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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 169.6K Followers • 09:00, Oct 27 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

7.8 µg/m³

5°

3 km/h

58 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

5°

km/h

58%

10:00

6°

km/h

69%

11:00

7°

km/h

62%

12:00

9°

km/h

53%

13:00

10°

km/h

49%

14:00

11°

km/h

48%

15:00

11°

km/h

48%

16:00

11°

km/h

52%

17:00

10°

km/h

58%

18:00

8°

km/h

58%

19:00

8°

km/h

60%

20:00

8°

km/h

56%

21:00

7°

km/h

47%

22:00

7°

km/h

42%

23:00

6°

km/h

47%

Wed

00:00

6°

km/h

49%

01:00

5°

km/h

52%

02:00

5°

km/h

56%

03:00

4°

km/h

55%

04:00

5°

km/h

42%

05:00

5°

km/h

45%

06:00

5°

km/h

53%

07:00

5°

km/h

56%

08:00

5°

km/h

54%

09:00

6°

km/h

54%

10:00

8°

km/h

52%

11:00

9°

km/h

47%

12:00

10°

km/h

43%

13:00

11°

km/h

33%

14:00

12°

km/h

29%

15:00

12°

km/h

27%

16:00

12°

km/h

26%

17:00

11°

km/h

29%

18:00

9°

km/h

35%

19:00

9°

km/h

36%

20:00

8°

km/h

36%

21:00

8°

km/h

37%

22:00

7°

km/h

38%

23:00

6°

km/h

35%

Thu

00:00

6°

km/h

29%

01:00

6°

km/h

25%

02:00

6°

km/h

28%

03:00

6°

km/h

32%

04:00

5°

km/h

35%

05:00

5°

km/h

37%

06:00

5°

km/h

35%

07:00

2°

km/h

32%

08:00

3°

km/h

29%

09:00

6°

km/h

23%

10:00

8°

km/h

20%

11:00

10°

km/h

19%

12:00

10°

km/h

20%

13:00

11°

km/h

21%

14:00

11°

km/h

22%

15:00

11°

km/h

24%

16:00

10°

km/h

25%

17:00

9°

km/h

28%

18:00

4°

km/h

43%

19:00

4°

km/h

39%

20:00

4°

km/h

38%

21:00

4°

km/h

36%

22:00

4°

km/h

34%

23:00

4°

km/h

32%

Fri

00:00

4°

km/h

31%

01:00

4°

km/h

30%

02:00

4°

km/h

30%

03:00

4°

km/h

31%

04:00

4°

km/h

31%

05:00

4°

km/h

32%

06:00

3°

km/h

32%

07:00

3°

km/h

33%

08:00

5°

km/h

31%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

11°

5°

km/h

55%

Wed

12°

5°

km/h

40%

Thu

11°

2°

km/h

29%

Air pollutants

What is the current air quality in Boulder County?

PM2.5 concentration is currently 1.6 times the World Health Organization annual PM2.5 guideline value.

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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Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

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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

None

Grass

None

Weed

Low

25%

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

None

Grass

None

Weed

Low

25%

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	Parkdale Area	76
2	161 Swallow Ln	56
3	Snead Court	56
4	47th Street	53
5	Rabbit Mountain Equestrian Center	46
6	Rozena Drive	45
7	Eagle Court	41
8	Marshall	27
9	Golden Eagle Lode	19
10	818 Co Rd 116	16

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Sedona, Arizona	153
2	Flagstaff, Arizona	151
3	Shaver Lake, California	132
4	Clairton, Pennsylvania	119
5	Laytonville, California	118
6	Sparta, Ohio	102
7	Joliet, Illinois	93
8	Romeoville, Illinois	92
9	Aliquippa, Pennsylvania	90
10	Delano, California	90

History

Historic air quality graph for Boulder County

43 AQI⁺ US

Good

08:00–09:00 Oct 27 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

43 AQI⁺ US

Good

08:00–09:00 Oct 27 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	Parkdale Area	76
2	161 Swallow Ln	56
3	Snead Court	56
4	47th Street	53
5	Rabbit Mountain Equestrian Center	46
6	Rozena Drive	45
7	Eagle Court	41
8	Marshall	27
9	Golden Eagle Lode	19
10	818 Co Rd 116	16

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Sedona, Arizona	153
2	Flagstaff, Arizona	151
3	Shaver Lake, California	132
4	Clairton, Pennsylvania	119
5	Laytonville, California	118
6	Sparta, Ohio	102
7	Joliet, Illinois	93
8	Romeoville, Illinois	92
9	Aliquippa, Pennsylvania	90
10	Delano, California	90