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Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 69 Followers • 23:00, Nov 02 Local time

6*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

1.2 µg/m³

weather condition icon

3°

wind direction icon

12 km/h

weather humid icon

88 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

12

km/h

Humidity icon

88%

Tue

03:00

6

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3°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

12

km/h

Humidity icon

88%

04:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

11

km/h

Humidity icon

89%

05:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

9

km/h

Humidity icon

88%

06:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

7

km/h

Humidity icon

89%

07:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

6

km/h

Humidity icon

90%

08:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 133 degree

6

km/h

Humidity icon

90%

09:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

6

km/h

Humidity icon

80%

10:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

3

km/h

Humidity icon

74%

11:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

8

km/h

Humidity icon

76%

12:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

3

km/h

Humidity icon

77%

13:00

6

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4°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

4

km/h

Humidity icon

68%

14:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

4

km/h

Humidity icon

64%

15:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

3

km/h

Humidity icon

64%

16:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

4

km/h

Humidity icon

65%

17:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

4

km/h

Humidity icon

71%

18:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

4

km/h

Humidity icon

74%

19:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

6

km/h

Humidity icon

84%

20:00

7

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

6

km/h

Humidity icon

92%

21:00

7

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

3

km/h

Humidity icon

93%

22:00

7

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 83 degree

2

km/h

Humidity icon

95%

23:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

3

km/h

Humidity icon

96%

Wed

00:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

3

km/h

Humidity icon

92%

01:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

3

km/h

Humidity icon

92%

02:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

4

km/h

Humidity icon

79%

03:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

6

km/h

Humidity icon

74%

04:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

8

km/h

Humidity icon

81%

05:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

9

km/h

Humidity icon

85%

06:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

9

km/h

Humidity icon

89%

07:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

9

km/h

Humidity icon

88%

08:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

6

km/h

Humidity icon

84%

09:00

6

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3°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

8

km/h

Humidity icon

75%

10:00

6

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4°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

9

km/h

Humidity icon

68%

11:00

6

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6°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

9

km/h

Humidity icon

61%

12:00

6

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6°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

10

km/h

Humidity icon

57%

13:00

6

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7°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

9

km/h

Humidity icon

55%

14:00

6

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8°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

8

km/h

Humidity icon

53%

15:00

6

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8°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

6

km/h

Humidity icon

53%

16:00

6

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7°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

6

km/h

Humidity icon

54%

17:00

6

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6°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

5

km/h

Humidity icon

59%

18:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

5

km/h

Humidity icon

62%

19:00

6

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2°

IQAir AirVisual Air Quality Map Wind rotating 26 degree

8

km/h

Humidity icon

79%

20:00

6

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0°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

8

km/h

Humidity icon

76%

21:00

6

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0°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

8

km/h

Humidity icon

70%

22:00

6

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0°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

7

km/h

Humidity icon

65%

23:00

6

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-1°

IQAir AirVisual Air Quality Map Wind rotating 52 degree

8

km/h

Humidity icon

62%

Thu

00:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

8

km/h

Humidity icon

54%

01:00

6

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0°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

7

km/h

Humidity icon

57%

02:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

7

km/h

Humidity icon

59%

03:00

6

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 85 degree

6

km/h

Humidity icon

58%

04:00

6

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1°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

6

km/h

Humidity icon

56%

05:00

6

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1°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

6

km/h

Humidity icon

53%

06:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

5

km/h

Humidity icon

58%

07:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

6

km/h

Humidity icon

59%

08:00

6

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

4

km/h

Humidity icon

53%

09:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

6

km/h

Humidity icon

48%

10:00

6

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5°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

5

km/h

Humidity icon

46%

11:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

6

km/h

Humidity icon

46%

12:00

6

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7°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

5

km/h

Humidity icon

44%

13:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

8

km/h

Humidity icon

42%

14:00

6

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8°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

6

km/h

Humidity icon

40%

15:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

7

km/h

Humidity icon

40%

16:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

5

km/h

Humidity icon

44%

17:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

7

km/h

Humidity icon

50%

18:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

4

km/h

Humidity icon

54%

19:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

0

km/h

Humidity icon

56%

20:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

3

km/h

Humidity icon

56%

21:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 1 degree

4

km/h

Humidity icon

57%

22:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

4

km/h

Humidity icon

59%

23:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

7

km/h

Humidity icon

59%

Fri

00:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

9

km/h

Humidity icon

60%

01:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

10

km/h

Humidity icon

63%

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

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Kendall, Washington

167

2
The national flag of USA

Deschutes River Woods, Oregon

141

3
The national flag of USA

Peaceful Valley, Washington

138

4
The national flag of USA

Pixley, California

132

5
The national flag of USA

Coeur d'Alene, Idaho

121

6
The national flag of USA

Pendleton, Oregon

118

7
The national flag of USA

Tualatin, Oregon

112

8
The national flag of USA

Grants Pass, Oregon

107

9
The national flag of USA

Salem, Oregon

107

10
The national flag of USA

Keizer, Oregon

99

History

Historic air quality graph for Boulder

6 AQI⁺ US
Good
23:00–00:00 Nov 02 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

6 AQI⁺ US
Good
23:00–00:00 Nov 02 Local time
AQI⁺ US

Most polluted locations near Boulder

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Kendall, Washington

167

2
The national flag of USA

Deschutes River Woods, Oregon

141

3
The national flag of USA

Peaceful Valley, Washington

138

4
The national flag of USA

Pixley, California

132

5
The national flag of USA

Coeur d'Alene, Idaho

121

6
The national flag of USA

Pendleton, Oregon

118

7
The national flag of USA

Tualatin, Oregon

112

8
The national flag of USA

Grants Pass, Oregon

107

9
The national flag of USA

Salem, Oregon

107

10
The national flag of USA

Keizer, Oregon

99

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