Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 4 Followers • 17:00, Jun 03 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

View alert

48

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

O₃

118 µg/m³

weather condition icon

22°

wind direction icon

9 km/h

weather humid icon

43 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

48

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

9

km/h

Humidity icon

43%

18:00

46

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

20

km/h

Humidity icon

72%

19:00

43

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

12

km/h

Humidity icon

62%

20:00

41

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

4

km/h

Humidity icon

58%

21:00

40

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

3

km/h

Humidity icon

58%

22:00

38

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

8

km/h

Humidity icon

51%

23:00

36

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

5

km/h

Humidity icon

48%

Thu

00:00

32

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

5

km/h

Humidity icon

49%

01:00

30

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

4

km/h

Humidity icon

58%

02:00

28

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

3

km/h

Humidity icon

50%

03:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

5

km/h

Humidity icon

33%

04:00

20

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

5

km/h

Humidity icon

31%

05:00

17

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

3

km/h

Humidity icon

36%

06:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

0

km/h

Humidity icon

39%

07:00

19

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 192 degree

3

km/h

Humidity icon

36%

08:00

19

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

3

km/h

Humidity icon

38%

09:00

27

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

7

km/h

Humidity icon

39%

10:00

27

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

8

km/h

Humidity icon

39%

11:00

27

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

8

km/h

Humidity icon

25%

12:00

24

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

10

km/h

Humidity icon

19%

13:00

24

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

10

km/h

Humidity icon

20%

14:00

24

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

10

km/h

Humidity icon

19%

15:00

23

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

6

km/h

Humidity icon

18%

16:00

23

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

10

km/h

Humidity icon

21%

17:00

23

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

13

km/h

Humidity icon

23%

18:00

21

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

11

km/h

Humidity icon

20%

19:00

21

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

1

km/h

Humidity icon

22%

20:00

21

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 200 degree

4

km/h

Humidity icon

20%

21:00

27

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

7

km/h

Humidity icon

21%

22:00

27

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

7

km/h

Humidity icon

25%

23:00

27

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

13

km/h

Humidity icon

31%

Fri

00:00

22

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

13

km/h

Humidity icon

30%

01:00

22

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

13

km/h

Humidity icon

29%

02:00

22

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

12

km/h

Humidity icon

29%

03:00

20

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

11

km/h

Humidity icon

32%

04:00

20

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20°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

14

km/h

Humidity icon

33%

05:00

20

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

13

km/h

Humidity icon

36%

06:00

17

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

13

km/h

Humidity icon

35%

07:00

17

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

7

km/h

Humidity icon

29%

08:00

17

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 76 degree

9

km/h

Humidity icon

31%

09:00

35

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

9

km/h

Humidity icon

41%

10:00

35

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

9

km/h

Humidity icon

34%

11:00

35

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

10

km/h

Humidity icon

27%

12:00

37

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

8

km/h

Humidity icon

23%

13:00

37

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 95 degree

9

km/h

Humidity icon

22%

14:00

37

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

9

km/h

Humidity icon

21%

15:00

31

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

9

km/h

Humidity icon

20%

16:00

31

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

9

km/h

Humidity icon

20%

17:00

31

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

10

km/h

Humidity icon

22%

18:00

23

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

8

km/h

Humidity icon

24%

19:00

23

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

22

km/h

Humidity icon

21%

20:00

23

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 119 degree

18

km/h

Humidity icon

28%

21:00

26

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

12

km/h

Humidity icon

36%

22:00

26

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 211 degree

9

km/h

Humidity icon

38%

23:00

26

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

6

km/h

Humidity icon

42%

Sat

00:00

28

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

6

km/h

Humidity icon

43%

01:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

8

km/h

Humidity icon

44%

02:00

28

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

10

km/h

Humidity icon

44%

03:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

6

km/h

Humidity icon

47%

04:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

7

km/h

Humidity icon

45%

05:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

8

km/h

Humidity icon

39%

06:00

19

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

3

km/h

Humidity icon

40%

07:00

19

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

3

km/h

Humidity icon

30%

08:00

19

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

3

km/h

Humidity icon

26%

09:00

24

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

7

km/h

Humidity icon

24%

10:00

24

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

10

km/h

Humidity icon

22%

11:00

24

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

11

km/h

Humidity icon

19%

12:00

25

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

15

km/h

Humidity icon

15%

13:00

25

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

13

km/h

Humidity icon

11%

14:00

25

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

13

km/h

Humidity icon

10%

15:00

19

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

24

km/h

Humidity icon

10%

16:00

19

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

32

km/h

Humidity icon

14%

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

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Medical grade air purifiers

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Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Low

25%
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

Low

25%
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

Boulder Reservoir

47

2
The national flag of USA

1066 Berea Dr

29

3
The national flag of USA

717 Evergreen Boulder

27

4
The national flag of USA

Bean Mountain Lane

27

5
The national flag of USA

10th Street

26

6
The national flag of USA

Boulder - CU - 2102 Athens St.

26

7
The national flag of USA

1491 High St

25

8
The national flag of USA

285 Vail Cir

24

9
The national flag of USA

Chautauqua Heights, Cascade Avenue

23

10
The national flag of USA

18th Street

21

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Las Vegas, Nevada

83

2
The national flag of USA

Glendora, California

72

3
The national flag of USA

Jurupa Valley, California

72

4
The national flag of USA

Redlands, California

72

5
The national flag of USA

Fort Worth, Texas

70

6
The national flag of USA

Palm Springs, California

69

7
The national flag of USA

Cochise, Arizona

68

8
The national flag of USA

Indio, California

68

9
The national flag of USA

Murphys, California

68

10
The national flag of USA

Altadena, California

66

History

Historic air quality graph for Boulder

24 AQI⁺ US
Good
16:00–17:00 Jun 03 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

24 AQI⁺ US
Good
16:00–17:00 Jun 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

Boulder Reservoir

47

2
The national flag of USA

1066 Berea Dr

29

3
The national flag of USA

717 Evergreen Boulder

27

4
The national flag of USA

Bean Mountain Lane

27

5
The national flag of USA

10th Street

26

6
The national flag of USA

Boulder - CU - 2102 Athens St.

26

7
The national flag of USA

1491 High St

25

8
The national flag of USA

285 Vail Cir

24

9
The national flag of USA

Chautauqua Heights, Cascade Avenue

23

10
The national flag of USA

18th Street

21

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Las Vegas, Nevada

83

2
The national flag of USA

Glendora, California

72

3
The national flag of USA

Jurupa Valley, California

72

4
The national flag of USA

Redlands, California

72

5
The national flag of USA

Fort Worth, Texas

70

6
The national flag of USA

Palm Springs, California

69

7
The national flag of USA

Cochise, Arizona

68

8
The national flag of USA

Indio, California

68

9
The national flag of USA

Murphys, California

68

10
The national flag of USA

Altadena, California

66

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