650 S 40th St

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Air quality near 650 S 40th St, Boulder

Air quality index (AQI⁺) and PM2.5 air pollution near 650 S 40th St, Boulder • 35 Followers • 22:00, Sep 30 Local time

Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)

US AQI⁺

Good

Main pollutant:

PM2.5

0 µg/m³

16°

6 km/h

50 %

Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)

Hourly forecast

650 S 40th St, Boulder air quality index (AQI⁺) forecast

Now

16°

km/h

50%

Thu

00:00

16°

km/h

46%

01:00

16°

km/h

47%

02:00

16°

km/h

47%

03:00

16°

km/h

48%

04:00

16°

km/h

48%

05:00

16°

km/h

47%

06:00

16°

km/h

46%

07:00

16°

km/h

46%

08:00

16°

km/h

46%

09:00

17°

km/h

44%

10:00

17°

km/h

45%

11:00

18°

km/h

42%

12:00

20°

km/h

39%

13:00

21°

km/h

35%

14:00

22°

km/h

33%

15:00

22°

km/h

33%

16:00

22°

km/h

33%

17:00

21°

km/h

36%

18:00

21°

km/h

37%

19:00

19°

km/h

44%

20:00

17°

km/h

49%

21:00

17°

km/h

51%

22:00

16°

km/h

53%

23:00

16°

km/h

59%

Fri

00:00

15°

km/h

59%

01:00

15°

km/h

62%

02:00

15°

km/h

56%

03:00

14°

km/h

53%

04:00

14°

km/h

60%

05:00

13°

km/h

63%

06:00

13°

km/h

59%

07:00

13°

km/h

53%

08:00

14°

km/h

49%

09:00

17°

km/h

42%

10:00

18°

km/h

39%

11:00

21°

km/h

34%

12:00

23°

km/h

28%

13:00

24°

km/h

26%

14:00

25°

km/h

24%

15:00

26°

km/h

21%

16:00

26°

km/h

20%

17:00

25°

km/h

21%

18:00

24°

km/h

27%

19:00

18°

km/h

47%

20:00

19°

km/h

30%

21:00

18°

km/h

30%

22:00

18°

km/h

29%

23:00

18°

km/h

30%

Sat

00:00

17°

km/h

32%

01:00

16°

km/h

34%

02:00

16°

km/h

34%

03:00

16°

km/h

34%

04:00

16°

km/h

35%

05:00

16°

km/h

35%

06:00

15°

km/h

35%

07:00

15°

km/h

35%

08:00

18°

km/h

32%

09:00

22°

km/h

23%

10:00

25°

km/h

18%

11:00

27°

km/h

15%

12:00

28°

km/h

14%

13:00

29°

km/h

13%

14:00

29°

km/h

13%

15:00

29°

km/h

13%

16:00

29°

km/h

13%

17:00

28°

km/h

13%

18:00

24°

km/h

26%

19:00

22°

km/h

21%

20:00

19°

km/h

28%

21:00

17°

km/h

36%

22:00

16°

km/h

41%

Daily forecast

650 S 40th St, Boulder air quality index (AQI⁺) forecast

Today

22°

16°

km/h

42%

Fri

26°

13°

km/h

34%

Sat

29°

15°

km/h

23%

Air pollutants

What is the current air quality near 650 S 40th St?

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 650 S 40th St, Boulder air pollution map

Pollen

What is the pollen count in 650 S 40th St today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in 650 S 40th St today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for 650 S 40th St

0 AQI⁺ US

Good

21:00–22:00 Sep 30 Local time

AQI⁺ US

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Most polluted locations near 650 S 40th St, Boulder

Worldwide AQI⁺ ranking

Station ranking

Real-time 650 S 40th St AQI⁺ station ranking

#	Stations	AQI⁺ US
1	10th Street	32
2	Boulder - CU - 2102 Athens St.	24
3	700 Utica Ave	20
4	1066 Berea Dr	19
5	285 Vail Cir	18
6	Bean Mountain Lane	17
7	2055-1901 Kalmia Ave	16
8	4792-4766 Kellogg Cir	12
9	717 Evergreen Boulder	12
10	650 S 40th St	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Turlock, California	96
2	Chattanooga, Tennessee	95
3	San Diego County, California	91
4	Crestline, California	85
5	Mariposa County, California	81
6	Sacramento County, California	80
7	Fresno County, California	79
8	Fresno, California	78
9	Aliso Viejo, California	77
10	Folsom, California	75