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Air quality near 18th Street, Boulder

Air quality index (AQI⁺) and PM2.5 air pollution near 18th Street, Boulder • 245 Followers • 10:00, Jun 12 Local time

Data source: PurpleAir

Milliken AQI Alert nearby

View alert

US AQI⁺

Good

Main pollutant:

PM2.5

4.3 µg/m³

20°

3 km/h

24 %

Data source: PurpleAir

Hourly forecast

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

Now

20°

km/h

24%

11:00

23°

km/h

19%

12:00

25°

km/h

16%

13:00

28°

km/h

14%

14:00

30°

km/h

11%

15:00

31°

km/h

10%

16:00

31°

km/h

17:00

31°

km/h

10%

18:00

30°

km/h

11%

19:00

30°

km/h

20:00

24°

km/h

13%

21:00

20°

km/h

21%

22:00

20°

km/h

19%

23:00

19°

km/h

21%

Sat

00:00

18°

km/h

22%

01:00

18°

km/h

22%

02:00

17°

km/h

22%

03:00

17°

km/h

23%

04:00

16°

km/h

24%

05:00

14°

km/h

24%

06:00

11°

km/h

47%

07:00

13°

km/h

44%

08:00

15°

km/h

37%

09:00

17°

km/h

32%

10:00

19°

km/h

28%

11:00

21°

km/h

24%

12:00

23°

km/h

21%

13:00

24°

km/h

19%

14:00

25°

km/h

17%

15:00

26°

km/h

18%

16:00

25°

km/h

22%

17:00

24°

km/h

23%

18:00

23°

km/h

26%

19:00

19°

km/h

37%

20:00

16°

km/h

43%

21:00

15°

km/h

45%

22:00

12°

km/h

52%

23:00

11°

km/h

58%

Sun

00:00

10°

km/h

62%

01:00

10°

km/h

63%

02:00

12°

km/h

57%

03:00

12°

km/h

58%

04:00

11°

km/h

59%

05:00

11°

km/h

60%

06:00

11°

km/h

60%

07:00

11°

km/h

61%

08:00

11°

km/h

60%

09:00

12°

km/h

57%

10:00

13°

km/h

52%

11:00

14°

km/h

47%

12:00

17°

km/h

44%

13:00

18°

km/h

42%

14:00

19°

km/h

39%

15:00

20°

km/h

35%

16:00

20°

km/h

37%

17:00

19°

km/h

42%

18:00

17°

km/h

42%

19:00

16°

km/h

43%

20:00

15°

km/h

48%

21:00

14°

km/h

50%

22:00

13°

km/h

50%

23:00

13°

km/h

51%

Mon

00:00

11°

km/h

58%

01:00

10°

km/h

64%

02:00

9°

km/h

71%

03:00

9°

km/h

72%

04:00

9°

km/h

74%

05:00

9°

km/h

75%

06:00

9°

km/h

69%

07:00

13°

km/h

57%

08:00

15°

km/h

50%

09:00

17°

km/h

43%

Daily forecast

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

Today

31°

12°

km/h

19%

Sat

26°

11°

km/h

31%

Sun

20°

11°

km/h

48%

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

Get a monitor

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

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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

24 AQI⁺ US

Good

09:00–10:00 Jun 12 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	34
2	Aztec Central	34
3	Boulder Reservoir	26
4	10th Street	25
5	Bean Mountain Lane	25
6	18th Street	24
7	285 Vail Cir	24
8	Boulder - CU - 2102 Athens St.	23
9	1491 High St	21
10	717 Evergreen Boulder	21

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	St. George, Utah	173
2	Avenal, California	148
3	Pinal County, Arizona	89
4	San Bernardino County, California	88
5	Grand County, Colorado	81
6	San Juan, Utah	81
7	York County, Virginia	80
8	Rockport, Massachusetts	78
9	Rancho Palos Verdes, California	77
10	Signal Hill, California	77