WorldArrow icon
Arrow iconBoulder

Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 129 Followers • 03:00, Aug 12 Local time

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

48

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

8.7 µg/m³

weather condition icon

25°

wind direction icon

11 km/h

weather humid icon

37 %

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

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

48

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

11

km/h

Humidity icon

37%

04:00

49

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

12

km/h

Humidity icon

42%

05:00

50

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

11

km/h

Humidity icon

39%

06:00

51

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

9

km/h

Humidity icon

40%

07:00

52

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

9

km/h

Humidity icon

40%

08:00

52

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

2

km/h

Humidity icon

34%

09:00

53

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

6

km/h

Humidity icon

28%

10:00

53

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

3

km/h

Humidity icon

25%

11:00

53

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

7

km/h

Humidity icon

23%

12:00

53

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 76 degree

10

km/h

Humidity icon

21%

13:00

53

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

8

km/h

Humidity icon

19%

14:00

53

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

4

km/h

Humidity icon

19%

15:00

52

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

20

km/h

Humidity icon

27%

16:00

52

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

19

km/h

Humidity icon

25%

17:00

52

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

26

km/h

Humidity icon

29%

18:00

52

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 34 degree

30

km/h

Humidity icon

87%

19:00

52

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

10

km/h

Humidity icon

63%

20:00

52

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

6

km/h

Humidity icon

62%

21:00

52

Weather icon

70%

20°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

5

km/h

Humidity icon

74%

22:00

53

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

3

km/h

Humidity icon

74%

23:00

55

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

6

km/h

Humidity icon

73%

Thu

00:00

57

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

5

km/h

Humidity icon

76%

01:00

55

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 98 degree

5

km/h

Humidity icon

76%

02:00

54

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

1

km/h

Humidity icon

77%

03:00

53

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

3

km/h

Humidity icon

75%

04:00

53

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 89 degree

3

km/h

Humidity icon

79%

05:00

53

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

2

km/h

Humidity icon

85%

06:00

53

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

2

km/h

Humidity icon

91%

07:00

56

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

4

km/h

Humidity icon

95%

08:00

59

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

8

km/h

Humidity icon

85%

09:00

63

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

12

km/h

Humidity icon

77%

10:00

63

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

11

km/h

Humidity icon

70%

11:00

64

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 62 degree

7

km/h

Humidity icon

63%

12:00

65

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

7

km/h

Humidity icon

54%

13:00

64

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

8

km/h

Humidity icon

47%

14:00

64

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

6

km/h

Humidity icon

49%

15:00

64

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

17

km/h

Humidity icon

41%

16:00

62

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

7

km/h

Humidity icon

39%

17:00

60

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

5

km/h

Humidity icon

39%

18:00

58

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

12

km/h

Humidity icon

46%

19:00

57

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

21

km/h

Humidity icon

51%

20:00

56

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

14

km/h

Humidity icon

52%

21:00

56

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

1

km/h

Humidity icon

51%

22:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

16

km/h

Humidity icon

59%

23:00

55

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

3

km/h

Humidity icon

90%

Fri

00:00

55

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

10

km/h

Humidity icon

77%

01:00

54

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 130 degree

6

km/h

Humidity icon

88%

02:00

53

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

2

km/h

Humidity icon

86%

03:00

52

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

5

km/h

Humidity icon

88%

04:00

52

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

5

km/h

Humidity icon

91%

05:00

52

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

3

km/h

Humidity icon

92%

06:00

52

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

2

km/h

Humidity icon

93%

07:00

52

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

9

km/h

Humidity icon

69%

08:00

53

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

6

km/h

Humidity icon

58%

09:00

54

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

3

km/h

Humidity icon

46%

10:00

55

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 107 degree

8

km/h

Humidity icon

40%

11:00

56

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 101 degree

13

km/h

Humidity icon

34%

12:00

57

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

15

km/h

Humidity icon

29%

13:00

59

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

16

km/h

Humidity icon

27%

14:00

61

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 286 degree

13

km/h

Humidity icon

36%

15:00

63

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

9

km/h

Humidity icon

52%

16:00

63

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

7

km/h

Humidity icon

46%

17:00

64

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 85 degree

16

km/h

Humidity icon

35%

18:00

65

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 62 degree

17

km/h

Humidity icon

53%

19:00

64

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

7

km/h

Humidity icon

62%

20:00

63

Weather icon

80%

19°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

4

km/h

Humidity icon

84%

21:00

62

Weather icon

80%

18°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

4

km/h

Humidity icon

90%

22:00

61

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

8

km/h

Humidity icon

83%

23:00

60

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

4

km/h

Humidity icon

77%

Sat

00:00

59

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

5

km/h

Humidity icon

72%

01:00

59

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

7

km/h

Humidity icon

75%

02:00

59

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

2

km/h

Humidity icon

77%

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

air quality map

Real-time Boulder air pollution map

Health recommendations

Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

High

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

High

75%

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

High

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

High

75%

Source:

wetter.com
Pollen forecast in Boulder

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

55

2
The national flag of USA

1066 Berea Dr

52

3
The national flag of USA

2055-1901 Kalmia Ave

52

4
The national flag of USA

285 Vail Cir

51

5
The national flag of USA

Del Rosa Ct

48

6
The national flag of USA

Boulder - CU - 2102 Athens St.

45

7
The national flag of USA

Engineering Center

44

8
The national flag of USA

Bean Mountain Lane

33

9
The national flag of USA

650 S 40th St

29

10
The national flag of USA

Boulder Reservoir

26

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Inchelium, Washington

218

2
The national flag of USA

Stevens County, Washington

212

3
The national flag of USA

Kettle Falls, Washington

202

4
The national flag of USA

Ferry County, Washington

190

5
The national flag of USA

Omak, Washington

182

6
The national flag of USA

Winthrop, Washington

180

7
The national flag of USA

Harney, Oregon

175

8
The national flag of USA

Big Sky, Montana

174

9
The national flag of USA

Burns, Oregon

174

10
The national flag of USA

Okanogan County, Washington

167

History

Historic air quality graph for Boulder

48 AQI⁺ US
Good
02:00–03:00 Aug 12 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

48 AQI⁺ US
Good
02:00–03:00 Aug 12 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

55

2
The national flag of USA

1066 Berea Dr

52

3
The national flag of USA

2055-1901 Kalmia Ave

52

4
The national flag of USA

285 Vail Cir

51

5
The national flag of USA

Del Rosa Ct

48

6
The national flag of USA

Boulder - CU - 2102 Athens St.

45

7
The national flag of USA

Engineering Center

44

8
The national flag of USA

Bean Mountain Lane

33

9
The national flag of USA

650 S 40th St

29

10
The national flag of USA

Boulder Reservoir

26

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Inchelium, Washington

218

2
The national flag of USA

Stevens County, Washington

212

3
The national flag of USA

Kettle Falls, Washington

202

4
The national flag of USA

Ferry County, Washington

190

5
The national flag of USA

Omak, Washington

182

6
The national flag of USA

Winthrop, Washington

180

7
The national flag of USA

Harney, Oregon

175

8
The national flag of USA

Big Sky, Montana

174

9
The national flag of USA

Burns, Oregon

174

10
The national flag of USA

Okanogan County, Washington

167

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: Kaiser Canyon Fire, Washington

external link icon

Heatwave Map Spotlight: Europe

external link icon

Chile Air Quality Alert

Where is the cleanest air quality in Boulder?