Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 437 Followers • 01:00, May 22 Local time

18

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.3 µg/m³

weather condition icon

6°

wind direction icon

4 km/h

weather humid icon

63 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 272 degree

4

km/h

Humidity icon

63%

02:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 277 degree

5

km/h

Humidity icon

65%

03:00

16

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 274 degree

5

km/h

Humidity icon

65%

04:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 279 degree

5

km/h

Humidity icon

61%

05:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 271 degree

4

km/h

Humidity icon

61%

06:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 280 degree

4

km/h

Humidity icon

61%

07:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 268 degree

3

km/h

Humidity icon

62%

08:00

12

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IQAir AirVisual Air Quality Map Wind rotating 194 degree

3

km/h

Humidity icon

55%

09:00

11

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

5

km/h

Humidity icon

47%

10:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 161 degree

6

km/h

Humidity icon

43%

11:00

10

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13°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

6

km/h

Humidity icon

38%

12:00

9

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 152 degree

4

km/h

Humidity icon

33%

13:00

8

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15°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

2

km/h

Humidity icon

30%

14:00

8

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16°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

4

km/h

Humidity icon

28%

15:00

7

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

4

km/h

Humidity icon

27%

16:00

7

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

3

km/h

Humidity icon

27%

17:00

7

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

3

km/h

Humidity icon

26%

18:00

6

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

2

km/h

Humidity icon

25%

19:00

6

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16°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

4

km/h

Humidity icon

27%

20:00

6

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15°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

5

km/h

Humidity icon

39%

21:00

9

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 25 degree

5

km/h

Humidity icon

44%

22:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 3 degree

5

km/h

Humidity icon

45%

23:00

9

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

4

km/h

Humidity icon

43%

Sat

00:00

15

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

4

km/h

Humidity icon

44%

01:00

15

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

5

km/h

Humidity icon

45%

02:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 288 degree

6

km/h

Humidity icon

47%

03:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 283 degree

6

km/h

Humidity icon

48%

04:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 285 degree

6

km/h

Humidity icon

49%

05:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

6

km/h

Humidity icon

50%

06:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 284 degree

6

km/h

Humidity icon

50%

07:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 275 degree

4

km/h

Humidity icon

53%

08:00

11

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

4

km/h

Humidity icon

45%

09:00

14

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

3

km/h

Humidity icon

38%

10:00

14

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16°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

4

km/h

Humidity icon

34%

11:00

14

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18°

IQAir AirVisual Air Quality Map Wind rotating 200 degree

6

km/h

Humidity icon

31%

12:00

14

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19°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

9

km/h

Humidity icon

26%

13:00

14

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20°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

12

km/h

Humidity icon

25%

14:00

14

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21°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

12

km/h

Humidity icon

24%

15:00

23

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

13

km/h

Humidity icon

23%

16:00

23

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

13

km/h

Humidity icon

24%

17:00

23

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

15

km/h

Humidity icon

24%

18:00

14

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

17

km/h

Humidity icon

24%

19:00

14

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

17

km/h

Humidity icon

24%

20:00

14

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

13

km/h

Humidity icon

26%

21:00

16

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

9

km/h

Humidity icon

27%

22:00

16

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

7

km/h

Humidity icon

29%

23:00

16

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15°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

8

km/h

Humidity icon

32%

Sun

00:00

18

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

7

km/h

Humidity icon

34%

01:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

8

km/h

Humidity icon

37%

02:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

7

km/h

Humidity icon

40%

03:00

17

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

5

km/h

Humidity icon

42%

04:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

3

km/h

Humidity icon

45%

05:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

2

km/h

Humidity icon

48%

06:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

1

km/h

Humidity icon

51%

07:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

5

km/h

Humidity icon

46%

08:00

17

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

3

km/h

Humidity icon

39%

09:00

17

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

6

km/h

Humidity icon

37%

10:00

17

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

12

km/h

Humidity icon

33%

11:00

17

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21°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

21

km/h

Humidity icon

26%

12:00

25

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

25

km/h

Humidity icon

21%

13:00

25

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

26

km/h

Humidity icon

20%

14:00

25

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

27

km/h

Humidity icon

18%

15:00

56

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

27

km/h

Humidity icon

17%

16:00

56

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

22

km/h

Humidity icon

17%

17:00

56

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

21

km/h

Humidity icon

17%

18:00

58

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

17

km/h

Humidity icon

18%

19:00

58

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

16

km/h

Humidity icon

23%

20:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

8

km/h

Humidity icon

32%

21:00

58

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 336 degree

10

km/h

Humidity icon

34%

22:00

58

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

10

km/h

Humidity icon

34%

23:00

58

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

5

km/h

Humidity icon

35%

Mon

00:00

58

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

6

km/h

Humidity icon

34%

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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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

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

18

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Maricopa County, Arizona

79

2
The national flag of USA

Albany, Georgia

71

3
The national flag of USA

Aliso Viejo, California

71

4
The national flag of USA

Jurupa Valley, California

71

5
The national flag of USA

Laytonville, California

66

6
The national flag of USA

Arnold, California

65

7
The national flag of USA

Florence-Graham, California

65

8
The national flag of USA

Corona, California

64

9
The national flag of USA

Signal Hill, California

64

10
The national flag of USA

Huntington Park, California

63

History

Historic air quality graph for Boulder

18 AQI⁺ US
Good
00:00–01:00 May 22 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

18 AQI⁺ US
Good
00:00–01:00 May 22 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

18

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Maricopa County, Arizona

79

2
The national flag of USA

Albany, Georgia

71

3
The national flag of USA

Aliso Viejo, California

71

4
The national flag of USA

Jurupa Valley, California

71

5
The national flag of USA

Laytonville, California

66

6
The national flag of USA

Arnold, California

65

7
The national flag of USA

Florence-Graham, California

65

8
The national flag of USA

Corona, California

64

9
The national flag of USA

Signal Hill, California

64

10
The national flag of USA

Huntington Park, California

63

Measure your own air quality

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

Where is the cleanest air quality in Boulder?