Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 437 Followers • 08:00, Apr 20 Local time

17

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.2 µg/m³

weather condition icon

9°

wind direction icon

7 km/h

weather humid icon

47 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 305 degree

7

km/h

Humidity icon

47%

09:00

18

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

3

km/h

Humidity icon

42%

10:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

3

km/h

Humidity icon

35%

11:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

5

km/h

Humidity icon

32%

12:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

6

km/h

Humidity icon

31%

13:00

18

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

6

km/h

Humidity icon

27%

14:00

18

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

7

km/h

Humidity icon

25%

15:00

17

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

8

km/h

Humidity icon

22%

16:00

17

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

5

km/h

Humidity icon

21%

17:00

17

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

2

km/h

Humidity icon

20%

18:00

15

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

1

km/h

Humidity icon

21%

19:00

15

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

1

km/h

Humidity icon

25%

20:00

15

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

4

km/h

Humidity icon

28%

21:00

15

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

8

km/h

Humidity icon

27%

22:00

15

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

7

km/h

Humidity icon

25%

23:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

7

km/h

Humidity icon

28%

Tue

00:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

7

km/h

Humidity icon

30%

01:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

8

km/h

Humidity icon

30%

02:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

9

km/h

Humidity icon

30%

03:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

7

km/h

Humidity icon

30%

04:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

6

km/h

Humidity icon

32%

05:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

5

km/h

Humidity icon

32%

06:00

22

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

4

km/h

Humidity icon

32%

07:00

22

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

4

km/h

Humidity icon

34%

08:00

22

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

2

km/h

Humidity icon

37%

09:00

28

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

2

km/h

Humidity icon

32%

10:00

28

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

4

km/h

Humidity icon

31%

11:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

9

km/h

Humidity icon

30%

12:00

22

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

15

km/h

Humidity icon

26%

13:00

22

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

22

km/h

Humidity icon

24%

14:00

22

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

21

km/h

Humidity icon

20%

15:00

20

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

23

km/h

Humidity icon

17%

16:00

20

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

26

km/h

Humidity icon

20%

17:00

20

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

29

km/h

Humidity icon

20%

18:00

17

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

25

km/h

Humidity icon

22%

19:00

17

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 194 degree

22

km/h

Humidity icon

25%

20:00

17

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

13

km/h

Humidity icon

32%

21:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

10

km/h

Humidity icon

34%

22:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

9

km/h

Humidity icon

34%

23:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

9

km/h

Humidity icon

36%

Wed

00:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

5

km/h

Humidity icon

46%

01:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

4

km/h

Humidity icon

49%

02:00

19

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

2

km/h

Humidity icon

51%

03:00

21

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

0

km/h

Humidity icon

52%

04:00

21

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

3

km/h

Humidity icon

52%

05:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

5

km/h

Humidity icon

52%

06:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

3

km/h

Humidity icon

56%

07:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 213 degree

4

km/h

Humidity icon

58%

08:00

21

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

6

km/h

Humidity icon

49%

09:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

31

km/h

Humidity icon

36%

10:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

37

km/h

Humidity icon

37%

11:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

25

km/h

Humidity icon

43%

12:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

25

km/h

Humidity icon

43%

13:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

24

km/h

Humidity icon

40%

14:00

19

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

18

km/h

Humidity icon

38%

15:00

16

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

15

km/h

Humidity icon

34%

16:00

16

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

28

km/h

Humidity icon

42%

17:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

31

km/h

Humidity icon

44%

18:00

9

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

29

km/h

Humidity icon

48%

19:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 245 degree

14

km/h

Humidity icon

47%

20:00

9

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 318 degree

24

km/h

Humidity icon

89%

21:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 298 degree

22

km/h

Humidity icon

80%

22:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 297 degree

18

km/h

Humidity icon

82%

23:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 309 degree

11

km/h

Humidity icon

88%

Thu

00:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 273 degree

11

km/h

Humidity icon

92%

01:00

6

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 279 degree

13

km/h

Humidity icon

94%

02:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 281 degree

10

km/h

Humidity icon

98%

03:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 293 degree

8

km/h

Humidity icon

98%

04:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 273 degree

12

km/h

Humidity icon

98%

05:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 274 degree

11

km/h

Humidity icon

99%

06:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 330 degree

11

km/h

Humidity icon

87%

07:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 325 degree

11

km/h

Humidity icon

83%

Daily forecast

|

Boulder air quality index (AQI⁺) forecast

Today

19

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

8

km/h

Humidity icon

30%

Tue

20

Weather icon

24°

11°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

29

km/h

Humidity icon

28%

Wed

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

37

km/h

Humidity icon

51%

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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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

17

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Fairbanks North Star, Alaska

112

2
The national flag of USA

Avenal, California

107

3
The national flag of USA

Silverton, Colorado

85

4
The national flag of USA

Tempe, Arizona

83

5
The national flag of USA

Casa Grande, Arizona

75

6
The national flag of USA

Durango, Colorado

67

7
The national flag of USA

Pahrump, Nevada

66

8
The national flag of USA

Mecca, California

64

9
The national flag of USA

Florence-Graham, California

62

10
The national flag of USA

Huntington Park, California

61

History

Historic air quality graph for Boulder

17 AQI⁺ US
Good
07:00–08:00 Apr 20 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

17 AQI⁺ US
Good
07:00–08:00 Apr 20 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

17

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Fairbanks North Star, Alaska

112

2
The national flag of USA

Avenal, California

107

3
The national flag of USA

Silverton, Colorado

85

4
The national flag of USA

Tempe, Arizona

83

5
The national flag of USA

Casa Grande, Arizona

75

6
The national flag of USA

Durango, Colorado

67

7
The national flag of USA

Pahrump, Nevada

66

8
The national flag of USA

Mecca, California

64

9
The national flag of USA

Florence-Graham, California

62

10
The national flag of USA

Huntington Park, California

61

Measure your own air quality

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

Where is the cleanest air quality in Boulder?