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Air quality near Cottleville Weldon Spring, St. Charles County

Air quality index (AQI⁺) and PM2.5 air pollution near Cottleville Weldon Spring, St. Charles County • 921 Followers • 12:00, Jun 21 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

7.1 µg/m³

27°

21 km/h

68 %

Data source: PurpleAir

Hourly forecast

Cottleville Weldon Spring, St. Charles County air quality index (AQI⁺) forecast

Now

27°

km/h

68%

13:00

29°

km/h

64%

14:00

28°

km/h

73%

15:00

29°

km/h

68%

16:00

28°

km/h

73%

17:00

29°

km/h

73%

18:00

28°

km/h

77%

19:00

90%

25°

km/h

96%

20:00

27°

km/h

86%

21:00

90%

22°

km/h

99%

22:00

90%

23°

km/h

99%

23:00

23°

km/h

98%

Mon

00:00

24°

km/h

98%

01:00

22°

km/h

92%

02:00

22°

km/h

94%

03:00

20°

km/h

92%

04:00

16°

km/h

93%

05:00

15°

km/h

95%

06:00

90%

15°

km/h

96%

07:00

15°

km/h

94%

08:00

16°

km/h

92%

09:00

16°

km/h

89%

10:00

16°

km/h

88%

11:00

17°

km/h

85%

12:00

18°

km/h

81%

13:00

19°

km/h

79%

14:00

20°

km/h

76%

15:00

21°

km/h

72%

16:00

22°

km/h

71%

17:00

22°

km/h

72%

18:00

22°

km/h

74%

19:00

21°

km/h

79%

20:00

20°

km/h

82%

21:00

20°

km/h

76%

22:00

19°

km/h

79%

23:00

19°

km/h

87%

Tue

00:00

19°

km/h

85%

01:00

19°

km/h

85%

02:00

18°

km/h

93%

03:00

17°

km/h

99%

04:00

17°

km/h

100%

05:00

16°

km/h

100%

06:00

16°

km/h

100%

07:00

16°

km/h

98%

08:00

18°

km/h

77%

09:00

20°

km/h

66%

10:00

22°

km/h

59%

11:00

23°

km/h

55%

12:00

24°

km/h

51%

13:00

25°

km/h

49%

14:00

26°

km/h

48%

15:00

26°

km/h

48%

16:00

26°

km/h

48%

17:00

26°

km/h

51%

18:00

25°

km/h

58%

19:00

24°

km/h

63%

20:00

22°

km/h

69%

21:00

21°

km/h

69%

22:00

20°

km/h

73%

23:00

20°

km/h

71%

Wed

00:00

20°

km/h

71%

01:00

20°

km/h

73%

02:00

19°

km/h

76%

03:00

18°

km/h

79%

04:00

18°

km/h

81%

05:00

18°

km/h

82%

06:00

18°

km/h

85%

07:00

20°

km/h

83%

08:00

21°

km/h

76%

09:00

23°

km/h

73%

10:00

23°

km/h

73%

11:00

80%

23°

km/h

80%

Daily forecast

Cottleville Weldon Spring, St. Charles County air quality index (AQI⁺) forecast

Today

29°

22°

km/h

78%

Mon

22°

15°

km/h

81%

Tue

26°

16°

km/h

64%

Air pollutants

What is the current air quality near Cottleville Weldon Spring?

PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

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Real-time Cottleville Weldon Spring, St. Charles County air pollution map

Pollen

What is the pollen count in Cottleville Weldon Spring today?

Index

Moderate

Tree

Low

25%

Grass

Low

25%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

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Pollen

What is the pollen count in Cottleville Weldon Spring today?

Index

Moderate

Tree

Low

25%

Grass

Low

25%

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Cottleville Weldon Spring

39 AQI⁺ US

Good

11:00–12:00 Jun 21 Local time

AQI⁺ US

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Most polluted locations near Cottleville Weldon Spring, St. Charles County

Worldwide AQI⁺ ranking

Station ranking

Real-time Cottleville Weldon Spring AQI⁺ station ranking

#	Stations	AQI⁺ US
1	Cottleville Weldon Spring	39
2	Orchard Farm	27

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	South Pasadena, California	181
2	Rancho Cucamonga, California	163
3	Oak Park, California	153
4	Claremont, California	146
5	Upland, California	130
6	Arcadia, California	118
7	La Verne, California	115
8	La Cañada Flintridge, California	114
9	Altadena, California	113
10	Pasadena, California	104