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Air quality near 18th Street, Boulder

Air quality index (AQI⁺) and PM2.5 air pollution near 18th Street, Boulder • 242 Followers • 09:00, Jun 05 Local time

Data source: PurpleAir

Milliken AQI Alert nearby

View alert

US AQI⁺

Good

Main pollutant:

PM2.5

3.9 µg/m³

20°

11 km/h

39 %

Data source: PurpleAir

Hourly forecast

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

Now

20°

km/h

39%

10:00

22°

km/h

34%

11:00

24°

km/h

31%

12:00

26°

km/h

29%

13:00

28°

km/h

28%

14:00

29°

km/h

25%

15:00

30°

km/h

23%

16:00

30°

km/h

22%

17:00

30°

km/h

21%

18:00

30°

km/h

22%

19:00

29°

km/h

23%

20:00

28°

km/h

28%

21:00

26°

km/h

42%

22:00

24°

km/h

43%

23:00

23°

km/h

47%

Sat

00:00

23°

km/h

52%

01:00

22°

km/h

52%

02:00

21°

km/h

53%

03:00

21°

km/h

43%

04:00

20°

km/h

39%

05:00

20°

km/h

35%

06:00

20°

km/h

31%

07:00

20°

km/h

33%

08:00

23°

km/h

31%

09:00

24°

km/h

32%

10:00

27°

km/h

28%

11:00

29°

km/h

23%

12:00

31°

km/h

18%

13:00

32°

km/h

13%

14:00

32°

km/h

12%

15:00

33°

km/h

12%

16:00

33°

km/h

12%

17:00

32°

km/h

14%

18:00

29°

km/h

23%

19:00

21°

km/h

50%

20:00

21°

km/h

37%

21:00

20°

km/h

38%

22:00

20°

km/h

39%

23:00

19°

km/h

40%

Sun

00:00

18°

km/h

43%

01:00

18°

km/h

44%

02:00

17°

km/h

45%

03:00

17°

km/h

43%

04:00

17°

km/h

38%

05:00

17°

km/h

33%

06:00

17°

km/h

30%

07:00

20°

km/h

25%

08:00

25°

km/h

18%

09:00

28°

km/h

14%

10:00

29°

km/h

12%

11:00

29°

km/h

11%

12:00

31°

km/h

13:00

32°

km/h

14:00

32°

km/h

15:00

31°

km/h

16:00

31°

km/h

17:00

30°

km/h

10%

18:00

30°

km/h

12%

19:00

27°

km/h

16%

20:00

26°

km/h

15%

21:00

22°

km/h

19%

22:00

20°

km/h

22%

23:00

19°

km/h

24%

Mon

00:00

18°

km/h

23%

01:00

17°

km/h

26%

02:00

16°

km/h

27%

03:00

16°

km/h

28%

04:00

16°

km/h

29%

05:00

16°

km/h

31%

06:00

15°

km/h

33%

07:00

18°

km/h

27%

08:00

19°

km/h

20%

Daily forecast

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

Today

30°

19°

km/h

30%

Sat

33°

20°

km/h

26%

Sun

32°

17°

km/h

14%

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

Moderate

50%

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

Moderate

50%

Grass

Moderate

50%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for 18th Street

22 AQI⁺ US

Good

08:00–09:00 Jun 05 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	37
2	Boulder - CU - 2102 Athens St.	32
3	10th Street	31
4	717 Evergreen Boulder	29
5	285 Vail Cir	28
6	1491 High St	27
7	Chautauqua Heights, Cascade Avenue	27
8	Boulder Reservoir	26
9	Bean Mountain Lane	24
10	18th Street	22

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Las Cruces, New Mexico	153
2	Burbank, Los Angeles County, California	88
3	Pasadena, California	86
4	Val Verde, California	85
5	Altadena, California	82
6	East Los Angeles, California	82
7	Pinal County, Arizona	82
8	South Pasadena, California	82
9	El Paso, Texas	81
10	Inglewood, California	81