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Air quality in Boulder County

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 159.1K Followers • 14:00, Apr 23 Local time

Milliken AQI Alert nearby

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US AQI⁺

Good

Main pollutant:

O₃

100 µg/m³

8°

47 km/h

31 %

Hourly forecast

Boulder County air quality index (AQI⁺) forecast

Now

8°

km/h

31%

15:00

8°

km/h

32%

16:00

8°

km/h

33%

17:00

8°

km/h

37%

18:00

7°

km/h

35%

19:00

6°

km/h

36%

20:00

5°

km/h

43%

21:00

4°

km/h

45%

22:00

4°

km/h

41%

23:00

4°

km/h

36%

Fri

00:00

3°

km/h

47%

01:00

3°

km/h

47%

02:00

2°

km/h

47%

03:00

2°

km/h

48%

04:00

2°

km/h

44%

05:00

1°

km/h

46%

06:00

1°

km/h

42%

07:00

1°

km/h

37%

08:00

3°

km/h

30%

09:00

5°

km/h

24%

10:00

7°

km/h

25%

11:00

9°

km/h

23%

12:00

10°

km/h

21%

13:00

11°

km/h

18%

14:00

12°

km/h

14%

15:00

13°

km/h

12%

16:00

13°

km/h

13%

17:00

13°

km/h

11%

18:00

12°

km/h

11%

19:00

11°

km/h

14%

20:00

9°

km/h

15%

21:00

8°

km/h

16%

22:00

8°

km/h

16%

23:00

-1°

km/h

75%

Sat

00:00

-1°

km/h

84%

01:00

-2°

km/h

80%

02:00

-2°

km/h

79%

03:00

-3°

km/h

89%

04:00

-3°

km/h

94%

05:00

-3°

km/h

92%

06:00

-4°

km/h

95%

07:00

-3°

km/h

90%

08:00

-1°

km/h

74%

09:00

1°

km/h

62%

10:00

3°

km/h

56%

11:00

5°

km/h

48%

12:00

6°

km/h

47%

13:00

7°

km/h

46%

14:00

7°

km/h

45%

15:00

9°

km/h

44%

16:00

9°

km/h

42%

17:00

9°

km/h

43%

18:00

8°

km/h

47%

19:00

80%

1°

km/h

81%

20:00

0°

km/h

85%

21:00

0°

km/h

86%

22:00

-1°

km/h

88%

23:00

-1°

km/h

91%

Sun

00:00

-1°

km/h

89%

01:00

-2°

km/h

92%

02:00

-2°

km/h

92%

03:00

-3°

km/h

92%

04:00

-2°

km/h

91%

05:00

-2°

km/h

90%

06:00

-2°

km/h

92%

07:00

-2°

km/h

91%

08:00

-1°

km/h

86%

09:00

1°

km/h

79%

10:00

2°

km/h

75%

11:00

3°

km/h

74%

12:00

4°

km/h

65%

13:00

5°

km/h

58%

Daily forecast

Boulder County air quality index (AQI⁺) forecast

Today

8°

-1°

km/h

37%

Fri

13°

1°

km/h

20%

Sat

9°

-4°

km/h

64%

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

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Boulder County today?

Index

Moderate

Tree Moderate	50%
Grass None	0%
Weed None	0%

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 Moderate	50%
Grass None	0%
Weed None	0%

Source:

wetter.com

Pollen forecast in Boulder County

Protect yourself from air pollution in Boulder County

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

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	1066 Berea Dr	39
2	Aztec Central	34
3	1491 High St	28
4	16-7362 Crannell Dr	28
5	10th Street	27
6	161 Swallow Ln	27
7	285 Vail Cir	27
8	47th Street	27
9	2095 Eisenhower Drive	26
10	18th Street	24

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	313
2	Port Arthur, Texas	78
3	Manitowoc, Wisconsin	73
4	North Charleston, South Carolina	72
5	Sewanee, Tennessee	68
6	Albany, Georgia	67
7	Decatur, Georgia	67
8	East Point, Georgia	67
9	Rome, Georgia	66
10	Beltsville, Maryland	65

History

Historic air quality graph for Boulder County

27 AQI⁺ US

Good

13:00–14:00 Apr 23 Local time

AQI⁺ US

History

Historic air quality graph for Boulder County

27 AQI⁺ US

Good

13:00–14:00 Apr 23 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	1066 Berea Dr	39
2	Aztec Central	34
3	1491 High St	28
4	16-7362 Crannell Dr	28
5	10th Street	27
6	161 Swallow Ln	27
7	285 Vail Cir	27
8	47th Street	27
9	2095 Eisenhower Drive	26
10	18th Street	24

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	313
2	Port Arthur, Texas	78
3	Manitowoc, Wisconsin	73
4	North Charleston, South Carolina	72
5	Sewanee, Tennessee	68
6	Albany, Georgia	67
7	Decatur, Georgia	67
8	East Point, Georgia	67
9	Rome, Georgia	66
10	Beltsville, Maryland	65