WorldArrow icon
Arrow iconBoulder County

Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 160.5K Followers • 12:00, May 27 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

View alert

17

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.2 µg/m³

weather condition icon

12°

wind direction icon

12 km/h

weather humid icon

68 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

12

km/h

Humidity icon

68%

13:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

21

km/h

Humidity icon

76%

14:00

18

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

16

km/h

Humidity icon

96%

15:00

18

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

22

km/h

Humidity icon

76%

16:00

18

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

14

km/h

Humidity icon

73%

17:00

18

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

18

km/h

Humidity icon

67%

18:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

18

km/h

Humidity icon

77%

19:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

10

km/h

Humidity icon

81%

20:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

9

km/h

Humidity icon

86%

21:00

26

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

8

km/h

Humidity icon

98%

22:00

27

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

5

km/h

Humidity icon

92%

23:00

28

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 192 degree

6

km/h

Humidity icon

86%

Thu

00:00

30

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

8

km/h

Humidity icon

78%

01:00

30

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

4

km/h

Humidity icon

79%

02:00

30

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

1

km/h

Humidity icon

79%

03:00

26

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

0

km/h

Humidity icon

87%

04:00

26

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

3

km/h

Humidity icon

84%

05:00

26

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

3

km/h

Humidity icon

78%

06:00

20

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

2

km/h

Humidity icon

76%

07:00

20

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

1

km/h

Humidity icon

81%

08:00

20

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

6

km/h

Humidity icon

79%

09:00

34

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

8

km/h

Humidity icon

76%

10:00

34

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

9

km/h

Humidity icon

76%

11:00

34

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

9

km/h

Humidity icon

70%

12:00

43

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

10

km/h

Humidity icon

63%

13:00

43

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

11

km/h

Humidity icon

57%

14:00

43

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

11

km/h

Humidity icon

53%

15:00

33

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

11

km/h

Humidity icon

50%

16:00

33

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

10

km/h

Humidity icon

50%

17:00

33

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

5

km/h

Humidity icon

49%

18:00

17

Weather icon

90%

16°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

4

km/h

Humidity icon

50%

19:00

17

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

10

km/h

Humidity icon

50%

20:00

17

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

10

km/h

Humidity icon

58%

21:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

4

km/h

Humidity icon

75%

22:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

4

km/h

Humidity icon

70%

23:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

7

km/h

Humidity icon

72%

Fri

00:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

8

km/h

Humidity icon

74%

01:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

3

km/h

Humidity icon

69%

02:00

21

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

3

km/h

Humidity icon

66%

03:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

2

km/h

Humidity icon

65%

04:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

12

km/h

Humidity icon

47%

05:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

15

km/h

Humidity icon

50%

06:00

16

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

6

km/h

Humidity icon

42%

07:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

1

km/h

Humidity icon

44%

08:00

16

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

2

km/h

Humidity icon

47%

09:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

4

km/h

Humidity icon

43%

10:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

8

km/h

Humidity icon

50%

11:00

19

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

11

km/h

Humidity icon

48%

12:00

27

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

9

km/h

Humidity icon

46%

13:00

27

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

12

km/h

Humidity icon

39%

14:00

27

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

11

km/h

Humidity icon

37%

15:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

6

km/h

Humidity icon

44%

16:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

14

km/h

Humidity icon

47%

17:00

22

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

13

km/h

Humidity icon

45%

18:00

15

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

11

km/h

Humidity icon

36%

19:00

15

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

4

km/h

Humidity icon

31%

20:00

15

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

30

km/h

Humidity icon

44%

21:00

16

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

17

km/h

Humidity icon

67%

22:00

16

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

16

km/h

Humidity icon

64%

23:00

16

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

15

km/h

Humidity icon

55%

Sat

00:00

21

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

16

km/h

Humidity icon

48%

01:00

21

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

16

km/h

Humidity icon

45%

02:00

21

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

15

km/h

Humidity icon

42%

03:00

17

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

16

km/h

Humidity icon

42%

04:00

17

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

17

km/h

Humidity icon

43%

05:00

17

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

15

km/h

Humidity icon

45%

06:00

18

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

16

km/h

Humidity icon

44%

07:00

18

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

12

km/h

Humidity icon

37%

08:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

11

km/h

Humidity icon

24%

09:00

20

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

18

km/h

Humidity icon

22%

10:00

20

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

24

km/h

Humidity icon

21%

11:00

20

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

22

km/h

Humidity icon

17%

Daily forecast

|

Boulder County air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Boulder County?

