Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 437 Followers • 06:00, Apr 28 Local time

23

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

4.2 µg/m³

weather condition icon

-1°

wind direction icon

6 km/h

weather humid icon

87 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

23

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

6

km/h

Humidity icon

87%

07:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 274 degree

6

km/h

Humidity icon

88%

08:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 272 degree

7

km/h

Humidity icon

78%

09:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 264 degree

9

km/h

Humidity icon

70%

10:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 251 degree

10

km/h

Humidity icon

63%

11:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 251 degree

11

km/h

Humidity icon

55%

12:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 265 degree

15

km/h

Humidity icon

61%

13:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

11

km/h

Humidity icon

55%

14:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 310 degree

15

km/h

Humidity icon

64%

15:00

12

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 246 degree

12

km/h

Humidity icon

81%

16:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

27

km/h

Humidity icon

71%

17:00

9

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 289 degree

12

km/h

Humidity icon

73%

18:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 286 degree

14

km/h

Humidity icon

55%

19:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 298 degree

10

km/h

Humidity icon

61%

20:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 303 degree

11

km/h

Humidity icon

74%

21:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

8

km/h

Humidity icon

80%

22:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 292 degree

8

km/h

Humidity icon

89%

23:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 292 degree

7

km/h

Humidity icon

91%

Wed

00:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 294 degree

8

km/h

Humidity icon

92%

01:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 294 degree

8

km/h

Humidity icon

93%

02:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 289 degree

8

km/h

Humidity icon

92%

03:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

8

km/h

Humidity icon

90%

04:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

8

km/h

Humidity icon

90%

05:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

8

km/h

Humidity icon

89%

06:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 284 degree

8

km/h

Humidity icon

89%

07:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 289 degree

8

km/h

Humidity icon

86%

08:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 285 degree

6

km/h

Humidity icon

78%

09:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

6

km/h

Humidity icon

71%

10:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 309 degree

5

km/h

Humidity icon

64%

11:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 341 degree

6

km/h

Humidity icon

57%

12:00

15

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 3 degree

9

km/h

Humidity icon

53%

13:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 17 degree

13

km/h

Humidity icon

53%

14:00

11

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

19

km/h

Humidity icon

61%

15:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 12 degree

24

km/h

Humidity icon

70%

16:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 18 degree

23

km/h

Humidity icon

66%

17:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 19 degree

24

km/h

Humidity icon

65%

18:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 16 degree

23

km/h

Humidity icon

67%

19:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 12 degree

21

km/h

Humidity icon

68%

20:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 12 degree

17

km/h

Humidity icon

79%

21:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 8 degree

14

km/h

Humidity icon

84%

22:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 9 degree

15

km/h

Humidity icon

87%

23:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 15 degree

16

km/h

Humidity icon

90%

Thu

00:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 18 degree

15

km/h

Humidity icon

86%

01:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 10 degree

12

km/h

Humidity icon

87%

02:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 9 degree

11

km/h

Humidity icon

89%

03:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 1 degree

11

km/h

Humidity icon

98%

04:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 355 degree

8

km/h

Humidity icon

97%

05:00

24

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

7

km/h

Humidity icon

98%

06:00

25

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

6

km/h

Humidity icon

99%

07:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 353 degree

5

km/h

Humidity icon

69%

08:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 141 degree

0

km/h

Humidity icon

61%

09:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 147 degree

4

km/h

Humidity icon

58%

10:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

5

km/h

Humidity icon

53%

11:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

7

km/h

Humidity icon

45%

12:00

13

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

7

km/h

Humidity icon

39%

13:00

12

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 161 degree

9

km/h

Humidity icon

35%

14:00

11

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

10

km/h

Humidity icon

30%

15:00

11

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

13

km/h

Humidity icon

29%

16:00

10

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

20

km/h

Humidity icon

31%

17:00

9

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

19

km/h

Humidity icon

33%

18:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

15

km/h

Humidity icon

33%

19:00

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

11

km/h

Humidity icon

33%

20:00

10

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

9

km/h

Humidity icon

40%

21:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 169 degree

6

km/h

Humidity icon

44%

22:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 234 degree

3

km/h

Humidity icon

48%

23:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 283 degree

7

km/h

Humidity icon

45%

Fri

00:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 297 degree

9

km/h

Humidity icon

47%

01:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 295 degree

10

km/h

Humidity icon

51%

02:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 293 degree

9

km/h

Humidity icon

53%

03:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 294 degree

8

km/h

Humidity icon

55%

04:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 293 degree

7

km/h

Humidity icon

55%

05:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 292 degree

6

km/h

Humidity icon

56%

Daily forecast

|

Boulder air quality index (AQI⁺) forecast

Today

18

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

27

km/h

Humidity icon

71%

Wed

17

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

24

km/h

Humidity icon

70%

Thu

18

Weather icon

15°

-1°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

20

km/h

Humidity icon

46%

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

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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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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

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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

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

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

344

2
The national flag of USA

Mission, Texas

127

3
The national flag of USA

Burnet, Texas

110

4
The national flag of USA

West Lake Hills, Texas

105

5
The national flag of USA

Sherman, Texas

97

6
The national flag of USA

Briarcliff, Texas

96

7
The national flag of USA

Round Rock, Texas

96

8
The national flag of USA

Fort Worth, Texas

95

9
The national flag of USA

Deschutes River Woods, Oregon

94

10
The national flag of USA

San Antonio, Texas

93

History

Historic air quality graph for Boulder

23 AQI⁺ US
Good
05:00–06:00 Apr 28 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

23 AQI⁺ US
Good
05:00–06:00 Apr 28 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

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

344

2
The national flag of USA

Mission, Texas

127

3
The national flag of USA

Burnet, Texas

110

4
The national flag of USA

West Lake Hills, Texas

105

5
The national flag of USA

Sherman, Texas

97

6
The national flag of USA

Briarcliff, Texas

96

7
The national flag of USA

Round Rock, Texas

96

8
The national flag of USA

Fort Worth, Texas

95

9
The national flag of USA

Deschutes River Woods, Oregon

94

10
The national flag of USA

San Antonio, Texas

93

Measure your own air quality

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

Where is the cleanest air quality in Boulder?