Air quality in St. Charles

Air quality index (AQI⁺) and PM2.5 air pollution in St. Charles • 5 Followers • 14:00, Apr 23 Local time

36*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

6.4 µg/m³

weather condition icon

24°

wind direction icon

13 km/h

weather humid icon

55 %

Hourly forecast

St. Charles air quality index (AQI⁺) forecast

Now

36

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

13

km/h

Humidity icon

55%

15:00

36

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

15

km/h

Humidity icon

54%

16:00

36

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 211 degree

17

km/h

Humidity icon

52%

17:00

36

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

17

km/h

Humidity icon

54%

18:00

36

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

13

km/h

Humidity icon

56%

19:00

36

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

11

km/h

Humidity icon

64%

20:00

37

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

8

km/h

Humidity icon

66%

21:00

40

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

8

km/h

Humidity icon

74%

22:00

43

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

11

km/h

Humidity icon

89%

23:00

48

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

9

km/h

Humidity icon

93%

Fri

00:00

49

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

10

km/h

Humidity icon

89%

01:00

52

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

10

km/h

Humidity icon

92%

02:00

54

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

10

km/h

Humidity icon

93%

03:00

56

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 161 degree

9

km/h

Humidity icon

96%

04:00

58

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

8

km/h

Humidity icon

94%

05:00

61

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

10

km/h

Humidity icon

92%

06:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

9

km/h

Humidity icon

91%

07:00

65

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

12

km/h

Humidity icon

90%

08:00

68

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

12

km/h

Humidity icon

87%

09:00

67

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

13

km/h

Humidity icon

78%

10:00

66

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

14

km/h

Humidity icon

75%

11:00

66

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

17

km/h

Humidity icon

67%

12:00

65

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

23

km/h

Humidity icon

62%

13:00

64

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

18

km/h

Humidity icon

64%

14:00

63

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

21

km/h

Humidity icon

58%

15:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

19

km/h

Humidity icon

61%

16:00

61

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

18

km/h

Humidity icon

61%

17:00

61

Weather icon

90%

22°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

20

km/h

Humidity icon

79%

18:00

60

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

19

km/h

Humidity icon

85%

19:00

59

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

7

km/h

Humidity icon

81%

20:00

58

Weather icon

90%

18°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

5

km/h

Humidity icon

93%

21:00

52

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

9

km/h

Humidity icon

95%

22:00

46

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

14

km/h

Humidity icon

96%

23:00

41

Weather icon

90%

17°

IQAir AirVisual Air Quality Map Wind rotating 211 degree

11

km/h

Humidity icon

97%

Sat

00:00

38

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

11

km/h

Humidity icon

96%

01:00

35

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

15

km/h

Humidity icon

94%

02:00

33

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

19

km/h

Humidity icon

95%

03:00

32

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

19

km/h

Humidity icon

94%

04:00

31

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

20

km/h

Humidity icon

92%

05:00

31

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

18

km/h

Humidity icon

90%

06:00

33

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

17

km/h

Humidity icon

89%

07:00

36

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

13

km/h

Humidity icon

88%

08:00

39

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

16

km/h

Humidity icon

86%

09:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 325 degree

19

km/h

Humidity icon

85%

10:00

35

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 331 degree

18

km/h

Humidity icon

86%

11:00

34

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

17

km/h

Humidity icon

85%

12:00

30

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

18

km/h

Humidity icon

83%

13:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

20

km/h

Humidity icon

84%

14:00

23

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

22

km/h

Humidity icon

74%

15:00

22

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

23

km/h

Humidity icon

68%

16:00

21

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

24

km/h

Humidity icon

70%

17:00

20

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

25

km/h

Humidity icon

67%

18:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 33 degree

26

km/h

Humidity icon

69%

19:00

21

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 30 degree

25

km/h

Humidity icon

74%

20:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 22 degree

22

km/h

Humidity icon

79%

21:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 44 degree

16

km/h

Humidity icon

81%

22:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 47 degree

16

km/h

Humidity icon

80%

23:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 42 degree

13

km/h

Humidity icon

81%

Sun

00:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 47 degree

11

km/h

Humidity icon

85%

01:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 44 degree

10

km/h

Humidity icon

88%

02:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 60 degree

9

km/h

Humidity icon

90%

03:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 42 degree

8

km/h

Humidity icon

92%

04:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 26 degree

6

km/h

Humidity icon

92%

05:00

23

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 44 degree

8

km/h

Humidity icon

92%

06:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 75 degree

10

km/h

Humidity icon

91%

07:00

26

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 61 degree

10

km/h

Humidity icon

91%

08:00

28

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 54 degree

8

km/h

Humidity icon

88%

09:00

37

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 67 degree

9

km/h

Humidity icon

81%

10:00

46

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 78 degree

12

km/h

Humidity icon

76%

11:00

55

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

14

km/h

Humidity icon

71%

12:00

46

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

12

km/h

Humidity icon

65%

13:00

37

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

16

km/h

Humidity icon

62%

Daily forecast

|

St. Charles air quality index (AQI⁺) forecast

Today

36

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

17

km/h

Humidity icon

66%

Fri

58

Weather icon

25°

15°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

23

km/h

Humidity icon

78%

Sat

35

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

26

km/h

Humidity icon

79%

Air pollutants

What is the current air quality in St. Charles?

IQAir exclamation icon

PM2.5 concentration is currently 1.3 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in St. Charles

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Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in St. Charles today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in St. Charles

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor

Pollen

What is the pollen count in St. Charles today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in St. Charles

Protect yourself from air pollution in St. Charles

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near St. Charles

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

313

2
The national flag of USA

Port Arthur, Texas

77

3
The national flag of USA

Birmingham, Alabama

68

4
The national flag of USA

North Charleston, South Carolina

67

5
The national flag of USA

Tarrant, Alabama

67

6
The national flag of USA

East Point, Georgia

66

7
The national flag of USA

Jackson, Mississippi

66

8
The national flag of USA

Manitowoc, Wisconsin

66

9
The national flag of USA

Kennesaw, Georgia

65

10
The national flag of USA

Sewanee, Tennessee

65

History

Historic air quality graph for St. Charles

36 AQI⁺ US
Good
14:00–15:00 Apr 23 Local time
AQI⁺ US

History

Historic air quality graph for St. Charles

36 AQI⁺ US
Good
14:00–15:00 Apr 23 Local time
AQI⁺ US

Most polluted locations near St. Charles

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

313

2
The national flag of USA

Port Arthur, Texas

77

3
The national flag of USA

Birmingham, Alabama

68

4
The national flag of USA

North Charleston, South Carolina

67

5
The national flag of USA

Tarrant, Alabama

67

6
The national flag of USA

East Point, Georgia

66

7
The national flag of USA

Jackson, Mississippi

66

8
The national flag of USA

Manitowoc, Wisconsin

66

9
The national flag of USA

Kennesaw, Georgia

65

10
The national flag of USA

Sewanee, Tennessee

65

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Where is the cleanest air quality in St. Charles?

No locations are available.