Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 437 Followers • 23:00, May 09 Local time

32

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

5.7 µg/m³

weather condition icon

12°

wind direction icon

6 km/h

weather humid icon

43 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

32

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

6

km/h

Humidity icon

43%

Sun

00:00

32

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

6

km/h

Humidity icon

45%

01:00

32

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

6

km/h

Humidity icon

47%

02:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

6

km/h

Humidity icon

48%

03:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

5

km/h

Humidity icon

49%

04:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 293 degree

4

km/h

Humidity icon

50%

05:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 291 degree

4

km/h

Humidity icon

53%

06:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 296 degree

3

km/h

Humidity icon

55%

07:00

29

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 282 degree

1

km/h

Humidity icon

56%

08:00

28

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

3

km/h

Humidity icon

56%

09:00

25

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 164 degree

9

km/h

Humidity icon

48%

10:00

25

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

13

km/h

Humidity icon

40%

11:00

24

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 169 degree

13

km/h

Humidity icon

34%

12:00

22

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

13

km/h

Humidity icon

29%

13:00

22

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

10

km/h

Humidity icon

24%

14:00

22

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

9

km/h

Humidity icon

16%

15:00

56

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

10

km/h

Humidity icon

14%

16:00

56

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

11

km/h

Humidity icon

15%

17:00

56

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

12

km/h

Humidity icon

17%

18:00

56

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24°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

12

km/h

Humidity icon

18%

19:00

56

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

12

km/h

Humidity icon

19%

20:00

56

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

10

km/h

Humidity icon

16%

21:00

59

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

6

km/h

Humidity icon

20%

22:00

59

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

5

km/h

Humidity icon

22%

23:00

59

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

5

km/h

Humidity icon

24%

Mon

00:00

59

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

3

km/h

Humidity icon

26%

01:00

59

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

4

km/h

Humidity icon

29%

02:00

59

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

7

km/h

Humidity icon

32%

03:00

59

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

17

km/h

Humidity icon

58%

04:00

59

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

10

km/h

Humidity icon

82%

05:00

59

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

8

km/h

Humidity icon

78%

06:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

7

km/h

Humidity icon

77%

07:00

31

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

5

km/h

Humidity icon

77%

08:00

31

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

9

km/h

Humidity icon

66%

09:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

14

km/h

Humidity icon

60%

10:00

21

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

13

km/h

Humidity icon

54%

11:00

21

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

12

km/h

Humidity icon

46%

12:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

12

km/h

Humidity icon

37%

13:00

18

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

11

km/h

Humidity icon

30%

14:00

18

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

11

km/h

Humidity icon

27%

15:00

15

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

12

km/h

Humidity icon

23%

16:00

15

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

12

km/h

Humidity icon

23%

17:00

15

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 331 degree

13

km/h

Humidity icon

22%

18:00

12

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

13

km/h

Humidity icon

22%

19:00

12

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

27

km/h

Humidity icon

20%

20:00

12

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

25

km/h

Humidity icon

21%

21:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 339 degree

13

km/h

Humidity icon

25%

22:00

11

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

1

km/h

Humidity icon

33%

23:00

11

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

3

km/h

Humidity icon

34%

Tue

00:00

10

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

5

km/h

Humidity icon

34%

01:00

10

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

9

km/h

Humidity icon

34%

02:00

10

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

10

km/h

Humidity icon

36%

03:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

9

km/h

Humidity icon

38%

04:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 339 degree

6

km/h

Humidity icon

41%

05:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 360 degree

3

km/h

Humidity icon

45%

06:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 46 degree

3

km/h

Humidity icon

47%

07:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 66 degree

4

km/h

Humidity icon

47%

08:00

16

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

5

km/h

Humidity icon

38%

09:00

8

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

6

km/h

Humidity icon

36%

10:00

8

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 118 degree

7

km/h

Humidity icon

34%

11:00

8

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

7

km/h

Humidity icon

31%

12:00

7

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

6

km/h

Humidity icon

28%

13:00

7

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

9

km/h

Humidity icon

26%

14:00

7

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

13

km/h

Humidity icon

24%

15:00

12

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

15

km/h

Humidity icon

21%

16:00

12

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

17

km/h

Humidity icon

20%

17:00

12

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 120 degree

19

km/h

Humidity icon

21%

18:00

12

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

23

km/h

Humidity icon

23%

19:00

12

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

18

km/h

Humidity icon

25%

20:00

12

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

8

km/h

Humidity icon

33%

21:00

14

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 23 degree

7

km/h

Humidity icon

34%

22:00

14

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

6

km/h

Humidity icon

36%

Daily forecast

|

Boulder air quality index (AQI⁺) forecast

Today

31

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

13

km/h

Humidity icon

29%

Mon

40

Weather icon

21°

10°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

27

km/h

Humidity icon

39%

Tue

12

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

23

km/h

Humidity icon

31%

Air pollutants

What is the current air quality in Boulder?

IQAir exclamation icon

PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.

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

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Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Boulder

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 today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
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

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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

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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.

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

100-198 E 4th Ave

32

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Calipatria, California

122

2
The national flag of USA

Jersey City, New Jersey

75

3
The national flag of USA

Larchmont, New York

73

4
The national flag of USA

New Market, Tennessee

73

5
The national flag of USA

Huntington Park, California

71

6
The national flag of USA

Lancaster, Pennsylvania

71

7
The national flag of USA

New York, New York

71

8
The national flag of USA

Baton Rouge, Louisiana

69

9
The national flag of USA

Florence-Graham, California

69

10
The national flag of USA

East Los Angeles, California

66

History

Historic air quality graph for Boulder

32 AQI⁺ US
Good
22:00–23:00 May 09 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

32 AQI⁺ US
Good
22:00–23:00 May 09 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

100-198 E 4th Ave

32

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Calipatria, California

122

2
The national flag of USA

Jersey City, New Jersey

75

3
The national flag of USA

Larchmont, New York

73

4
The national flag of USA

New Market, Tennessee

73

5
The national flag of USA

Huntington Park, California

71

6
The national flag of USA

Lancaster, Pennsylvania

71

7
The national flag of USA

New York, New York

71

8
The national flag of USA

Baton Rouge, Louisiana

69

9
The national flag of USA

Florence-Graham, California

69

10
The national flag of USA

East Los Angeles, California

66

Measure your own air quality

Get a monitor and contribute air quality data in your city.

Where is the cleanest air quality in Boulder?