Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 5 Followers • 04:00, Jun 21 Local time

Milliken AQI Alert nearby

Milliken AQI Alert nearby

View alert

51

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

9.3 µg/m³

weather condition icon

18°

wind direction icon

10 km/h

weather humid icon

90 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

51

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

10

km/h

Humidity icon

90%

05:00

52

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17°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

6

km/h

Humidity icon

89%

06:00

56

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

5

km/h

Humidity icon

69%

07:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

8

km/h

Humidity icon

26%

08:00

60

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

9

km/h

Humidity icon

21%

09:00

63

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

10

km/h

Humidity icon

20%

10:00

65

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

13

km/h

Humidity icon

20%

11:00

67

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

11

km/h

Humidity icon

18%

12:00

46

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

19

km/h

Humidity icon

15%

13:00

46

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31°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

22

km/h

Humidity icon

12%

14:00

45

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

23

km/h

Humidity icon

12%

15:00

28

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31°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

19

km/h

Humidity icon

12%

16:00

26

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32°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

17

km/h

Humidity icon

12%

17:00

26

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

16

km/h

Humidity icon

12%

18:00

22

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

14

km/h

Humidity icon

11%

19:00

22

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

18

km/h

Humidity icon

13%

20:00

22

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26°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

17

km/h

Humidity icon

28%

21:00

19

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25°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

13

km/h

Humidity icon

34%

22:00

19

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23°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

11

km/h

Humidity icon

45%

23:00

19

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22°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

2

km/h

Humidity icon

48%

Mon

00:00

12

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

3

km/h

Humidity icon

46%

01:00

12

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21°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

2

km/h

Humidity icon

48%

02:00

12

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21°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

2

km/h

Humidity icon

50%

03:00

11

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20°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

5

km/h

Humidity icon

54%

04:00

11

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20°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

5

km/h

Humidity icon

60%

05:00

11

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19°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

3

km/h

Humidity icon

67%

06:00

19

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18°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

5

km/h

Humidity icon

66%

07:00

19

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18°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

8

km/h

Humidity icon

59%

08:00

19

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20°

IQAir AirVisual Air Quality Map Wind rotating 23 degree

8

km/h

Humidity icon

55%

09:00

20

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21°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

11

km/h

Humidity icon

51%

10:00

20

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23°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

7

km/h

Humidity icon

44%

11:00

20

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25°

IQAir AirVisual Air Quality Map Wind rotating 68 degree

4

km/h

Humidity icon

37%

12:00

21

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26°

IQAir AirVisual Air Quality Map Wind rotating 89 degree

5

km/h

Humidity icon

35%

13:00

21

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28°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

5

km/h

Humidity icon

28%

14:00

21

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30°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

5

km/h

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25%

15:00

21

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31°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

6

km/h

Humidity icon

22%

16:00

21

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31°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

11

km/h

Humidity icon

21%

17:00

21

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

8

km/h

Humidity icon

22%

18:00

53

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31°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

11

km/h

Humidity icon

23%

19:00

53

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28°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

16

km/h

Humidity icon

42%

20:00

53

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26°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

12

km/h

Humidity icon

41%

21:00

28

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20°

IQAir AirVisual Air Quality Map Wind rotating 1 degree

24

km/h

Humidity icon

72%

22:00

28

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19°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

21

km/h

Humidity icon

73%

23:00

28

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18°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

14

km/h

Humidity icon

78%

Tue

00:00

21

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

9

km/h

Humidity icon

79%

01:00

21

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17°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

6

km/h

Humidity icon

81%

02:00

21

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17°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

5

km/h

Humidity icon

83%

03:00

21

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16°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

5

km/h

Humidity icon

86%

04:00

21

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17°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

2

km/h

Humidity icon

86%

05:00

21

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16°

IQAir AirVisual Air Quality Map Wind rotating 55 degree

2

km/h

Humidity icon

88%

06:00

66

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16°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

3

km/h

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98%

07:00

66

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16°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

