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Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 481 Followers • 12:00, Nov 11 Local time

23

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

4.3 µg/m³

weather condition icon

15°

wind direction icon

10 km/h

weather humid icon

39 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

23

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

10

km/h

Humidity icon

39%

13:00

22

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

10

km/h

Humidity icon

37%

14:00

20

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

9

km/h

Humidity icon

37%

15:00

19

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

8

km/h

Humidity icon

40%

16:00

18

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

8

km/h

Humidity icon

47%

17:00

16

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

8

km/h

Humidity icon

54%

18:00

15

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

8

km/h

Humidity icon

56%

19:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

8

km/h

Humidity icon

54%

20:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

9

km/h

Humidity icon

53%

21:00

12

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

9

km/h

Humidity icon

55%

22:00

11

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

8

km/h

Humidity icon

57%

23:00

8

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

8

km/h

Humidity icon

58%

Thu

00:00

7

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

8

km/h

Humidity icon

60%

01:00

7

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

8

km/h

Humidity icon

61%

02:00

7

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

8

km/h

Humidity icon

62%

03:00

7

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

8

km/h

Humidity icon

62%

04:00

7

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

7

km/h

Humidity icon

62%

05:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

7

km/h

Humidity icon

60%

06:00

8

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

7

km/h

Humidity icon

59%

07:00

8

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

7

km/h

Humidity icon

59%

08:00

12

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

7

km/h

Humidity icon

56%

09:00

12

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

6

km/h

Humidity icon

48%

10:00

12

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

6

km/h

Humidity icon

39%

11:00

15

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

8

km/h

Humidity icon

33%

12:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

8

km/h

Humidity icon

29%

13:00

15

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

8

km/h

Humidity icon

26%

14:00

14

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

9

km/h

Humidity icon

26%

15:00

14

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

9

km/h

Humidity icon

27%

16:00

14

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

7

km/h

Humidity icon

35%

17:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

5

km/h

Humidity icon

43%

18:00

8

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

6

km/h

Humidity icon

43%

19:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

6

km/h

Humidity icon

40%

20:00

7

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

6

km/h

Humidity icon

39%

21:00

7

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

7

km/h

Humidity icon

41%

22:00

7

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

8

km/h

Humidity icon

44%

23:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

8

km/h

Humidity icon

46%

Fri

00:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

8

km/h

Humidity icon

46%

01:00

8

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

8

km/h

Humidity icon

46%

02:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

7

km/h

Humidity icon

46%

03:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

7

km/h

Humidity icon

45%

04:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

7

km/h

Humidity icon

45%

05:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

7

km/h

Humidity icon

45%

06:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

8

km/h

Humidity icon

47%

07:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

7

km/h

Humidity icon

48%

08:00

8

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

8

km/h

Humidity icon

47%

09:00

8

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 198 degree

7

km/h

Humidity icon

42%

10:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

8

km/h

Humidity icon

36%

11:00

6

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

10

km/h

Humidity icon

31%

12:00

6

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

11

km/h

Humidity icon

30%

13:00

6

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

12

km/h

Humidity icon

29%

14:00

7

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

12

km/h

Humidity icon

29%

15:00

7

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

9

km/h

Humidity icon

31%

16:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

7

km/h

Humidity icon

39%

17:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

6

km/h

Humidity icon

47%

18:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

6

km/h

Humidity icon

49%

19:00

6

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

7

km/h

Humidity icon

50%

20:00

7

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

7

km/h

Humidity icon

49%

21:00

7

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

8

km/h

Humidity icon

49%

22:00

7

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

8

km/h

Humidity icon

51%

23:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

8

km/h

Humidity icon

56%

Sat

00:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

8

km/h

Humidity icon

58%

01:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

8

km/h

Humidity icon

57%

02:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

7

km/h

Humidity icon

59%

03:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

6

km/h

Humidity icon

60%

04:00

7

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

6

km/h

Humidity icon

60%

05:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 192 degree

6

km/h

Humidity icon

61%

06:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

6

km/h

Humidity icon

62%

07:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 189 degree

5

km/h

Humidity icon

65%

08:00

6

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

6

km/h

Humidity icon

66%

09:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

7

km/h

Humidity icon

60%

10:00

6

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

10

km/h

Humidity icon

54%

11:00

6

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 195 degree

14

km/h

Humidity icon

53%

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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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

100-198 E 4th Ave

27

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Franklin, Merced County, California

135

2
The national flag of USA

Graeagle, California

128

3
The national flag of USA

Delano, California

111

4
The national flag of USA

Pixley, California

111

5
The national flag of USA

Matheny, California

106

6
The national flag of USA

Shasta Lake, California

97

7
The national flag of USA

Kettleman City, California

93

8
The national flag of USA

Fresno, California

91

9
The national flag of USA

Modesto, California

90

10
The national flag of USA

Stanislaus, California

88

History

Historic air quality graph for Boulder

23 AQI⁺ US
Good
11:00–12:00 Nov 11 Local time
AQI⁺ US

History

Historic air quality graph for Boulder

23 AQI⁺ US
Good
11:00–12:00 Nov 11 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

27

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Franklin, Merced County, California

135

2
The national flag of USA

Graeagle, California

128

3
The national flag of USA

Delano, California

111

4
The national flag of USA

Pixley, California

111

5
The national flag of USA

Matheny, California

106

6
The national flag of USA

Shasta Lake, California

97

7
The national flag of USA

Kettleman City, California

93

8
The national flag of USA

Fresno, California

91

9
The national flag of USA

Modesto, California

90

10
The national flag of USA

Stanislaus, California

88

Measure your own air quality

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

Where is the cleanest air quality in Boulder?