WorldArrow icon
Arrow iconBoulder

Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 145 Followers • 18:00, Oct 03 Local time

Colorado Department of Public Health & Environment (CDPHE)Russ StewartAnonymous contributor

48

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

104 µg/m³

weather condition icon

22°

wind direction icon

18 km/h

weather humid icon

31 %

Colorado Department of Public Health & Environment (CDPHE)Russ StewartAnonymous contributor

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

48

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

18

km/h

Humidity icon

31%

19:00

48

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

8

km/h

Humidity icon

36%

20:00

47

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

7

km/h

Humidity icon

38%

21:00

44

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

5

km/h

Humidity icon

41%

22:00

41

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

5

km/h

Humidity icon

44%

23:00

37

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 130 degree

7

km/h

Humidity icon

48%

Sun

00:00

32

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 130 degree

5

km/h

Humidity icon

53%

01:00

29

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

7

km/h

Humidity icon

54%

02:00

25

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

6

km/h

Humidity icon

56%

03:00

22

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

2

km/h

Humidity icon

65%

04:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

5

km/h

Humidity icon

70%

05:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

6

km/h

Humidity icon

65%

06:00

12

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

4

km/h

Humidity icon

65%

07:00

15

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 354 degree

5

km/h

Humidity icon

59%

08:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

6

km/h

Humidity icon

55%

09:00

21

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

7

km/h

Humidity icon

58%

10:00

16

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

6

km/h

Humidity icon

59%

11:00

12

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

6

km/h

Humidity icon

51%

12:00

8

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

5

km/h

Humidity icon

43%

13:00

11

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 83 degree

5

km/h

Humidity icon

36%

14:00

14

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 88 degree

5

km/h

Humidity icon

31%

15:00

18

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 93 degree

6

km/h

Humidity icon

28%

16:00

20

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

6

km/h

Humidity icon

25%

17:00

23

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

5

km/h

Humidity icon

23%

18:00

26

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

3

km/h

Humidity icon

25%

19:00

24

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

1

km/h

Humidity icon

28%

20:00

22

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

3

km/h

Humidity icon

30%

21:00

21

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

3

km/h

Humidity icon

33%

22:00

18

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

3

km/h

Humidity icon

31%

23:00

16

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

5

km/h

Humidity icon

33%

Mon

00:00

14

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

5

km/h

Humidity icon

33%

01:00

17

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

2

km/h

Humidity icon

35%

02:00

21

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

2

km/h

Humidity icon

36%

03:00

25

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

2

km/h

Humidity icon

37%

04:00

35

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

3

km/h

Humidity icon

36%

05:00

45

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

5

km/h

Humidity icon

35%

06:00

55

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

7

km/h

Humidity icon

34%

07:00

49

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

10

km/h

Humidity icon

35%

08:00

43

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

14

km/h

Humidity icon

36%

09:00

37

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

13

km/h

Humidity icon

32%

10:00

29

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

13

km/h

Humidity icon

28%

11:00

21

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

10

km/h

Humidity icon

22%

12:00

13

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

7

km/h

Humidity icon

20%

13:00

14

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

6

km/h

Humidity icon

20%

14:00

16

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

5

km/h

Humidity icon

22%

15:00

18

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

5

km/h

Humidity icon

22%

16:00

16

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 142 degree

3

km/h

Humidity icon

19%

17:00

14

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

3

km/h

Humidity icon

22%

18:00

13

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

4

km/h

Humidity icon

22%

19:00

14

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

16

km/h

Humidity icon

38%

20:00

15

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