12

km/h

Humidity icon

78%

08:00

66

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

8

km/h

Humidity icon

66%

09:00

76

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

9

km/h

Humidity icon

55%

10:00

76

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21°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

7

km/h

Humidity icon

45%

11:00

76

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24°

IQAir AirVisual Air Quality Map Wind rotating 68 degree

8

km/h

Humidity icon

36%

12:00

55

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26°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

9

km/h

Humidity icon

30%

13:00

55

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28°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

12

km/h

Humidity icon

25%

14:00

55

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30°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

13

km/h

Humidity icon

22%

15:00

52

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31°

IQAir AirVisual Air Quality Map Wind rotating 94 degree

17

km/h

Humidity icon

20%

16:00

52

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31°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

18

km/h

Humidity icon

19%

17:00

52

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 78 degree

23

km/h

Humidity icon

20%

18:00

74

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28°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

37

km/h

Humidity icon

29%

19:00

74

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22°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

19

km/h

Humidity icon

37%

20:00

74

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

12

km/h

Humidity icon

46%

21:00

79

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

18

km/h

Humidity icon

61%

22:00

79

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

8

km/h

Humidity icon

90%

23:00

79

Weather icon

90%

17°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

5

km/h

Humidity icon

86%

Wed

00:00

80

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

4

km/h

Humidity icon

79%

01:00

80

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

2

km/h

Humidity icon

82%

02:00

80

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

3

km/h

Humidity icon

85%

03:00

80

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

1

km/h

Humidity icon

85%

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 1.9 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Protect yourself from air pollution in Boulder

SHOP IQAIR PRODUCTS

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Air Purifiers

FaceMasks.png

Face Masks

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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

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

None

0%
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

Atem_X.png

Air Purifiers

FaceMasks.png

Face Masks

Air_Monitors.png

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

Aztec Central

62

2
The national flag of USA

717 Evergreen Boulder

55

3
The national flag of USA

1066 Berea Dr

54

4
The national flag of USA

285 Vail Cir

54

5
The national flag of USA

Del Rosa Ct

51

6
The national flag of USA

1491 High St

50

7
The national flag of USA

Boulder - CU - 2102 Athens St.

49

8
The national flag of USA

10th Street

48

9
The national flag of USA

650 S 40th St

42

10
The national flag of USA

Boulder Reservoir

30

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Rancho Cucamonga, California

210

2
The national flag of USA

Upland, California

188

3
The national flag of USA

Claremont, California

183

4
The national flag of USA

La Verne, California

166

5
The national flag of USA

Glendora, California

147

6
The national flag of USA

Richland County, South Carolina

144

7
The national flag of USA

Wayne County, Utah

90

8
The national flag of USA

Palm Desert, California

82

9
The national flag of USA

Gila, Arizona

78

10
The national flag of USA

Albany County, Wyoming

75

History

Historic air quality graph for Boulder

51 AQI⁺ US
Moderate
03:00–04:00 Jun 21 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

51 AQI⁺ US
Moderate
03:00–04:00 Jun 21 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

Aztec Central

62

2
The national flag of USA

717 Evergreen Boulder

55

3
The national flag of USA

1066 Berea Dr

54

4
The national flag of USA

285 Vail Cir

54

5
The national flag of USA

Del Rosa Ct

51

6
The national flag of USA

1491 High St

50

7
The national flag of USA

Boulder - CU - 2102 Athens St.

49

8
The national flag of USA

10th Street

48

9
The national flag of USA

650 S 40th St

42

10
The national flag of USA

Boulder Reservoir

30

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Rancho Cucamonga, California

210

2
The national flag of USA

Upland, California

188

3
The national flag of USA

Claremont, California

183

4
The national flag of USA

La Verne, California

166

5
The national flag of USA

Glendora, California

147

6
The national flag of USA

Richland County, South Carolina

144

7
The national flag of USA

Wayne County, Utah

90

8
The national flag of USA

Palm Desert, California

82

9
The national flag of USA

Gila, Arizona

78

10
The national flag of USA

Albany County, Wyoming

75

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