IQAir Check icon

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

air quality map

Real-time Boulder County air pollution map

Health recommendations

Protect yourself from air pollution in Boulder County

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Boulder County today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Boulder County

Health recommendations

air quality map

Real-time Boulder County air pollution map

Pollen

What is the pollen count in Boulder County today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Boulder County

Protect yourself from air pollution in Boulder County

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near Boulder County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder County

#StationsAQI⁺ US
1
The national flag of USA

161 Swallow Ln

22

2
The national flag of USA

32-16 Flamingo Dr

21

3
The national flag of USA

5555 Valmont Rd

20

4
The national flag of USA

5771-5701 Valmont Rd

20

5
The national flag of USA

5875-5817 Valmont Rd

19

6
The national flag of USA

5668-5698 Valmont Rd

17

7
The national flag of USA

5699-5669 Valmont Rd

17

8
The national flag of USA

Golden Eagle Lode

17

9
The national flag of USA

47th Street

13

10
The national flag of USA

818 Co Rd 116

5

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

115

2
The national flag of USA

Imperial, California

78

3
The national flag of USA

Maricopa County, Arizona

63

4
The national flag of USA

Cleveland, Ohio

62

5
The national flag of USA

Glassport, Pennsylvania

61

6
The national flag of USA

Summit, Illinois

60

7
The national flag of USA

Burnham, Illinois

59

8
The national flag of USA

Bedford Park, Illinois

58

9
The national flag of USA

Chester, Pennsylvania

58

10
The national flag of USA

Cicero, Illinois

58

History

Historic air quality graph for Boulder County

17 AQI⁺ US
Good
11:00–12:00 May 27 Local time
AQI⁺ US

History

Historic air quality graph for Boulder County

17 AQI⁺ US
Good
11:00–12:00 May 27 Local time
AQI⁺ US

Most polluted locations near Boulder County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder County

#StationsAQI⁺ US
1
The national flag of USA

161 Swallow Ln

22

2
The national flag of USA

32-16 Flamingo Dr

21

3
The national flag of USA

5555 Valmont Rd

20

4
The national flag of USA

5771-5701 Valmont Rd

20

5
The national flag of USA

5875-5817 Valmont Rd

19

6
The national flag of USA

5668-5698 Valmont Rd

17

7
The national flag of USA

5699-5669 Valmont Rd

17

8
The national flag of USA

Golden Eagle Lode

17

9
The national flag of USA

47th Street

13

10
The national flag of USA

818 Co Rd 116

5

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

115

2
The national flag of USA

Imperial, California

78

3
The national flag of USA

Maricopa County, Arizona

63

4
The national flag of USA

Cleveland, Ohio

62

5
The national flag of USA

Glassport, Pennsylvania

61

6
The national flag of USA

Summit, Illinois

60

7
The national flag of USA

Burnham, Illinois

59

8
The national flag of USA

Bedford Park, Illinois

58

9
The national flag of USA

Chester, Pennsylvania

58

10
The national flag of USA

Cicero, Illinois

58

Measure your own air quality

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

Get a monitorHow to contribute
external link icon

First, second, and thirdhand smoke explained: Why it lingers and spreads

external link icon

Air Quality Alert: Chemical Incident in Garden Grove, California

young girl coughing
external link icon

Do Air Purifiers Help With Allergies?

Begin your journey for cleaner air #IQAir

IQAir InstagramVisit us
IQAir TwitterVisit us
IQAir TiktokVisit us
IQAir FacebookVisit us

Where is the cleanest air quality in Boulder County?