Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 437 Followers • 06:00, May 19 Local time

16

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

2.9 µg/m³

weather condition icon

2°

wind direction icon

5 km/h

weather humid icon

61 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 296 degree

5

km/h

Humidity icon

61%

07:00

15

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IQAir AirVisual Air Quality Map Wind rotating 278 degree

5

km/h

Humidity icon

60%

08:00

14

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IQAir AirVisual Air Quality Map Wind rotating 240 degree

7

km/h

Humidity icon

54%

09:00

14

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IQAir AirVisual Air Quality Map Wind rotating 252 degree

10

km/h

Humidity icon

47%

10:00

13

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

10

km/h

Humidity icon

39%

11:00

12

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12°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

8

km/h

Humidity icon

33%

12:00

11

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13°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

7

km/h

Humidity icon

30%

13:00

10

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14°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

9

km/h

Humidity icon

27%

14:00

9

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15°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

9

km/h

Humidity icon

25%

15:00

9

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

9

km/h

Humidity icon

23%

16:00

8

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15°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

9

km/h

Humidity icon

27%

17:00

7

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16°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

10

km/h

Humidity icon

26%

18:00

6

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

14

km/h

Humidity icon

25%

19:00

6

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14°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

17

km/h

Humidity icon

34%

20:00

6

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11°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

9

km/h

Humidity icon

54%

21:00

15

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IQAir AirVisual Air Quality Map Wind rotating 353 degree

7

km/h

Humidity icon

63%

22:00

15

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IQAir AirVisual Air Quality Map Wind rotating 320 degree

6

km/h

Humidity icon

61%

23:00

15

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IQAir AirVisual Air Quality Map Wind rotating 299 degree

7

km/h

Humidity icon

64%

Wed

00:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 294 degree

5

km/h

Humidity icon

66%

01:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 266 degree

1

km/h

Humidity icon

66%

02:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 292 degree

1

km/h

Humidity icon

69%

03:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 314 degree

2

km/h

Humidity icon

70%

04:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 326 degree

3

km/h

Humidity icon

72%

05:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 345 degree

1

km/h

Humidity icon

74%

06:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 292 degree

2

km/h

Humidity icon

77%

07:00

13

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IQAir AirVisual Air Quality Map Wind rotating 297 degree

3

km/h

Humidity icon

73%

08:00

13

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IQAir AirVisual Air Quality Map Wind rotating 280 degree

6

km/h

Humidity icon

65%

09:00

12

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10°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

10

km/h

Humidity icon

58%

10:00

12

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11°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

10

km/h

Humidity icon

50%

11:00

12

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12°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

9

km/h

Humidity icon

44%

12:00

27

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

9

km/h

Humidity icon

37%

13:00

27

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

11

km/h

Humidity icon

35%

14:00

27

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

13

km/h

Humidity icon

35%

15:00

23

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15°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

15

km/h

Humidity icon

31%

16:00

23

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15°

IQAir AirVisual Air Quality Map Wind rotating 302 degree

11

km/h

Humidity icon

32%

17:00

23

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15°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

16

km/h

Humidity icon

35%

18:00

18

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10°

IQAir AirVisual Air Quality Map Wind rotating 31 degree

17

km/h

Humidity icon

67%

19:00

18

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90%

IQAir AirVisual Air Quality Map Wind rotating 16 degree

29

km/h

Humidity icon

88%

20:00

18

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90%

IQAir AirVisual Air Quality Map Wind rotating 17 degree

21

km/h

Humidity icon

84%

21:00

22

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IQAir AirVisual Air Quality Map Wind rotating 4 degree

16

km/h

Humidity icon

85%

22:00

22

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IQAir AirVisual Air Quality Map Wind rotating 30 degree

8

km/h

Humidity icon

91%

23:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 11 degree

12

km/h

Humidity icon

92%

Thu

00:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 4 degree

11

km/h

Humidity icon

86%

01:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 9 degree

10

km/h

Humidity icon

85%

02:00

31

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 5 degree

14

km/h

Humidity icon

85%

03:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 1 degree

14

km/h

Humidity icon

87%

04:00

22

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IQAir AirVisual Air Quality Map Wind rotating 355 degree

12

km/h

Humidity icon

84%

05:00

22

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IQAir AirVisual Air Quality Map Wind rotating 352 degree

12

km/h

Humidity icon

80%

06:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 354 degree

10

km/h

Humidity icon

78%

07:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 11 degree

8

km/h

Humidity icon

92%

08:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 359 degree

9

km/h

Humidity icon

83%

09:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 2 degree

7

km/h

Humidity icon

67%

10:00

13

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IQAir AirVisual Air Quality Map Wind rotating 45 degree

6

km/h

Humidity icon

56%

11:00

13

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10°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

5

km/h

Humidity icon

51%

12:00

21

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11°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

4

km/h

Humidity icon

51%

13:00

21

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80%

12°

IQAir AirVisual Air Quality Map Wind rotating 196 degree

4

km/h

Humidity icon

51%

14:00

21

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

5

km/h

Humidity icon

46%

15:00

12

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15°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

4

km/h

Humidity icon

39%

16:00

12

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

10

km/h

Humidity icon

36%

17:00

12

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

16

km/h

Humidity icon

35%

18:00

11

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

16

km/h

Humidity icon

37%

19:00

11

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14°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

13

km/h

Humidity icon

40%

20:00

11

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

10

km/h

Humidity icon

43%

21:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 147 degree

8

km/h

Humidity icon

53%

22:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 170 degree

6

km/h

Humidity icon

60%

23:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 172 degree

3

km/h

Humidity icon

64%

Fri

00:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 163 degree

2

km/h

Humidity icon

66%

01:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 164 degree

3

km/h

Humidity icon

67%

02:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 189 degree

3

km/h

Humidity icon

67%

03:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 197 degree

3

km/h

Humidity icon

68%

04:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 198 degree

4

km/h

Humidity icon

70%

05:00

6

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 230 degree

5

km/h

Humidity icon

69%

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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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

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Pollen

What is the pollen count in Boulder today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
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

Low

Pollen tree icon

Tree

Low

25%
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

100-198 E 4th Ave

16

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Simi Valley, California

110

2
The national flag of USA

Manhattan Beach, California

99

3
The national flag of USA

Oak Park, California

98

4
The national flag of USA

Moorpark, California

97

5
The national flag of USA

Redondo Beach, California

94

6
The national flag of USA

Hawthorne, California

91

7
The national flag of USA

Inglewood, California

89

8
The national flag of USA

Gardena, California

88

9
The national flag of USA

Culver City, California

85

10
The national flag of USA

Riverside, California

85

History

Historic air quality graph for Boulder

16 AQI⁺ US
Good
05:00–06:00 May 19 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

16 AQI⁺ US
Good
05:00–06:00 May 19 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

100-198 E 4th Ave

16

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Simi Valley, California

110

2
The national flag of USA

Manhattan Beach, California

99

3
The national flag of USA

Oak Park, California

98

4
The national flag of USA

Moorpark, California

97

5
The national flag of USA

Redondo Beach, California

94

6
The national flag of USA

Hawthorne, California

91

7
The national flag of USA

Inglewood, California

89

8
The national flag of USA

Gardena, California

88

9
The national flag of USA

Culver City, California

85

10
The national flag of USA

Riverside, California

85

Measure your own air quality

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

Where is the cleanest air quality in Boulder?