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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 166.4K Followers • 15:00, Jul 26 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

5 µg/m³

28°

11 km/h

28 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

28°

km/h

28%

17:00

29°

km/h

26%

18:00

28°

km/h

24%

19:00

28°

km/h

25%

20:00

27°

km/h

28%

21:00

25°

km/h

34%

22:00

23°

km/h

41%

23:00

22°

km/h

42%

Mon

00:00

22°

km/h

39%

01:00

22°

km/h

37%

02:00

22°

km/h

37%

03:00

22°

km/h

39%

04:00

22°

km/h

38%

05:00

21°

km/h

40%

06:00

20°

km/h

44%

07:00

20°

km/h

46%

08:00

90%

20°

km/h

52%

09:00

90%

19°

km/h

61%

10:00

23°

km/h

52%

11:00

24°

km/h

44%

12:00

25°

km/h

38%

13:00

27°

km/h

36%

14:00

27°

km/h

35%

15:00

27°

km/h

36%

16:00

27°

km/h

36%

17:00

26°

km/h

37%

18:00

90%

19°

km/h

73%

19:00

21°

km/h

58%

20:00

18°

km/h

74%

21:00

16°

km/h

85%

22:00

17°

km/h

85%

23:00

17°

km/h

80%

Tue

00:00

17°

km/h

82%

01:00

17°

km/h

77%

02:00

18°

km/h

65%

03:00

18°

km/h

61%

04:00

18°

km/h

57%

05:00

18°

km/h

55%

06:00

17°

km/h

56%

07:00

17°

km/h

61%

08:00

18°

km/h

67%

09:00

19°

km/h

72%

10:00

20°

km/h

69%

11:00

22°

km/h

61%

12:00

24°

km/h

55%

13:00

23°

km/h

55%

14:00

26°

km/h

46%

15:00

25°

km/h

46%

16:00

26°

km/h

44%

17:00

26°

km/h

43%

18:00

24°

km/h

42%

19:00

18°

km/h

72%

20:00

18°

km/h

72%

21:00

17°

km/h

76%

22:00

16°

km/h

75%

23:00

16°

km/h

71%

Wed

00:00

16°

km/h

70%

01:00

17°

km/h

68%

02:00

16°

km/h

71%

03:00

15°

km/h

72%

04:00

15°

km/h

69%

05:00

15°

km/h

68%

06:00

15°

km/h

65%

07:00

16°

km/h

59%

08:00

20°

km/h

45%

09:00

22°

km/h

42%

10:00

24°

km/h

40%

11:00

25°

km/h

40%

12:00

26°

km/h

37%

13:00

27°

km/h

32%

14:00

27°

km/h

31%

15:00

25°

km/h

31%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

29°

21°

km/h

33%

Mon

27°

16°

km/h

53%

Tue

26°

16°

km/h

59%

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

High

Tree

None

Grass

None

Weed

High

75%

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

High

Tree

None

Grass

None

Weed

High

75%

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	Snead Court	32
2	Walker Ranch, Pine Needle Notch	32
3	Golden Eagle Lode	31
4	161 Swallow Ln	27
5	818 Co Rd 116	27
6	47th Street	25
7	Rozena Drive	11
8	Rabbit Mountain Equestrian Center	6
9	Marshall	1
10	Parkdale Area	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Harney, Oregon	261
2	Nampa, Idaho	228
3	Burns, Oregon	223
4	Ada County, Idaho	220
5	Boise City, Idaho	216
6	St. Ignatius, Montana	170
7	Boise, Idaho	166
8	Lake County, Montana	166
9	Glacier County, Montana	164
10	Valley County, Idaho	161

History

Historic air quality graph for Boulder County

27 AQI⁺ US

Good

14:00–15:00 Jul 26 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

27 AQI⁺ US

Good

14:00–15:00 Jul 26 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	Snead Court	32
2	Walker Ranch, Pine Needle Notch	32
3	Golden Eagle Lode	31
4	161 Swallow Ln	27
5	818 Co Rd 116	27
6	47th Street	25
7	Rozena Drive	11
8	Rabbit Mountain Equestrian Center	6
9	Marshall	1
10	Parkdale Area	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Harney, Oregon	261
2	Nampa, Idaho	228
3	Burns, Oregon	223
4	Ada County, Idaho	220
5	Boise City, Idaho	216
6	St. Ignatius, Montana	170
7	Boise, Idaho	166
8	Lake County, Montana	166
9	Glacier County, Montana	164
10	Valley County, Idaho	161