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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 170K Followers • 02:00, Nov 09 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

3.4 µg/m³

4°

17 km/h

39 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

4°

km/h

39%

03:00

4°

km/h

39%

04:00

4°

km/h

37%

05:00

4°

km/h

35%

06:00

4°

km/h

34%

07:00

4°

km/h

32%

08:00

8°

km/h

27%

09:00

12°

km/h

19%

10:00

13°

km/h

17%

11:00

14°

km/h

17%

12:00

15°

km/h

17%

13:00

15°

km/h

18%

14:00

14°

km/h

18%

15:00

13°

km/h

18%

16:00

11°

km/h

24%

17:00

7°

km/h

28%

18:00

6°

km/h

30%

19:00

5°

km/h

31%

20:00

5°

km/h

31%

21:00

5°

km/h

30%

22:00

5°

km/h

29%

23:00

5°

km/h

29%

Tue

00:00

4°

km/h

30%

01:00

4°

km/h

31%

02:00

4°

km/h

33%

03:00

4°

km/h

34%

04:00

3°

km/h

34%

05:00

3°

km/h

34%

06:00

3°

km/h

34%

07:00

3°

km/h

33%

08:00

6°

km/h

29%

09:00

10°

km/h

23%

10:00

12°

km/h

18%

11:00

12°

km/h

17%

12:00

13°

km/h

17%

13:00

13°

km/h

18%

14:00

13°

km/h

17%

15:00

12°

km/h

16%

16:00

10°

km/h

17%

17:00

7°

km/h

23%

18:00

5°

km/h

28%

19:00

4°

km/h

29%

20:00

3°

km/h

35%

21:00

3°

km/h

39%

22:00

2°

km/h

41%

23:00

2°

km/h

43%

Wed

00:00

2°

km/h

45%

01:00

1°

km/h

46%

02:00

1°

km/h

47%

03:00

1°

km/h

47%

04:00

0°

km/h

47%

05:00

0°

km/h

48%

06:00

0°

km/h

49%

07:00

0°

km/h

48%

08:00

4°

km/h

37%

09:00

8°

km/h

25%

10:00

10°

km/h

20%

11:00

12°

km/h

17%

12:00

13°

km/h

17%

13:00

13°

km/h

18%

14:00

13°

km/h

18%

15:00

12°

km/h

19%

16:00

9°

km/h

25%

17:00

6°

km/h

30%

18:00

4°

km/h

36%

19:00

4°

km/h

36%

20:00

4°

km/h

37%

21:00

3°

km/h

38%

22:00

3°

km/h

38%

23:00

3°

km/h

39%

Thu

00:00

3°

km/h

39%

01:00

3°

km/h

40%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

15°

4°

km/h

25%

Tue

13°

2°

km/h

26%

Wed

13°

0°

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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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

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	161 Swallow Ln	39
2	Golden Eagle Lode	22
3	818 Co Rd 116	21
4	Snead Court	19
5	47th Street	16
6	Eagle Court	10
7	Rabbit Mountain Equestrian Center	6
8	Rozena Drive	6
9	Parkdale Area	4
10	Marshall	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Inchelium, Washington	154
2	Pixley, California	132
3	Manteca, California	120
4	Delano, California	116
5	Lodi, California	108
6	Keyes, California	102
7	Laytonville, California	102
8	Bakersfield, California	101
9	Milpitas, California	97
10	Stockton, California	94

History

Historic air quality graph for Boulder County

19 AQI⁺ US

Good

01:00–02:00 Nov 09 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

19 AQI⁺ US

Good

01:00–02:00 Nov 09 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	161 Swallow Ln	39
2	Golden Eagle Lode	22
3	818 Co Rd 116	21
4	Snead Court	19
5	47th Street	16
6	Eagle Court	10
7	Rabbit Mountain Equestrian Center	6
8	Rozena Drive	6
9	Parkdale Area	4
10	Marshall	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Inchelium, Washington	154
2	Pixley, California	132
3	Manteca, California	120
4	Delano, California	116
5	Lodi, California	108
6	Keyes, California	102
7	Laytonville, California	102
8	Bakersfield, California	101
9	Milpitas, California	97
10	Stockton, California	94