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Air quality in Boulder

Air quality index (AQI⁺) and PM2.5 air pollution in Boulder • 37 Followers • 11:00, Apr 19 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

1 µg/m³

27°

13 km/h

39 %

Hourly forecast

Boulder air quality index (AQI⁺) forecast

Now

27°

km/h

39%

14:00

28°

km/h

35%

15:00

28°

km/h

32%

16:00

28°

km/h

32%

17:00

28°

km/h

32%

18:00

27°

km/h

34%

19:00

26°

km/h

39%

20:00

25°

km/h

41%

21:00

24°

km/h

47%

22:00

23°

km/h

50%

23:00

23°

km/h

50%

Mon

00:00

22°

km/h

53%

01:00

22°

km/h

53%

02:00

22°

km/h

53%

03:00

21°

km/h

56%

04:00

20°

km/h

60%

05:00

20°

km/h

60%

06:00

20°

km/h

56%

07:00

21°

km/h

53%

08:00

22°

km/h

50%

09:00

25°

km/h

41%

10:00

28°

km/h

32%

11:00

30°

km/h

27%

12:00

32°

km/h

23%

13:00

32°

km/h

21%

14:00

33°

km/h

19%

15:00

34°

km/h

16%

16:00

33°

km/h

19%

17:00

32°

km/h

20%

18:00

31°

km/h

21%

19:00

30°

km/h

22%

20:00

29°

km/h

25%

21:00

28°

km/h

27%

22:00

27°

km/h

28%

23:00

26°

km/h

32%

Tue

00:00

25°

km/h

34%

01:00

24°

km/h

38%

02:00

23°

km/h

41%

03:00

22°

km/h

43%

04:00

21°

km/h

49%

05:00

20°

km/h

52%

06:00

19°

km/h

56%

07:00

18°

km/h

60%

08:00

18°

km/h

56%

09:00

19°

km/h

49%

10:00

20°

km/h

43%

11:00

20°

km/h

40%

12:00

21°

km/h

35%

13:00

22°

km/h

31%

14:00

22°

km/h

27%

15:00

22°

km/h

25%

16:00

22°

km/h

25%

17:00

21°

km/h

25%

18:00

19°

km/h

30%

19:00

18°

km/h

32%

20:00

16°

km/h

36%

21:00

15°

km/h

38%

22:00

14°

km/h

41%

23:00

13°

km/h

47%

Wed

00:00

13°

km/h

47%

01:00

12°

km/h

50%

02:00

11°

km/h

54%

03:00

10°

km/h

58%

04:00

10°

km/h

62%

05:00

9°

km/h

66%

06:00

9°

km/h

71%

07:00

11°

km/h

62%

08:00

13°

km/h

58%

09:00

16°

km/h

51%

10:00

18°

km/h

45%

11:00

20°

km/h

40%

12:00

22°

km/h

33%

Daily forecast

Boulder air quality index (AQI⁺) forecast

Today

28°

13°

km/h

51%

Mon

34°

20°

km/h

29%

Tue

22°

14°

km/h

38%

Air pollutants

What is the current air quality in Boulder?

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

Real-time Boulder air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Pollen

What is the pollen count in Boulder today?

Index

Moderate

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

Source:

wetter.com

Pollen forecast in Boulder

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Boulder air pollution map

Pollen

What is the pollen count in Boulder today?

Index

Moderate

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

Source:

wetter.com

Pollen forecast in Boulder

Most polluted locations near Boulder

Worldwide AQI⁺ ranking

City ranking

Real-time Australia AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Melbourne, Victoria	67
2	Newcastle, New South Wales	63
3	Canberra, ACT	44
4	Rocklea, Queensland	33
5	Orange, New South Wales	32
6	Armidale, New South Wales	30
7	Brisbane, Queensland	28
8	Bathurst, New South Wales	27
9	Sydney, New South Wales	26
10	Merriwa, New South Wales	24

History

Historic air quality graph for Boulder

6 AQI⁺ US

Good

11:00–12:00 Apr 19 Local time

AQI⁺ US

History

Historic air quality graph for Boulder

6 AQI⁺ US

Good

11:00–12:00 Apr 19 Local time

AQI⁺ US

Most polluted locations near Boulder

Worldwide AQI⁺ ranking

City ranking

Real-time Australia AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Melbourne, Victoria	67
2	Newcastle, New South Wales	63
3	Canberra, ACT	44
4	Rocklea, Queensland	33
5	Orange, New South Wales	32
6	Armidale, New South Wales	30
7	Brisbane, Queensland	28
8	Bathurst, New South Wales	27
9	Sydney, New South Wales	26
10	Merriwa, New South Wales	24