Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 4 Followers • 12:00, Jun 04 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

View alert

34

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

84 µg/m³

weather condition icon

29°

wind direction icon

6 km/h

weather humid icon

25 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

34

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

6

km/h

Humidity icon

25%

13:00

33

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

3

km/h

Humidity icon

14%

14:00

32

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

4

km/h

Humidity icon

10%

15:00

32

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

5

km/h

Humidity icon

10%

16:00

30

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

34

km/h

Humidity icon

57%

17:00

29

Weather icon

90%

26°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

12

km/h

Humidity icon

33%

18:00

28

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

0

km/h

Humidity icon

24%

19:00

29

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

3

km/h

Humidity icon

26%

20:00

30

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

6

km/h

Humidity icon

22%

21:00

32

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

9

km/h

Humidity icon

27%

22:00

30

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25°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

10

km/h

Humidity icon

29%

23:00

28

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

13

km/h

Humidity icon

33%

Fri

00:00

25

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

14

km/h

Humidity icon

34%

01:00

24

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

13

km/h

Humidity icon

37%

02:00

24

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

13

km/h

Humidity icon

35%

03:00

24

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

12

km/h

Humidity icon

32%

04:00

22

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

13

km/h

Humidity icon

33%

05:00

20

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

15

km/h

Humidity icon

34%

06:00

18

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

16

km/h

Humidity icon

33%

07:00

19

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

10

km/h

Humidity icon

30%

08:00

20

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 88 degree

9

km/h

Humidity icon

28%

09:00

21

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

9

km/h

Humidity icon

42%

10:00

20

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

7

km/h

Humidity icon

35%

11:00

19

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25°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

7

km/h

Humidity icon

32%

12:00

19

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

7

km/h

Humidity icon

30%

13:00

18

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

8

km/h

Humidity icon

28%

14:00

17

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 95 degree

7

km/h

Humidity icon

26%

15:00

17

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30°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

7

km/h

Humidity icon

25%

16:00

16

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 72 degree

8

km/h

Humidity icon

24%

17:00

15

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30°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

7

km/h

Humidity icon

23%

18:00

14

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

6

km/h

Humidity icon

23%

19:00

15

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 88 degree

5

km/h

Humidity icon

24%

20:00

16

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

4

km/h

Humidity icon

27%

21:00

18

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26°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

8

km/h

Humidity icon

36%

22:00

18

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24°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

8

km/h

Humidity icon

40%

23:00

18

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24°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

3

km/h

Humidity icon

45%

Sat

00:00

18

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

3

km/h

Humidity icon

47%

01:00

18

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23°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

3

km/h

Humidity icon

38%

02:00

18

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21°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

3

km/h

Humidity icon

40%

03:00

19

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21°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

5

km/h

Humidity icon

36%

04:00

19

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21°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

6

km/h

Humidity icon

34%

05:00

19

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

7

km/h

Humidity icon

32%

06:00

19

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

7

km/h

Humidity icon

30%

07:00

26

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

5

km/h

Humidity icon

32%

08:00

34

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

3

km/h

Humidity icon

31%

09:00

42

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

5

km/h

Humidity icon

28%

10:00

41

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

6

km/h

Humidity icon

27%

11:00

41

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

7

km/h

Humidity icon

23%

12:00

41

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

10

km/h

Humidity icon

18%

13:00

37

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

10

km/h

Humidity icon

13%

14:00

33

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 161 degree

8

km/h

Humidity icon

12%

15:00

30

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

7

km/h

Humidity icon

12%

16:00

26

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

8

km/h

Humidity icon

12%

17:00

22

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

14

km/h

Humidity icon

14%

18:00

19

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

25

km/h

Humidity icon

22%

19:00

20

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

27

km/h

Humidity icon

29%

20:00

21

Weather icon

90%

20°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

13

km/h

Humidity icon

40%

21:00

23

Weather icon

90%

20°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

8

km/h

Humidity icon

60%

22:00

23

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 18 degree

11

km/h

Humidity icon

65%

23:00

23

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

12

km/h

Humidity icon

59%

Sun

00:00

23

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 195 degree

14

km/h

Humidity icon

53%

01:00

23

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

8

km/h

Humidity icon

50%

02:00

23

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

5

km/h

Humidity icon

49%

03:00

24

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

4

km/h

Humidity icon

48%

04:00

33

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

8

km/h

Humidity icon

45%

05:00

42

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

8

km/h

Humidity icon

41%

06:00

51

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

9

km/h

Humidity icon

36%

07:00

51

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

8

km/h

Humidity icon

32%

08:00

51

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 234 degree

5

km/h

Humidity icon

22%

09:00

52

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

2

km/h

Humidity icon

17%

10:00

52

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 133 degree

13

km/h

Humidity icon

14%

11:00

52

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

16

km/h

Humidity icon

11%

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.

Health recommendations

Protect yourself from air pollution in Boulder

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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

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

Moderate

50%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in Boulder

Health recommendations

Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

Moderate

50%
Pollen weed icon

Weed

Moderate

50%

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

1066 Berea Dr

43

2
The national flag of USA

Boulder Reservoir

34

3
The national flag of USA

285 Vail Cir

33

4
The national flag of USA

717 Evergreen Boulder

32

5
The national flag of USA

10th Street

31

6
The national flag of USA

1491 High St

31

7
The national flag of USA

Bean Mountain Lane

30

8
The national flag of USA

Chautauqua Heights, Cascade Avenue

29

9
The national flag of USA

18th Street

26

10
The national flag of USA

Boulder - CU - 2102 Athens St.

21

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Glendora, California

81

2
The national flag of USA

Jurupa Valley, California

76

3
The national flag of USA

Burbank, Los Angeles County, California

75

4
The national flag of USA

Pinal County, Arizona

75

5
The national flag of USA

East Los Angeles, California

74

6
The national flag of USA

Malibu, California

74

7
The national flag of USA

Florence-Graham, California

73

8
The national flag of USA

West Hollywood, California

73

9
The national flag of USA

Glendale, California

72

10
The national flag of USA

Inglewood, California

72

History

Historic air quality graph for Boulder

29 AQI⁺ US
Good
11:00–12:00 Jun 04 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

29 AQI⁺ US
Good
11:00–12:00 Jun 04 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

1066 Berea Dr

43

2
The national flag of USA

Boulder Reservoir

34

3
The national flag of USA

285 Vail Cir

33

4
The national flag of USA

717 Evergreen Boulder

32

5
The national flag of USA

10th Street

31

6
The national flag of USA

1491 High St

31

7
The national flag of USA

Bean Mountain Lane

30

8
The national flag of USA

Chautauqua Heights, Cascade Avenue

29

9
The national flag of USA

18th Street

26

10
The national flag of USA

Boulder - CU - 2102 Athens St.

21

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Glendora, California

81

2
The national flag of USA

Jurupa Valley, California

76

3
The national flag of USA

Burbank, Los Angeles County, California

75

4
The national flag of USA

Pinal County, Arizona

75

5
The national flag of USA

East Los Angeles, California

74

6
The national flag of USA

Malibu, California

74

7
The national flag of USA

Florence-Graham, California

73

8
The national flag of USA

West Hollywood, California

73

9
The national flag of USA

Glendale, California

72

10
The national flag of USA

Inglewood, California

72

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