Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 57 Followers • 22:00, Jul 23 Local time

71

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

O₃

120 µg/m³

weather condition icon

24°

wind direction icon

3 km/h

weather humid icon

72 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

71

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

3

km/h

Humidity icon

72%

23:00

67

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

25

km/h

Humidity icon

97%

Fri

00:00

63

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 234 degree

9

km/h

Humidity icon

87%

01:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

4

km/h

Humidity icon

74%

02:00

55

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

1

km/h

Humidity icon

57%

03:00

65

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

3

km/h

Humidity icon

70%

04:00

64

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

4

km/h

Humidity icon

83%

05:00

62

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

3

km/h

Humidity icon

92%

06:00

64

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

1

km/h

Humidity icon

96%

07:00

63

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

3

km/h

Humidity icon

79%

08:00

62

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 152 degree

5

km/h

Humidity icon

66%

09:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

7

km/h

Humidity icon

55%

10:00

61

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

9

km/h

Humidity icon

46%

11:00

61

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

10

km/h

Humidity icon

37%

12:00

61

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 115 degree

9

km/h

Humidity icon

32%

13:00

61

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

8

km/h

Humidity icon

33%

14:00

61

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

5

km/h

Humidity icon

31%

15:00

59

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

2

km/h

Humidity icon

30%

16:00

59

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 118 degree

4

km/h

Humidity icon

28%

17:00

59

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 133 degree

5

km/h

Humidity icon

28%

18:00

60

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

4

km/h

Humidity icon

29%

19:00

60

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

4

km/h

Humidity icon

31%

20:00

60

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 164 degree

3

km/h

Humidity icon

34%

21:00

59

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

1

km/h

Humidity icon

33%

22:00

59

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

2

km/h

Humidity icon

39%

23:00

59

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

6

km/h

Humidity icon

38%

Sat

00:00

60

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

8

km/h

Humidity icon

41%

01:00

60

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

4

km/h

Humidity icon

43%

02:00

60

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

4

km/h

Humidity icon

43%

03:00

60

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

3

km/h

Humidity icon

42%

04:00

60

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

3

km/h

Humidity icon

47%

05:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

3

km/h

Humidity icon

48%

06:00

56

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

3

km/h

Humidity icon

41%

07:00

56

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

3

km/h

Humidity icon

38%

08:00

56

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

2

km/h

Humidity icon

34%

09:00

63

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

5

km/h

Humidity icon

35%

10:00

63

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

7

km/h

Humidity icon

35%

11:00

63

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 95 degree

7

km/h

Humidity icon

31%

12:00

63

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

6

km/h

Humidity icon

26%

13:00

63

Weather icon

36°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

6

km/h

Humidity icon

23%

14:00

63

Weather icon

36°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

6

km/h

Humidity icon

22%

15:00

63

Weather icon

37°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

8

km/h

Humidity icon

21%

16:00

63

Weather icon

37°

IQAir AirVisual Air Quality Map Wind rotating 177 degree

8

km/h

Humidity icon

21%

17:00

63

Weather icon

37°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

8

km/h

Humidity icon

21%

18:00

40

Weather icon

36°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

19

km/h

Humidity icon

22%

19:00

40

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

14

km/h

Humidity icon

27%

20:00

40

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

13

km/h

Humidity icon

30%

21:00

51

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

14

km/h

Humidity icon

32%

22:00

51

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

13

km/h

Humidity icon

38%

23:00

51

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

12

km/h

Humidity icon

40%

Sun

00:00

42

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

9

km/h

Humidity icon

36%

01:00

42

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

8

km/h

Humidity icon

39%

02:00

42

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

8

km/h

Humidity icon

39%

03:00

38

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

10

km/h

Humidity icon

37%

04:00

38

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

9

km/h

Humidity icon

37%

05:00

38

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

8

km/h

Humidity icon

38%

06:00

57

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

10

km/h

Humidity icon

37%

07:00

57

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

8

km/h

Humidity icon

36%

08:00

57

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

2

km/h

Humidity icon

29%

09:00

60

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

3

km/h

Humidity icon

26%

10:00

60

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

3

km/h

Humidity icon

23%

11:00

60

Weather icon

36°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

6

km/h

Humidity icon

19%

12:00

42

Weather icon

37°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

9

km/h

Humidity icon

15%

13:00

42

Weather icon

38°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

11

km/h

Humidity icon

14%

14:00

42

Weather icon

38°

IQAir AirVisual Air Quality Map Wind rotating 189 degree

16

km/h

Humidity icon

13%

15:00

26

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

37

km/h

Humidity icon

31%

16:00

26

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

21

km/h

Humidity icon

37%

17:00

26

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

16

km/h

Humidity icon

33%

18:00

23

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

23

km/h

Humidity icon

32%

19:00

23

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

5

km/h

Humidity icon

28%

20:00

23

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

17

km/h

Humidity icon

31%

21:00

23

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

13

km/h

Humidity icon

36%

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

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

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

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

48

2
The national flag of USA

1066 Berea Dr

30

3
The national flag of USA

Boulder - CU - 2102 Athens St.

27

4
The national flag of USA

10th Street

24

5
The national flag of USA

2055-1901 Kalmia Ave

23

6
The national flag of USA

Chautauqua Heights, Cascade Avenue

21

7
The national flag of USA

285 Vail Cir

19

8
The national flag of USA

717 Evergreen Boulder

17

9
The national flag of USA

Bean Mountain Lane

17

10
The national flag of USA

650 S 40th St

5

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Newport, Washington

195

2
The national flag of USA

Inchelium, Washington

194

3
The national flag of USA

Stevens County, Washington

181

4
The national flag of USA

Pend Oreille County, Washington

178

5
The national flag of USA

Ferry County, Washington

176

6
The national flag of USA

Walla Walla, Washington

167

7
The national flag of USA

Country Homes, Washington

158

8
The national flag of USA

Spokane County, Washington

158

9
The national flag of USA

Kettle Falls, Washington

157

10
The national flag of USA

Chelan, Washington

156

History

Historic air quality graph for Boulder

22 AQI⁺ US
Good
21:00–22:00 Jul 23 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

22 AQI⁺ US
Good
21:00–22:00 Jul 23 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

48

2
The national flag of USA

1066 Berea Dr

30

3
The national flag of USA

Boulder - CU - 2102 Athens St.

27

4
The national flag of USA

10th Street

24

5
The national flag of USA

2055-1901 Kalmia Ave

23

6
The national flag of USA

Chautauqua Heights, Cascade Avenue

21

7
The national flag of USA

285 Vail Cir

19

8
The national flag of USA

717 Evergreen Boulder

17

9
The national flag of USA

Bean Mountain Lane

17

10
The national flag of USA

650 S 40th St

5

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Newport, Washington

195

2
The national flag of USA

Inchelium, Washington

194

3
The national flag of USA

Stevens County, Washington

181

4
The national flag of USA

Pend Oreille County, Washington

178

5
The national flag of USA

Ferry County, Washington

176

6
The national flag of USA

Walla Walla, Washington

167

7
The national flag of USA

Country Homes, Washington

158

8
The national flag of USA

Spokane County, Washington

158

9
The national flag of USA

Kettle Falls, Washington

157

10
The national flag of USA

Chelan, Washington

156

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