

40%

06:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

6

km/h

Humidity icon

42%

07:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

9

km/h

Humidity icon

50%

08:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

16

km/h

Humidity icon

53%

09:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

17

km/h

Humidity icon

44%

10:00

16

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

14

km/h

Humidity icon

36%

11:00

16

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

16

km/h

Humidity icon

30%

12:00

16

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

17

km/h

Humidity icon

24%

13:00

14

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

19

km/h

Humidity icon

21%

14:00

13

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

21

km/h

Humidity icon

20%

15:00

12

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

22

km/h

Humidity icon

18%

16:00

11

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

22

km/h

Humidity icon

19%

17:00

11

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

21

km/h

Humidity icon

18%

18:00

11

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

20

km/h

Humidity icon

15%

19:00

11

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

18

km/h

Humidity icon

13%

20:00

11

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

15

km/h

Humidity icon

17%

21:00

11

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

15

km/h

Humidity icon

20%

22:00

11

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

15

km/h

Humidity icon

26%

23:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 256 degree

18

km/h

Humidity icon

30%

Fri

00:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 264 degree

18

km/h

Humidity icon

31%

01:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 265 degree

17

km/h

Humidity icon

31%

02:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 262 degree

17

km/h

Humidity icon

33%

03:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 259 degree

18

km/h

Humidity icon

34%

04:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 258 degree

19

km/h

Humidity icon

34%

05:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 261 degree

19

km/h

Humidity icon

33%

06:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 263 degree

19

km/h

Humidity icon

33%

07:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 265 degree

15

km/h

Humidity icon

28%

08:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

12

km/h

Humidity icon

17%

09:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

13

km/h

Humidity icon

15%

10:00

12

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

20

km/h

Humidity icon

14%

11:00

13

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

24

km/h

Humidity icon

12%

Daily forecast

|

Boulder County air quality index (AQI⁺) forecast

Today

41

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

15

km/h

Humidity icon

42%

Wed

21

Weather icon

23°

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

24

km/h

Humidity icon

30%

Thu

18

Weather icon

20°

10°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

22

km/h

Humidity icon

27%

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

Get a monitor

Protect yourself from air pollution in Boulder County

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Medical grade air purifiers

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Powerful, stylish air purifiers

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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

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

5555 Valmont Rd

32

2
The national flag of USA

5667-5557 Valmont Rd

32

3
The national flag of USA

32-16 Flamingo Dr

31

4
The national flag of USA

5699-5669 Valmont Rd

31

5
The national flag of USA

161 Swallow Ln

29

6
The national flag of USA

5668-5698 Valmont Rd

29

7
The national flag of USA

5875-5817 Valmont Rd

29

8
The national flag of USA

Golden Eagle Lode

29

9
The national flag of USA

5771-5701 Valmont Rd

28

10
The national flag of USA

47th Street

22

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Altadena, California

100

2
The national flag of USA

Pasadena, California

98

3
The national flag of USA

Claremont, California

95

4
The national flag of USA

Glendora, California

94

5
The national flag of USA

La Crescenta-Montrose, California

93

6
The national flag of USA

La Verne, California

89

7
The national flag of USA

La Cañada Flintridge, California

86

8
The national flag of USA

Highland, California

85

9
The national flag of USA

Rancho Cucamonga, California

84

10
The national flag of USA

Glendale, California

83

History

Historic air quality graph for Boulder County

27 AQI⁺ US
Good
11:00–12:00 May 12 Local time
AQI⁺ US

History

Historic air quality graph for Boulder County

27 AQI⁺ US
Good
11:00–12:00 May 12 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

5555 Valmont Rd

32

2
The national flag of USA

5667-5557 Valmont Rd

32

3
The national flag of USA

32-16 Flamingo Dr

31

4
The national flag of USA

5699-5669 Valmont Rd

31

5
The national flag of USA

161 Swallow Ln

29

6
The national flag of USA

5668-5698 Valmont Rd

29

7
The national flag of USA

5875-5817 Valmont Rd

29

8
The national flag of USA

Golden Eagle Lode

29

9
The national flag of USA

5771-5701 Valmont Rd

28

10
The national flag of USA

47th Street

22

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Altadena, California

100

2
The national flag of USA

Pasadena, California

98

3
The national flag of USA

Claremont, California

95

4
The national flag of USA

Glendora, California

94

5
The national flag of USA

La Crescenta-Montrose, California

93

6
The national flag of USA

La Verne, California

89

7
The national flag of USA

La Cañada Flintridge, California

86

8
The national flag of USA

Highland, California

85

9
The national flag of USA

Rancho Cucamonga, California

84

10
The national flag of USA

Glendale, California

83

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