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Air quality near 18th Street, Boulder

Air quality index (AQI⁺) and PM2.5 air pollution near 18th Street, Boulder • 248 Followers • 05:00, Jun 13 Local time

Data source: PurpleAir

Milliken AQI Alert nearby

View alert

US AQI⁺

Good

Main pollutant:

PM2.5

4.1 µg/m³

19°

14 km/h

23 %

Data source: PurpleAir

Hourly forecast

18th Street, Boulder air quality index (AQI⁺) forecast

Now

19°

km/h

23%

07:00

19°

km/h

26%

08:00

16°

km/h

38%

09:00

18°

km/h

37%

10:00

20°

km/h

34%

11:00

22°

km/h

32%

12:00

23°

km/h

31%

13:00

25°

km/h

29%

14:00

26°

km/h

27%

15:00

27°

km/h

25%

16:00

28°

km/h

24%

17:00

26°

km/h

24%

18:00

20°

km/h

55%

19:00

19°

km/h

44%

20:00

18°

km/h

46%

21:00

16°

km/h

51%

22:00

15°

km/h

54%

23:00

14°

km/h

56%

Sun

00:00

13°

km/h

59%

01:00

13°

km/h

58%

02:00

12°

km/h

63%

03:00

90%

11°

km/h

80%

04:00

90%

10°

km/h

84%

05:00

90%

10°

km/h

90%

06:00

90%

9°

km/h

92%

07:00

9°

km/h

91%

08:00

90%

9°

km/h

91%

09:00

90%

9°

km/h

91%

10:00

9°

km/h

91%

11:00

90%

10°

km/h

90%

12:00

90%

10°

km/h

87%

13:00

12°

km/h

77%

14:00

90%

13°

km/h

70%

15:00

90%

13°

km/h

70%

16:00

12°

km/h

77%

17:00

90%

12°

km/h

82%

18:00

12°

km/h

73%

19:00

12°

km/h

80%

20:00

90%

10°

km/h

88%

21:00

90%

11°

km/h

84%

22:00

11°

km/h

78%

23:00

11°

km/h

81%

Mon

00:00

11°

km/h

79%

01:00

11°

km/h

77%

02:00

11°

km/h

86%

03:00

12°

km/h

80%

04:00

11°

km/h

84%

05:00

11°

km/h

88%

06:00

11°

km/h

80%

07:00

12°

km/h

69%

08:00

14°

km/h

58%

09:00

16°

km/h

49%

10:00

18°

km/h

39%

11:00

21°

km/h

32%

12:00

22°

km/h

28%

13:00

24°

km/h

25%

14:00

25°

km/h

23%

15:00

26°

km/h

21%

16:00

27°

km/h

20%

17:00

27°

km/h

20%

18:00

26°

km/h

20%

19:00

25°

km/h

22%

20:00

21°

km/h

26%

21:00

17°

km/h

35%

22:00

18°

km/h

36%

23:00

18°

km/h

36%

Tue

00:00

17°

km/h

37%

01:00

16°

km/h

38%

02:00

15°

km/h

33%

03:00

15°

km/h

30%

04:00

14°

km/h

32%

05:00

14°

km/h

34%

Daily forecast

18th Street, Boulder air quality index (AQI⁺) forecast

Today

28°

15°

km/h

35%

Sun

90%

13°

9°

km/h

83%

Mon

27°

11°

km/h

35%

Air pollutants

What is the current air quality near 18th Street?

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

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

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Real-time 18th Street, Boulder air pollution map

Pollen

What is the pollen count in 18th Street today?

Index

Moderate

Tree

Low

25%

Grass

Moderate

50%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in 18th Street today?

Index

Moderate

Tree

Low

25%

Grass

Moderate

50%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for 18th Street

23 AQI⁺ US

Good

04:00–05:00 Jun 13 Local time

AQI⁺ US

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Most polluted locations near 18th Street, Boulder

Worldwide AQI⁺ ranking

Station ranking

Real-time 18th Street AQI⁺ station ranking

#	Stations	AQI⁺ US
1	1066 Berea Dr	41
2	1491 High St	27
3	717 Evergreen Boulder	27
4	10th Street	26
5	Bean Mountain Lane	26
6	Boulder Reservoir	25
7	18th Street	23
8	650 S 40th St	23
9	285 Vail Cir	20
10	Boulder - CU - 2102 Athens St.	14

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Richland County, South Carolina	183
2	Inyo County, California	78
3	Tulare County, California	78
4	Whiting, Indiana	76
5	East Los Angeles, California	69
6	Pahrump, Nevada	69
7	Florence-Graham, California	67
8	Aiken, South Carolina	66
9	Mariposa County, California	66
10	Crestline, California	65