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Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 00:00, Nov 05 Local time

9

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

1.6 µg/m³

weather condition icon

2°

wind direction icon

10 km/h

weather humid icon

56 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

9

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

10

km/h

Humidity icon

56%

01:00

9

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3°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

9

km/h

Humidity icon

54%

02:00

9

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3°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

8

km/h

Humidity icon

53%

03:00

8

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3°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

7

km/h

Humidity icon

55%

04:00

8

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3°

IQAir AirVisual Air Quality Map Wind rotating 339 degree

6

km/h

Humidity icon

52%

05:00

8

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3°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

6

km/h

Humidity icon

48%

06:00

8

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2°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

6

km/h

Humidity icon

56%

07:00

7

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

4

km/h

Humidity icon

57%

08:00

8

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

3

km/h

Humidity icon

54%

09:00

8

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5°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

3

km/h

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47%

10:00

8

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6°

IQAir AirVisual Air Quality Map Wind rotating 140 degree

4

km/h

Humidity icon

47%

11:00

10

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7°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

7

km/h

Humidity icon

48%

12:00

10

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

7

km/h

Humidity icon

49%

13:00

10

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

8

km/h

Humidity icon

49%

14:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

8

km/h

Humidity icon

48%

15:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

7

km/h

Humidity icon

48%

16:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

6

km/h

Humidity icon

48%

17:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

5

km/h

Humidity icon

56%

18:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

2

km/h

Humidity icon

62%

19:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

2

km/h

Humidity icon

62%

20:00

6

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4°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

5

km/h

Humidity icon

62%

21:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

4

km/h

Humidity icon

62%

22:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

1

km/h

Humidity icon

61%

23:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

2

km/h

Humidity icon

61%

Fri

00:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 13 degree

2

km/h

Humidity icon

62%

01:00

7

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 17 degree

3

km/h

Humidity icon

64%

02:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 6 degree

4

km/h

Humidity icon

66%

03:00

6

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3°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

6

km/h

Humidity icon

64%

04:00

6

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3°

IQAir AirVisual Air Quality Map Wind rotating 7 degree

7

km/h

Humidity icon

63%

05:00

6

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3°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

6

km/h

Humidity icon

63%

06:00

6

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2°

IQAir AirVisual Air Quality Map Wind rotating 3 degree

6

km/h

Humidity icon

64%

07:00

6

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2°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

7

km/h

Humidity icon

63%

08:00

6

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4°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

5

km/h

Humidity icon

60%

09:00

6

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6°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

4

km/h

Humidity icon

52%

10:00

6

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7°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

6

km/h

Humidity icon

49%

11:00

6

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8°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

9

km/h

Humidity icon

46%

12:00

6

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9°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

9

km/h

Humidity icon

44%

13:00

6

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9°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

10

km/h

Humidity icon

41%

14:00

8

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10°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

10

km/h

Humidity icon

39%

15:00

8

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10°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

10

km/h

Humidity icon

36%

16:00

8

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9°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

8

km/h

Humidity icon

33%

17:00

6

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8°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

9

km/h

Humidity icon

39%

18:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

14

km/h

Humidity icon

44%

19:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

16

km/h

Humidity icon

49%

20:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

14

km/h

Humidity icon

50%

21:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 354 degree

14

km/h

Humidity icon

51%

22:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

14

km/h

Humidity icon

48%

23:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 354 degree

14

km/h

Humidity icon

46%

Sat

00:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 357 degree

14

km/h

Humidity icon

46%

01:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

14

km/h

Humidity icon

46%

02:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

14

km/h

Humidity icon

44%

03:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

13

km/h

Humidity icon

41%

04:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

12

km/h

Humidity icon

39%

05:00

6

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3°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

10

km/h

Humidity icon

37%

06:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

9

km/h

Humidity icon

35%

07:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

8

km/h

Humidity icon

32%

08:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

5

km/h

Humidity icon

34%

09:00

7

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

3

km/h

Humidity icon

24%

10:00

7

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

7

km/h

Humidity icon

26%

11:00

7

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

9

km/h

Humidity icon

28%

12:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 152 degree

10

km/h

Humidity icon

29%

13:00

7

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

9

km/h

Humidity icon

29%

14:00

8

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

9

km/h

Humidity icon

28%

15:00

8

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

9

km/h

Humidity icon

29%

16:00

8

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

8

km/h

Humidity icon

31%

17:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

5

km/h

Humidity icon

42%

18:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

1

km/h

Humidity icon

45%

19:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

3

km/h

Humidity icon

46%

20:00

7

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

2

km/h

Humidity icon

46%

21:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

2

km/h

Humidity icon

46%

22:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

3

km/h

Humidity icon

46%

23:00

11

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

5

km/h

Humidity icon

45%

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

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

Pollen

What is the pollen count in Boulder 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

Health recommendations

Pollen

What is the pollen count in Boulder 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

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

925-889 UT-12

8

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Grants Pass, Oregon

182

2
The national flag of USA

Coeur d'Alene, Idaho

163

3
The national flag of USA

Kettleman City, California

154

4
The national flag of USA

Hood River, Oregon

144

5
The national flag of USA

White Salmon, Washington

137

6
The national flag of USA

Pixley, California

127

7
The national flag of USA

East Wenatchee, Washington

119

8
The national flag of USA

Leavenworth, Washington

119

9
The national flag of USA

Quincy, Washington

119

10
The national flag of USA

Laytonville, California

117

History

Historic air quality graph for Boulder

9 AQI⁺ US
Good
23:00–00:00 Nov 04 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

9 AQI⁺ US
Good
23:00–00:00 Nov 04 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

925-889 UT-12

8

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Grants Pass, Oregon

182

2
The national flag of USA

Coeur d'Alene, Idaho

163

3
The national flag of USA

Kettleman City, California

154

4
The national flag of USA

Hood River, Oregon

144

5
The national flag of USA

White Salmon, Washington

137

6
The national flag of USA

Pixley, California

127

7
The national flag of USA

East Wenatchee, Washington

119

8
The national flag of USA

Leavenworth, Washington

119

9
The national flag of USA

Quincy, Washington

119

10
The national flag of USA

Laytonville, California

117

Measure your own air quality

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

Where is the cleanest air quality in Boulder?