Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 437 Followers • 12:00, Apr 23 Local time

9

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

1.6 µg/m³

weather condition icon

-2°

wind direction icon

18 km/h

weather humid icon

89 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

9

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

18

km/h

Humidity icon

89%

13:00

9

Weather icon

50%

IQAir AirVisual Air Quality Map Wind rotating 31 degree

15

km/h

Humidity icon

75%

14:00

9

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 12 degree

26

km/h

Humidity icon

72%

15:00

9

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 18 degree

20

km/h

Humidity icon

55%

16:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 23 degree

19

km/h

Humidity icon

48%

17:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 31 degree

17

km/h

Humidity icon

47%

18:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 39 degree

15

km/h

Humidity icon

53%

19:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 21 degree

6

km/h

Humidity icon

77%

20:00

9

Weather icon

90%

-1°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

8

km/h

Humidity icon

64%

21:00

9

Weather icon

90%

-2°

IQAir AirVisual Air Quality Map Wind rotating 26 degree

7

km/h

Humidity icon

87%

22:00

9

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

8

km/h

Humidity icon

78%

23:00

9

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 19 degree

7

km/h

Humidity icon

78%

Fri

00:00

9

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

11

km/h

Humidity icon

88%

01:00

9

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

10

km/h

Humidity icon

87%

02:00

10

Weather icon

90%

-3°

IQAir AirVisual Air Quality Map Wind rotating 357 degree

21

km/h

Humidity icon

89%

03:00

11

Weather icon

90%

-4°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

23

km/h

Humidity icon

83%

04:00

10

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

26

km/h

Humidity icon

76%

05:00

9

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

30

km/h

Humidity icon

72%

06:00

9

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

25

km/h

Humidity icon

71%

07:00

8

Weather icon

-6°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

22

km/h

Humidity icon

74%

08:00

8

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

20

km/h

Humidity icon

63%

09:00

8

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

18

km/h

Humidity icon

51%

10:00

7

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

15

km/h

Humidity icon

42%

11:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

16

km/h

Humidity icon

42%

12:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 291 degree

18

km/h

Humidity icon

42%

13:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

19

km/h

Humidity icon

38%

14:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 290 degree

21

km/h

Humidity icon

37%

15:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

21

km/h

Humidity icon

38%

16:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 289 degree

23

km/h

Humidity icon

39%

17:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 296 degree

22

km/h

Humidity icon

35%

18:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 301 degree

20

km/h

Humidity icon

35%

19:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 311 degree

16

km/h

Humidity icon

36%

20:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 317 degree

9

km/h

Humidity icon

45%

21:00

7

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

7

km/h

Humidity icon

50%

22:00

8

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

8

km/h

Humidity icon

60%

23:00

9

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

8

km/h

Humidity icon

65%

Sat

00:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

8

km/h

Humidity icon

67%

01:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

6

km/h

Humidity icon

73%

02:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

6

km/h

Humidity icon

77%

03:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

7

km/h

Humidity icon

80%

04:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

7

km/h

Humidity icon

84%

05:00

11

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

10

km/h

Humidity icon

89%

06:00

12

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 18 degree

13

km/h

Humidity icon

88%

07:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

14

km/h

Humidity icon

84%

08:00

8

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

13

km/h

Humidity icon

80%

09:00

7

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

10

km/h

Humidity icon

70%

10:00

7

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 55 degree

6

km/h

Humidity icon

64%

11:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 89 degree

5

km/h

Humidity icon

58%

12:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 129 degree

6

km/h

Humidity icon

54%

13:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 144 degree

7

km/h

Humidity icon

53%

14:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 132 degree

4

km/h

Humidity icon

65%

15:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 55 degree

3

km/h

Humidity icon

69%

16:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 40 degree

6

km/h

Humidity icon

74%

17:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 25 degree

7

km/h

Humidity icon

75%

18:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 28 degree

8

km/h

Humidity icon

63%

19:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 36 degree

12

km/h

Humidity icon

38%

20:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 14 degree

15

km/h

Humidity icon

53%

21:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 353 degree

12

km/h

Humidity icon

66%

22:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 355 degree

9

km/h

Humidity icon

69%

23:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 6 degree

8

km/h

Humidity icon

70%

Sun

00:00

14

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

9

km/h

Humidity icon

72%

01:00

13

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

7

km/h

Humidity icon

76%

02:00

12

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

5

km/h

Humidity icon

77%

03:00

12

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

4

km/h

Humidity icon

77%

04:00

10

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 26 degree

3

km/h

Humidity icon

79%

05:00

9

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

2

km/h

Humidity icon

84%

06:00

8

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

3

km/h

Humidity icon

90%

07:00

7

Weather icon

90%

-5°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

3

km/h

Humidity icon

91%

08:00

7

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

2

km/h

Humidity icon

90%

09:00

7

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

3

km/h

Humidity icon

87%

10:00

6

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

5

km/h

Humidity icon

84%

11:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 104 degree

7

km/h

Humidity icon

74%

Daily forecast

|

Boulder air quality index (AQI⁺) forecast

Today

9

Weather icon

90%

-3°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

28

km/h

Humidity icon

68%

Fri

9

Weather icon

-6°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

25

km/h

Humidity icon

47%

Sat

9

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

15

km/h

Humidity icon

66%

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

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor

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

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

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

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

100-198 E 4th Ave

9

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

313

2
The national flag of USA

Port Arthur, Texas

77

3
The national flag of USA

Birmingham, Alabama

68

4
The national flag of USA

North Charleston, South Carolina

67

5
The national flag of USA

Tarrant, Alabama

67

6
The national flag of USA

East Point, Georgia

66

7
The national flag of USA

Jackson, Mississippi

66

8
The national flag of USA

Manitowoc, Wisconsin

66

9
The national flag of USA

Kennesaw, Georgia

65

10
The national flag of USA

Sewanee, Tennessee

65

History

Historic air quality graph for Boulder

9 AQI⁺ US
Good
11:00–12:00 Apr 23 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

9 AQI⁺ US
Good
11:00–12:00 Apr 23 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

9

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

313

2
The national flag of USA

Port Arthur, Texas

77

3
The national flag of USA

Birmingham, Alabama

68

4
The national flag of USA

North Charleston, South Carolina

67

5
The national flag of USA

Tarrant, Alabama

67

6
The national flag of USA

East Point, Georgia

66

7
The national flag of USA

Jackson, Mississippi

66

8
The national flag of USA

Manitowoc, Wisconsin

66

9
The national flag of USA

Kennesaw, Georgia

65

10
The national flag of USA

Sewanee, Tennessee

65

Measure your own air quality

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

Where is the cleanest air quality in Boulder?