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Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 160 Followers • 00:00, Nov 12 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

3.8 µg/m³

9°

12 km/h

37 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

9°

km/h

37%

01:00

8°

km/h

37%

02:00

8°

km/h

38%

03:00

8°

km/h

38%

04:00

8°

km/h

38%

05:00

8°

km/h

37%

06:00

8°

km/h

37%

07:00

8°

km/h

36%

08:00

12°

km/h

30%

09:00

16°

km/h

23%

10:00

17°

km/h

20%

11:00

18°

km/h

19%

12:00

19°

km/h

19%

13:00

19°

km/h

19%

14:00

19°

km/h

19%

15:00

18°

km/h

19%

16:00

16°

km/h

29%

17:00

11°

km/h

46%

18:00

11°

km/h

32%

19:00

11°

km/h

33%

20:00

10°

km/h

32%

21:00

10°

km/h

31%

22:00

10°

km/h

30%

23:00

10°

km/h

27%

Fri

00:00

9°

km/h

27%

01:00

8°

km/h

26%

02:00

8°

km/h

26%

03:00

8°

km/h

25%

04:00

7°

km/h

25%

05:00

7°

km/h

25%

06:00

7°

km/h

26%

07:00

7°

km/h

27%

08:00

11°

km/h

24%

09:00

14°

km/h

18%

10:00

15°

km/h

17%

11:00

16°

km/h

16%

12:00

17°

km/h

16%

13:00

17°

km/h

16%

14:00

17°

km/h

16%

15:00

17°

km/h

17%

16:00

13°

km/h

28%

17:00

9°

km/h

30%

18:00

10°

km/h

29%

19:00

9°

km/h

30%

20:00

9°

km/h

30%

21:00

9°

km/h

30%

22:00

8°

km/h

31%

23:00

8°

km/h

33%

Sat

00:00

7°

km/h

36%

01:00

6°

km/h

39%

02:00

5°

km/h

55%

03:00

4°

km/h

59%

04:00

4°

km/h

61%

05:00

4°

km/h

64%

06:00

3°

km/h

67%

07:00

4°

km/h

60%

08:00

8°

km/h

46%

09:00

10°

km/h

38%

10:00

11°

km/h

37%

11:00

12°

km/h

39%

12:00

13°

km/h

37%

13:00

13°

km/h

34%

14:00

13°

km/h

32%

15:00

13°

km/h

32%

16:00

12°

km/h

39%

17:00

8°

km/h

61%

18:00

9°

km/h

51%

19:00

8°

km/h

60%

20:00

7°

km/h

67%

21:00

7°

km/h

60%

22:00

7°

km/h

57%

23:00

6°

km/h

65%

Daily forecast

Boulder air quality index (AQI⁺) forecast

Today

19°

8°

km/h

28%

Fri

17°

7°

km/h

24%

Sat

13°

3°

km/h

48%

Air pollutants

What is the current air quality in Boulder?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Real-time Boulder 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

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

Pollen

What is the pollen count in Boulder today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in Boulder

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Boulder air pollution map

Pollen

What is the pollen count in Boulder today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in Boulder

Protect yourself from air pollution in Boulder

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

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder

#	Stations	AQI⁺ US
1	10th Street	39
2	700 Utica Ave	26
3	2055-1901 Kalmia Ave	23
4	285 Vail Cir	23
5	Boulder - CU - 2102 Athens St.	22
6	4792-4766 Kellogg Cir	21
7	1066 Berea Dr	20
8	Bean Mountain Lane	20
9	717 Evergreen Boulder	17
10	650 S 40th St	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Bonney Lake, Washington	144
2	Pixley, California	142
3	Altamont, Oregon	119
4	Keyes, California	114
5	Matheny, California	112
6	Delano, California	111
7	Franklin, Merced County, California	110
8	Fruitridge Pocket, California	109
9	Calexico, California	108
10	Polk County, Oregon	104

History

Historic air quality graph for Boulder

21 AQI⁺ US

Good

23:00–00:00 Nov 11 Local time

AQI⁺ US

History

Historic air quality graph for Boulder

21 AQI⁺ US

Good

23:00–00:00 Nov 11 Local time

AQI⁺ US

Most polluted locations near Boulder

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Boulder

#	Stations	AQI⁺ US
1	10th Street	39
2	700 Utica Ave	26
3	2055-1901 Kalmia Ave	23
4	285 Vail Cir	23
5	Boulder - CU - 2102 Athens St.	22
6	4792-4766 Kellogg Cir	21
7	1066 Berea Dr	20
8	Bean Mountain Lane	20
9	717 Evergreen Boulder	17
10	650 S 40th St	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Bonney Lake, Washington	144
2	Pixley, California	142
3	Altamont, Oregon	119
4	Keyes, California	114
5	Matheny, California	112
6	Delano, California	111
7	Franklin, Merced County, California	110
8	Fruitridge Pocket, California	109
9	Calexico, California	108
10	Polk County, Oregon	104