Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 54 Followers • 10:00, May 15 Local time

44

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

108 µg/m³

weather condition icon

12°

wind direction icon

5 km/h

weather humid icon

28 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

44

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

5

km/h

Humidity icon

28%

11:00

41

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

10

km/h

Humidity icon

23%

12:00

38

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

17

km/h

Humidity icon

20%

13:00

36

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

24

km/h

Humidity icon

16%

14:00

33

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

30

km/h

Humidity icon

15%

15:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

30

km/h

Humidity icon

16%

16:00

25

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

33

km/h

Humidity icon

17%

17:00

22

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

31

km/h

Humidity icon

17%

18:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

30

km/h

Humidity icon

16%

19:00

16

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

27

km/h

Humidity icon

15%

20:00

12

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

19

km/h

Humidity icon

16%

21:00

9

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IQAir AirVisual Air Quality Map Wind rotating 298 degree

10

km/h

Humidity icon

21%

22:00

6

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IQAir AirVisual Air Quality Map Wind rotating 342 degree

7

km/h

Humidity icon

25%

23:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 18 degree

8

km/h

Humidity icon

31%

Sat

00:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 32 degree

9

km/h

Humidity icon

32%

01:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 32 degree

10

km/h

Humidity icon

28%

02:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 33 degree

10

km/h

Humidity icon

30%

03:00

6

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IQAir AirVisual Air Quality Map Wind rotating 35 degree

11

km/h

Humidity icon

33%

04:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 37 degree

11

km/h

Humidity icon

32%

05:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 27 degree

11

km/h

Humidity icon

25%

06:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 29 degree

11

km/h

Humidity icon

16%

07:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 58 degree

4

km/h

Humidity icon

16%

08:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 200 degree

3

km/h

Humidity icon

18%

09:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 209 degree

5

km/h

Humidity icon

18%

10:00

25

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

7

km/h

Humidity icon

14%

11:00

25

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

11

km/h

Humidity icon

14%

12:00

16

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

18

km/h

Humidity icon

18%

13:00

16

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16°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

22

km/h

Humidity icon

17%

14:00

16

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17°

IQAir AirVisual Air Quality Map Wind rotating 234 degree

26

km/h

Humidity icon

17%

15:00

14

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17°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

32

km/h

Humidity icon

16%

16:00

14

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

26

km/h

Humidity icon

18%

17:00

14

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17°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

23

km/h

Humidity icon

19%

18:00

8

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

26

km/h

Humidity icon

21%

19:00

8

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13°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

25

km/h

Humidity icon

30%

20:00

8

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12°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

24

km/h

Humidity icon

34%

21:00

9

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IQAir AirVisual Air Quality Map Wind rotating 320 degree

22

km/h

Humidity icon

44%

22:00

9

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IQAir AirVisual Air Quality Map Wind rotating 324 degree

22

km/h

Humidity icon

38%

23:00

9

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IQAir AirVisual Air Quality Map Wind rotating 318 degree

19

km/h

Humidity icon

34%

Sun

00:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 316 degree

14

km/h

Humidity icon

31%

01:00

9

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IQAir AirVisual Air Quality Map Wind rotating 324 degree

15

km/h

Humidity icon

28%

02:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 340 degree

12

km/h

Humidity icon

31%

03:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 344 degree

14

km/h

Humidity icon

28%

04:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 336 degree

14

km/h

Humidity icon

29%

05:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 310 degree

10

km/h

Humidity icon

34%

06:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 289 degree

5

km/h

Humidity icon

36%

07:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 306 degree

7

km/h

Humidity icon

40%

08:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 310 degree

17

km/h

Humidity icon

38%

09:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 312 degree

22

km/h

Humidity icon

32%

10:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 309 degree

24

km/h

Humidity icon

24%

11:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 310 degree

23

km/h

Humidity icon

22%

12:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 316 degree

19

km/h

Humidity icon

20%

13:00

6

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IQAir AirVisual Air Quality Map Wind rotating 322 degree

16

km/h

Humidity icon

18%

14:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 328 degree

15

km/h

Humidity icon

18%

15:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 332 degree

15

km/h

Humidity icon

18%

16:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 327 degree

15

km/h

Humidity icon

18%

17:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 319 degree

16

km/h

Humidity icon

18%

18:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 302 degree

16

km/h

Humidity icon

18%

19:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 292 degree

11

km/h

Humidity icon

20%

20:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 40 degree

14

km/h

Humidity icon

33%

21:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 56 degree

12

km/h

Humidity icon

43%

22:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 153 degree

5

km/h

Humidity icon

44%

23:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

8

km/h

Humidity icon

58%

Mon

00:00

8

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 327 degree

8

km/h

Humidity icon

79%

01:00

8

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 46 degree

11

km/h

Humidity icon

85%

02:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 29 degree

7

km/h

Humidity icon

78%

03:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 9 degree

6

km/h

Humidity icon

62%

04:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 330 degree

10

km/h

Humidity icon

65%

05:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 344 degree

6

km/h

Humidity icon

68%

06:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 17 degree

5

km/h

Humidity icon

67%

07:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 43 degree

7

km/h

Humidity icon

55%

08:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 43 degree

3

km/h

Humidity icon

46%

09:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 222 degree

2

km/h

Humidity icon

44%

Daily forecast

|

Boulder air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Boulder?

IQAir Check icon

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Health recommendations

Protect yourself from air pollution in Boulder

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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 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

Health recommendations

Pollen

What is the pollen count in Boulder 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

Protect yourself from air pollution in Boulder

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

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder

#StationsAQI⁺ US
1
The national flag of USA

Boulder Station2

43

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Maricopa County, Arizona

78

2
The national flag of USA

Pahrump, Nevada

78

3
The national flag of USA

Coachella, California

73

4
The national flag of USA

Palm Desert, California

72

5
The national flag of USA

Pinal County, Arizona

70

6
The national flag of USA

Glendora, California

69

7
The national flag of USA

Riverside, California

69

8
The national flag of USA

Moreno Valley, California

66

9
The national flag of USA

Altadena, California

65

10
The national flag of USA

Pasadena, California

65

History

Historic air quality graph for Boulder

44 AQI⁺ US
Good
09:00–10:00 May 15 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

44 AQI⁺ US
Good
09:00–10:00 May 15 Local time
AQI⁺ US

Most polluted locations near Boulder

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder

#StationsAQI⁺ US
1
The national flag of USA

Boulder Station2

43

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Maricopa County, Arizona

78

2
The national flag of USA

Pahrump, Nevada

78

3
The national flag of USA

Coachella, California

73

4
The national flag of USA

Palm Desert, California

72

5
The national flag of USA

Pinal County, Arizona

70

6
The national flag of USA

Glendora, California

69

7
The national flag of USA

Riverside, California

69

8
The national flag of USA

Moreno Valley, California

66

9
The national flag of USA

Altadena, California

65

10
The national flag of USA

Pasadena, California

65

Measure your own air quality

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Where is the cleanest air quality in Boulder?