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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 160.6K Followers • 17:00, Jun 02 Local time

Milliken AQI Alert nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

4.9 µg/m³

18°

15 km/h

43 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

18°

km/h

43%

18:00

13°

km/h

77%

19:00

15°

km/h

61%

20:00

16°

km/h

57%

21:00

15°

km/h

57%

22:00

14°

km/h

53%

23:00

14°

km/h

50%

Wed

00:00

14°

km/h

43%

01:00

13°

km/h

42%

02:00

14°

km/h

39%

03:00

13°

km/h

37%

04:00

13°

km/h

38%

05:00

13°

km/h

34%

06:00

13°

km/h

31%

07:00

14°

km/h

35%

08:00

15°

km/h

40%

09:00

16°

km/h

40%

10:00

17°

km/h

45%

11:00

18°

km/h

45%

12:00

18°

km/h

48%

13:00

17°

km/h

55%

14:00

20°

km/h

43%

15:00

18°

km/h

61%

16:00

90%

10°

km/h

82%

17:00

11°

km/h

81%

18:00

16°

km/h

59%

19:00

16°

km/h

55%

20:00

15°

km/h

58%

21:00

15°

km/h

48%

22:00

15°

km/h

45%

23:00

13°

km/h

51%

Thu

00:00

13°

km/h

41%

01:00

13°

km/h

24%

02:00

13°

km/h

23%

03:00

13°

km/h

30%

04:00

13°

km/h

26%

05:00

13°

km/h

22%

06:00

13°

km/h

20%

07:00

14°

km/h

25%

08:00

15°

km/h

50%

09:00

19°

km/h

31%

10:00

21°

km/h

24%

11:00

22°

km/h

21%

12:00

23°

km/h

22%

13:00

23°

km/h

20%

14:00

22°

km/h

25%

15:00

90%

18°

km/h

55%

16:00

22°

km/h

30%

17:00

21°

km/h

30%

18:00

21°

km/h

35%

19:00

20°

km/h

24%

20:00

17°

km/h

30%

21:00

15°

km/h

33%

22:00

13°

km/h

38%

23:00

12°

km/h

35%

Fri

00:00

12°

km/h

33%

01:00

11°

km/h

35%

02:00

11°

km/h

37%

03:00

10°

km/h

39%

04:00

9°

km/h

43%

05:00

9°

km/h

44%

06:00

9°

km/h

45%

07:00

12°

km/h

38%

08:00

16°

km/h

28%

09:00

18°

km/h

21%

10:00

20°

km/h

17%

11:00

22°

km/h

14%

12:00

22°

km/h

15%

13:00

23°

km/h

15%

14:00

24°

km/h

16%

15:00

24°

km/h

17%

16:00

24°

km/h

17%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

18°

9°

km/h

61%

Tue

20°

10°

km/h

51%

Wed

23°

13°

km/h

30%

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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Medical grade air purifiers

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Powerful, stylish air purifiers

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Pollen

What is the pollen count in Boulder County today?

Index

Moderate

Tree

Low

25%

Grass

Moderate

50%

Weed

Moderate

50%

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

Moderate

Tree

Low

25%

Grass

Moderate

50%

Weed

Moderate

50%

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	34
2	Snead Court	32
3	161 Swallow Ln	29
4	Golden Eagle Lode	27
5	Last Chance Court	27
6	Rozena Drive	22
7	47th Street	17
8	Parkdale Area	17
9	Marshall	15
10	Rabbit Mountain Equestrian Center	11

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Gardena, California	97
2	Glendora, California	72
3	Port Arthur, Texas	72
4	Jurupa Valley, California	71
5	Altadena, California	66
6	Angels, California	66
7	East Los Angeles, California	65
8	Stafford, Virginia	65
9	Crestline, California	64
10	La Crescenta-Montrose, California	64

History

Historic air quality graph for Boulder County

27 AQI⁺ US

Good

16:00–17:00 Jun 02 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

27 AQI⁺ US

Good

16:00–17:00 Jun 02 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	34
2	Snead Court	32
3	161 Swallow Ln	29
4	Golden Eagle Lode	27
5	Last Chance Court	27
6	Rozena Drive	22
7	47th Street	17
8	Parkdale Area	17
9	Marshall	15
10	Rabbit Mountain Equestrian Center	11

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Gardena, California	97
2	Glendora, California	72
3	Port Arthur, Texas	72
4	Jurupa Valley, California	71
5	Altadena, California	66
6	Angels, California	66
7	East Los Angeles, California	65
8	Stafford, Virginia	65
9	Crestline, California	64
10	La Crescenta-Montrose, California	64