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Air quality near 18th Street, Boulder

Air quality index (AQI⁺) and PM2.5 air pollution near 18th Street, Boulder • 230 Followers • 08:00, May 17 Local time

Data source: PurpleAir

Milliken AQI Alert nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

3 µg/m³

12°

8 km/h

82 %

Data source: PurpleAir

Hourly forecast

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

Now

12°

km/h

82%

09:00

12°

km/h

83%

10:00

90%

13°

km/h

74%

11:00

90%

12°

km/h

73%

12:00

90%

11°

km/h

78%

13:00

90%

10°

km/h

86%

14:00

10°

km/h

80%

15:00

13°

km/h

64%

16:00

13°

km/h

70%

17:00

90%

13°

km/h

73%

18:00

90%

12°

km/h

73%

19:00

13°

km/h

69%

20:00

12°

km/h

77%

21:00

90%

10°

km/h

92%

22:00

90%

9°

km/h

96%

23:00

90%

9°

km/h

95%

Mon

00:00

90%

8°

km/h

95%

01:00

6°

km/h

89%

02:00

90%

6°

km/h

90%

03:00

90%

6°

km/h

88%

04:00

6°

km/h

91%

05:00

90%

6°

km/h

93%

06:00

90%

6°

km/h

97%

07:00

5°

km/h

96%

08:00

90%

5°

km/h

96%

09:00

90%

5°

km/h

96%

10:00

5°

km/h

96%

11:00

90%

4°

km/h

92%

12:00

90%

5°

km/h

79%

13:00

4°

km/h

86%

14:00

90%

5°

km/h

86%

15:00

90%

5°

km/h

77%

16:00

6°

km/h

70%

17:00

6°

km/h

73%

18:00

5°

km/h

74%

19:00

5°

km/h

75%

20:00

5°

km/h

79%

21:00

90%

3°

km/h

93%

22:00

3°

km/h

88%

23:00

3°

km/h

83%

Tue

00:00

3°

km/h

87%

01:00

3°

km/h

84%

02:00

3°

km/h

85%

03:00

3°

km/h

88%

04:00

2°

km/h

100%

05:00

1°

km/h

100%

06:00

1°

km/h

100%

07:00

1°

km/h

90%

08:00

3°

km/h

86%

09:00

4°

km/h

79%

10:00

5°

km/h

74%

11:00

6°

km/h

71%

12:00

7°

km/h

69%

13:00

7°

km/h

67%

14:00

7°

km/h

65%

15:00

7°

km/h

67%

16:00

90%

7°

km/h

73%

17:00

90%

7°

km/h

79%

18:00

7°

km/h

81%

19:00

7°

km/h

85%

20:00

6°

km/h

92%

21:00

6°

km/h

94%

22:00

6°

km/h

92%

23:00

7°

km/h

90%

Wed

00:00

7°

km/h

93%

01:00

7°

km/h

93%

02:00

7°

km/h

93%

03:00

7°

km/h

90%

04:00

7°

km/h

89%

05:00

7°

km/h

89%

06:00

7°

km/h

89%

07:00

7°

km/h

87%

Daily forecast

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

Today

90%

13°

9°

km/h

77%

Mon

90%

6°

3°

km/h

85%

Tue

7°

1°

km/h

80%

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

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in 18th Street

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Air Quality Monitors

Pollen

What is the pollen count in 18th Street today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for 18th Street

17 AQI⁺ US

Good

07:00–08:00 May 17 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	5771-5701 Valmont Rd	33
2	Boulder Reservoir	29
3	10th Street	23
4	Bean Mountain Lane	21
5	717 Evergreen Boulder	19
6	1491 High St	18
7	285 Vail Cir	18
8	18th Street	17
9	1066 Berea Dr	9
10	Boulder - CU - 2102 Athens St.	8

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	San Marcos, California	127
2	Encinitas, California	112
3	Solana Beach, California	108
4	Carlsbad, California	105
5	San Diego, California	105
6	Oceanside, California	102
7	Imperial Beach, California	96
8	Coronado, California	94
9	Mission, Texas	89
10	Aliso Viejo, California	84