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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 168.6K Followers • 12:00, Sep 24 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

2.8 µg/m³

13°

9 km/h

70 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

13°

km/h

70%

13:00

80%

13°

km/h

72%

14:00

80%

12°

km/h

84%

15:00

15°

km/h

59%

16:00

15°

km/h

54%

17:00

15°

km/h

53%

18:00

14°

km/h

58%

19:00

80%

12°

km/h

75%

20:00

90%

11°

km/h

86%

21:00

80%

10°

km/h

92%

22:00

11°

km/h

89%

23:00

11°

km/h

89%

Fri

00:00

70%

10°

km/h

90%

01:00

10°

km/h

90%

02:00

70%

10°

km/h

90%

03:00

10°

km/h

88%

04:00

10°

km/h

87%

05:00

9°

km/h

89%

06:00

9°

km/h

97%

07:00

9°

km/h

96%

08:00

80%

9°

km/h

99%

09:00

80%

9°

km/h

99%

10:00

10°

km/h

99%

11:00

70%

10°

km/h

99%

12:00

11°

km/h

98%

13:00

12°

km/h

98%

14:00

13°

km/h

91%

15:00

13°

km/h

90%

16:00

13°

km/h

88%

17:00

13°

km/h

91%

18:00

14°

km/h

78%

19:00

14°

km/h

76%

20:00

13°

km/h

66%

21:00

13°

km/h

66%

22:00

13°

km/h

59%

23:00

12°

km/h

57%

Sat

00:00

12°

km/h

60%

01:00

12°

km/h

58%

02:00

12°

km/h

56%

03:00

11°

km/h

53%

04:00

11°

km/h

59%

05:00

11°

km/h

62%

06:00

11°

km/h

59%

07:00

11°

km/h

60%

08:00

12°

km/h

60%

09:00

13°

km/h

54%

10:00

15°

km/h

48%

11:00

17°

km/h

41%

12:00

18°

km/h

36%

13:00

19°

km/h

26%

14:00

19°

km/h

24%

15:00

20°

km/h

24%

16:00

20°

km/h

25%

17:00

19°

km/h

27%

18:00

18°

km/h

31%

19:00

14°

km/h

33%

20:00

13°

km/h

35%

21:00

13°

km/h

37%

22:00

12°

km/h

39%

23:00

12°

km/h

39%

Sun

00:00

12°

km/h

38%

01:00

12°

km/h

38%

02:00

12°

km/h

40%

03:00

12°

km/h

40%

04:00

11°

km/h

42%

05:00

11°

km/h

44%

06:00

11°

km/h

44%

07:00

11°

km/h

45%

08:00

13°

km/h

42%

09:00

17°

km/h

32%

10:00

18°

km/h

28%

11:00

19°

km/h

27%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

90%

15°

10°

km/h

72%

Fri

14°

9°

km/h

88%

Sat

20°

11°

km/h

39%

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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Powerful, stylish air purifiers

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Pollen

What is the pollen count in Boulder County today?

Index

Moderate

Tree

None

Grass

None

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

None

Grass

None

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	Snead Court	14
2	161 Swallow Ln	13
3	Golden Eagle Lode	13
4	Rozena Drive	11
5	47th Street	9
6	Walker Ranch, Pine Needle Notch	9
7	Eagle Court	6
8	Rabbit Mountain Equestrian Center	6
9	818 Co Rd 116	1
10	Parkdale Area	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	El Portal, California	114
2	Fresno County, California	103
3	Ontario, California	92
4	Orange, California	91
5	South Pasadena, California	90
6	San Marino, California	86
7	June Lake, California	84
8	Glendora, California	82
9	San Luis Obispo County, California	81
10	Burbank, Los Angeles County, California	80

History

Historic air quality graph for Boulder County

16 AQI⁺ US

Good

11:00–12:00 Sep 24 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

16 AQI⁺ US

Good

11:00–12:00 Sep 24 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	14
2	161 Swallow Ln	13
3	Golden Eagle Lode	13
4	Rozena Drive	11
5	47th Street	9
6	Walker Ranch, Pine Needle Notch	9
7	Eagle Court	6
8	Rabbit Mountain Equestrian Center	6
9	818 Co Rd 116	1
10	Parkdale Area	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	El Portal, California	114
2	Fresno County, California	103
3	Ontario, California	92
4	Orange, California	91
5	South Pasadena, California	90
6	San Marino, California	86
7	June Lake, California	84
8	Glendora, California	82
9	San Luis Obispo County, California	81
10	Burbank, Los Angeles County, California	80