12

km/h

Humidity icon

39%

21:00

16

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

14

km/h

Humidity icon

36%

22:00

16

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

16

km/h

Humidity icon

36%

23:00

17

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

17

km/h

Humidity icon

37%

Tue

00:00

18

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

16

km/h

Humidity icon

37%

01:00

19

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

16

km/h

Humidity icon

36%

02:00

20

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

17

km/h

Humidity icon

35%

03:00

21

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

17

km/h

Humidity icon

34%

04:00

23

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

16

km/h

Humidity icon

34%

05:00

25

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

16

km/h

Humidity icon

33%

06:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

16

km/h

Humidity icon

31%

07:00

29

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

15

km/h

Humidity icon

29%

08:00

30

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

13

km/h

Humidity icon

28%

09:00

32

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

9

km/h

Humidity icon

23%

10:00

31

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

3

km/h

Humidity icon

17%

11:00

30

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

5

km/h

Humidity icon

14%

12:00

30

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

11

km/h

Humidity icon

14%

13:00

30

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

17

km/h

Humidity icon

13%

14:00

31

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

20

km/h

Humidity icon

13%

15:00

32

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

11

km/h

Humidity icon

14%

16:00

28

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

13

km/h

Humidity icon

15%

17:00

24

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

14

km/h

Humidity icon

21%

Daily forecast

|

Boulder air quality index (AQI⁺) forecast

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.

air quality map

Real-time Boulder air pollution map

Health recommendations

Protect yourself from air pollution in Boulder

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in Boulder

Health recommendations

air quality map

Real-time Boulder air pollution map

Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in Boulder

Protect yourself from air pollution in Boulder

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

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

39

2
The national flag of USA

1491 High St

30

3
The national flag of USA

700 Utica Ave

29

4
The national flag of USA

2055-1901 Kalmia Ave

28

5
The national flag of USA

1066 Berea Dr

26

6
The national flag of USA

285 Vail Cir

24

7
The national flag of USA

717 Evergreen Boulder

23

8
The national flag of USA

Bean Mountain Lane

23

9
The national flag of USA

4792-4766 Kellogg Cir

19

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

Hayward, California

113

2
The national flag of USA

Clovis, California

111

3
The national flag of USA

Oakland, California

111

4
The national flag of USA

Modesto, California

109

5
The national flag of USA

Sacramento County, California

109

6
The national flag of USA

Pasadena, California

108

7
The national flag of USA

Kern, California

107

8
The national flag of USA

Thousand Oaks, California

106

9
The national flag of USA

Bakersfield, California

105

10
The national flag of USA

Merced, California

105

History

Historic air quality graph for Boulder

48 AQI⁺ US
Good
18:00–19:00 Oct 03 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

48 AQI⁺ US
Good
18:00–19:00 Oct 03 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

39

2
The national flag of USA

1491 High St

30

3
The national flag of USA

700 Utica Ave

29

4
The national flag of USA

2055-1901 Kalmia Ave

28

5
The national flag of USA

1066 Berea Dr

26

6
The national flag of USA

285 Vail Cir

24

7
The national flag of USA

717 Evergreen Boulder

23

8
The national flag of USA

Bean Mountain Lane

23

9
The national flag of USA

4792-4766 Kellogg Cir

19

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

Hayward, California

113

2
The national flag of USA

Clovis, California

111

3
The national flag of USA

Oakland, California

111

4
The national flag of USA

Modesto, California

109

5
The national flag of USA

Sacramento County, California

109

6
The national flag of USA

Pasadena, California

108

7
The national flag of USA

Kern, California

107

8
The national flag of USA

Thousand Oaks, California

106

9
The national flag of USA

Bakersfield, California

105

10
The national flag of USA

Merced, California

105

Measure your own air quality

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

Get a monitorHow to contribute
Forest fire.
external link icon

Wildfire Map Spotlight: Dome Fire, Yosemite National Park, California

Forest fire.
external link icon

Wildfire Map Spotlight: Sand Creek and Bobcat Lakes Fires, Montana

Dry land under a scorching sun.
external link icon

Heatwave Map Spotlight: Southwest USA

Begin your journey for cleaner air #IQAir

Visit us
Visit us
Visit us
Visit us

Where is the cleanest air quality in Boulder?