WorldArrow icon
Arrow iconBoulder

Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 160 Followers • 09:00, Nov 08 Local time

20

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.7 µg/m³

weather condition icon

13°

wind direction icon

7 km/h

weather humid icon

24 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

20

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

7

km/h

Humidity icon

24%

10:00

20

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

8

km/h

Humidity icon

23%

11:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

9

km/h

Humidity icon

22%

12:00

19

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

10

km/h

Humidity icon

21%

13:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 107 degree

10

km/h

Humidity icon

19%

14:00

15

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

10

km/h

Humidity icon

18%

15:00

15

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

9

km/h

Humidity icon

17%

16:00

14

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 118 degree

7

km/h

Humidity icon

21%

17:00

15

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

5

km/h

Humidity icon

42%

18:00

14

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

12

km/h

Humidity icon

27%

19:00

13

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

14

km/h

Humidity icon

29%

20:00

13

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

14

km/h

Humidity icon

29%

21:00

12

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

14

km/h

Humidity icon

30%

22:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

15

km/h

Humidity icon

31%

23:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

16

km/h

Humidity icon

32%

Mon

00:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

16

km/h

Humidity icon

32%

01:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

16

km/h

Humidity icon

31%

02:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

15

km/h

Humidity icon

32%

03:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

14

km/h

Humidity icon

32%

04:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

14

km/h

Humidity icon

31%

05:00

14

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

14

km/h

Humidity icon

30%

06:00

14

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

15

km/h

Humidity icon

29%

07:00

14

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

14

km/h

Humidity icon

28%

08:00

23

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

8

km/h

Humidity icon

23%

09:00

23

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

5

km/h

Humidity icon

18%

10:00

23

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

8

km/h

Humidity icon

17%

11:00

19

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 89 degree

9

km/h

Humidity icon

16%

12:00

19

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

9

km/h

Humidity icon

16%

13:00

19

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

8

km/h

Humidity icon

15%

14:00

16

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

7

km/h

Humidity icon

14%

15:00

16

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

4

km/h

Humidity icon

13%

16:00

16

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

3

km/h

Humidity icon

22%

17:00

9

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

9

km/h

Humidity icon

20%

18:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

13

km/h

Humidity icon

22%

19:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

14

km/h

Humidity icon

23%

20:00

25

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

13

km/h

Humidity icon

23%

21:00

25

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

12

km/h

Humidity icon

24%

22:00

25

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

12

km/h

Humidity icon

25%

23:00

22

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

12

km/h

Humidity icon

25%

Tue

00:00

22

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

12

km/h

Humidity icon

25%

01:00

22

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

11

km/h

Humidity icon

26%

02:00

18

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

10

km/h

Humidity icon

29%

03:00

18

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

10

km/h

Humidity icon

31%

04:00

18

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

11

km/h

Humidity icon

34%

05:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

12

km/h

Humidity icon

33%

06:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

13

km/h

Humidity icon

33%

07:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

13

km/h

Humidity icon

31%

08:00

25

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

11

km/h

Humidity icon

26%

09:00

25

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

6

km/h

Humidity icon

18%

10:00

25

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

5

km/h

Humidity icon

14%

11:00

14

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

14

km/h

Humidity icon

12%

12:00

14

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

27

km/h

Humidity icon

13%

13:00

14

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

33

km/h

Humidity icon

15%

14:00

14

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

34

km/h

Humidity icon

16%

15:00

14

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

26

km/h

Humidity icon

18%

16:00

14

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

18

km/h

Humidity icon

21%

17:00

8

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

17

km/h

Humidity icon

25%

18:00

8

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

21

km/h

Humidity icon

26%

19:00

8

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

19

km/h

Humidity icon

31%

20:00

22

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

11

km/h

Humidity icon

38%

21:00

22

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

6

km/h

Humidity icon

46%

22:00

22

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

6

km/h

Humidity icon

46%

23:00

16

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

11

km/h

Humidity icon

42%

Wed

00:00

16

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

12

km/h

Humidity icon

46%

01:00

16

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

10

km/h

Humidity icon

50%

02:00

16

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

11

km/h

Humidity icon

51%

03:00

16

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

11

km/h

Humidity icon

50%

04:00

16

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

13

km/h

Humidity icon

49%

05:00

7

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

11

km/h

Humidity icon

54%

06:00

7

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

13

km/h

Humidity icon

55%

07:00

7

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

12

km/h

Humidity icon

55%

08:00

12

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

10

km/h

Humidity icon

42%

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

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

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

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

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

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

10th Street

43

2
The national flag of USA

700 Utica Ave

32

3
The national flag of USA

2055-1901 Kalmia Ave

21

4
The national flag of USA

1066 Berea Dr

16

5
The national flag of USA

285 Vail Cir

16

6
The national flag of USA

717 Evergreen Boulder

16

7
The national flag of USA

Boulder - CU - 2102 Athens St.

16

8
The national flag of USA

Bean Mountain Lane

14

9
The national flag of USA

Boulder Reservoir

12

10
The national flag of USA

650 S 40th St

0

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Imperial Beach, California

155

2
The national flag of USA

Franklin, Merced County, California

112

3
The national flag of USA

Fruitridge Pocket, California

101

4
The national flag of USA

San Gabriel, California

99

5
The national flag of USA

Pixley, California

97

6
The national flag of USA

Keyes, California

93

7
The national flag of USA

Arden-Arcade, California

90

8
The national flag of USA

Sacramento, California

85

9
The national flag of USA

Kettleman City, California

84

10
The national flag of USA

Matheny, California

81

History

Historic air quality graph for Boulder

20 AQI⁺ US
Good
09:00–10:00 Nov 08 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

20 AQI⁺ US
Good
09:00–10:00 Nov 08 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

10th Street

43

2
The national flag of USA

700 Utica Ave

32

3
The national flag of USA

2055-1901 Kalmia Ave

21

4
The national flag of USA

1066 Berea Dr

16

5
The national flag of USA

285 Vail Cir

16

6
The national flag of USA

717 Evergreen Boulder

16

7
The national flag of USA

Boulder - CU - 2102 Athens St.

16

8
The national flag of USA

Bean Mountain Lane

14

9
The national flag of USA

Boulder Reservoir

12

10
The national flag of USA

650 S 40th St

0

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Imperial Beach, California

155

2
The national flag of USA

Franklin, Merced County, California

112

3
The national flag of USA

Fruitridge Pocket, California

101

4
The national flag of USA

San Gabriel, California

99

5
The national flag of USA

Pixley, California

97

6
The national flag of USA

Keyes, California

93

7
The national flag of USA

Arden-Arcade, California

90

8
The national flag of USA

Sacramento, California

85

9
The national flag of USA

Kettleman City, California

84

10
The national flag of USA

Matheny, California

81

Measure your own air quality

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