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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 160.5K Followers • 17:00, May 29 Local time

Milliken AQI Alert nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

2.6 µg/m³

18°

18 km/h

37 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

18°

km/h

37%

18:00

90%

13°

km/h

61%

19:00

30%

13°

km/h

71%

20:00

12°

km/h

78%

21:00

11°

km/h

84%

22:00

90%

10°

km/h

93%

23:00

10°

km/h

85%

Sat

00:00

10°

km/h

91%

01:00

10°

km/h

75%

02:00

10°

km/h

59%

03:00

8°

km/h

56%

04:00

8°

km/h

57%

05:00

7°

km/h

58%

06:00

6°

km/h

60%

07:00

7°

km/h

56%

08:00

9°

km/h

48%

09:00

10°

km/h

42%

10:00

11°

km/h

30%

11:00

13°

km/h

28%

12:00

14°

km/h

26%

13:00

15°

km/h

24%

14:00

16°

km/h

27%

15:00

16°

km/h

27%

16:00

16°

km/h

25%

17:00

13°

km/h

38%

18:00

12°

km/h

47%

19:00

11°

km/h

48%

20:00

9°

km/h

53%

21:00

8°

km/h

50%

22:00

8°

km/h

49%

23:00

9°

km/h

48%

Sun

00:00

8°

km/h

51%

01:00

8°

km/h

48%

02:00

8°

km/h

53%

03:00

7°

km/h

57%

04:00

7°

km/h

57%

05:00

7°

km/h

57%

06:00

7°

km/h

59%

07:00

8°

km/h

57%

08:00

10°

km/h

53%

09:00

11°

km/h

51%

10:00

13°

km/h

43%

11:00

14°

km/h

38%

12:00

15°

km/h

32%

13:00

16°

km/h

31%

14:00

17°

km/h

29%

15:00

17°

km/h

35%

16:00

17°

km/h

32%

17:00

18°

km/h

24%

18:00

18°

km/h

25%

19:00

17°

km/h

25%

20:00

13°

km/h

32%

21:00

12°

km/h

35%

22:00

11°

km/h

36%

23:00

10°

km/h

38%

Mon

00:00

10°

km/h

37%

01:00

9°

km/h

39%

02:00

8°

km/h

42%

03:00

8°

km/h

42%

04:00

7°

km/h

43%

05:00

7°

km/h

49%

06:00

7°

km/h

47%

07:00

10°

km/h

39%

08:00

13°

km/h

31%

09:00

14°

km/h

29%

10:00

16°

km/h

27%

11:00

17°

km/h

24%

12:00

16°

km/h

27%

13:00

90%

15°

km/h

37%

14:00

90%

12°

km/h

67%

15:00

17°

km/h

33%

16:00

19°

km/h

26%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

19°

10°

km/h

54%

Fri

16°

6°

km/h

40%

Sat

18°

7°

km/h

37%

Air pollutants

What is the current air quality in Boulder County?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Real-time Boulder County air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in Boulder County

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Monitor the air you breathe

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AirVisual Series

Medical grade air purifiers

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Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

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Pollen

What is the pollen count in Boulder County today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast in Boulder County

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Boulder County air pollution map

Pollen

What is the pollen count in Boulder County today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

None

Source:

wetter.com

Pollen forecast in Boulder County

Protect yourself from air pollution in Boulder County

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 County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder County

#	Stations	AQI⁺ US
1	818 Co Rd 116	23
2	32-16 Flamingo Dr	17
3	5668-5698 Valmont Rd	17
4	47th Street	14
5	5699-5669 Valmont Rd	14
6	5875-5817 Valmont Rd	14
7	161 Swallow Ln	13
8	5555 Valmont Rd	13
9	5771-5701 Valmont Rd	13
10	5667-5557 Valmont Rd	9

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Harris, Texas	80
2	Avenal, California	76
3	Cook, Illinois	65
4	Calcasieu, Louisiana	62
5	Crow Wing County, Minnesota	62
6	Pine County, Minnesota	62
7	Chicago, Illinois	61
8	Fort Wayne, Indiana	60
9	Wilson County, Tennessee	60
10	Columbus, Ohio	59

History

Historic air quality graph for Boulder County

14 AQI⁺ US

Good

16:00–17:00 May 29 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

14 AQI⁺ US

Good

16:00–17:00 May 29 Local time

AQI⁺ US

Most polluted locations near Boulder County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder County

#	Stations	AQI⁺ US
1	818 Co Rd 116	23
2	32-16 Flamingo Dr	17
3	5668-5698 Valmont Rd	17
4	47th Street	14
5	5699-5669 Valmont Rd	14
6	5875-5817 Valmont Rd	14
7	161 Swallow Ln	13
8	5555 Valmont Rd	13
9	5771-5701 Valmont Rd	13
10	5667-5557 Valmont Rd	9

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Harris, Texas	80
2	Avenal, California	76
3	Cook, Illinois	65
4	Calcasieu, Louisiana	62
5	Crow Wing County, Minnesota	62
6	Pine County, Minnesota	62
7	Chicago, Illinois	61
8	Fort Wayne, Indiana	60
9	Wilson County, Tennessee	60
10	Columbus, Ohio	59