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Air quality in Knox County

Air quality index (AQI⁺) and PM2.5 air pollution in Knox County • 20:00, Oct 31 Local time

US AQI⁺

Good

Main pollutant:

O₃

80 µg/m³

16°

17 km/h

84 %

Hourly forecast

Knox County air quality index (AQI⁺) forecast

Now

16°

km/h

84%

21:00

15°

km/h

85%

22:00

15°

km/h

91%

23:00

15°

km/h

94%

Sun

00:00

15°

km/h

95%

01:00

15°

km/h

96%

01:00

15°

km/h

94%

02:00

15°

km/h

95%

03:00

15°

km/h

96%

04:00

15°

km/h

96%

05:00

15°

km/h

95%

06:00

15°

km/h

95%

07:00

14°

km/h

96%

08:00

14°

km/h

97%

09:00

15°

km/h

95%

10:00

15°

km/h

92%

11:00

15°

km/h

90%

12:00

16°

km/h

87%

13:00

16°

km/h

86%

14:00

17°

km/h

86%

15:00

16°

km/h

84%

16:00

16°

km/h

84%

17:00

15°

km/h

85%

18:00

15°

km/h

86%

19:00

15°

km/h

91%

20:00

15°

km/h

90%

21:00

15°

km/h

92%

22:00

15°

km/h

92%

23:00

80%

15°

km/h

94%

Mon

00:00

80%

15°

km/h

94%

01:00

15°

km/h

95%

02:00

80%

15°

km/h

94%

03:00

80%

14°

km/h

95%

04:00

14°

km/h

95%

05:00

80%

14°

km/h

95%

06:00

80%

15°

km/h

94%

07:00

15°

km/h

95%

08:00

70%

16°

km/h

95%

09:00

16°

km/h

93%

10:00

16°

km/h

94%

11:00

80%

17°

km/h

94%

12:00

80%

17°

km/h

94%

13:00

19°

km/h

87%

14:00

18°

km/h

89%

15:00

19°

km/h

90%

16:00

19°

km/h

91%

17:00

18°

km/h

94%

18:00

18°

km/h

96%

19:00

16°

km/h

70%

20:00

16°

km/h

72%

21:00

15°

km/h

74%

22:00

14°

km/h

77%

23:00

13°

km/h

80%

Tue

00:00

12°

km/h

85%

01:00

70%

10°

km/h

84%

02:00

9°

km/h

72%

03:00

9°

km/h

64%

04:00

8°

km/h

57%

05:00

8°

km/h

53%

06:00

7°

km/h

55%

07:00

6°

km/h

56%

08:00

7°

km/h

57%

09:00

8°

km/h

52%

10:00

10°

km/h

44%

11:00

11°

km/h

37%

12:00

13°

km/h

34%

13:00

14°

km/h

40%

14:00

13°

km/h

44%

15:00

13°

km/h

47%

16:00

12°

km/h

54%

17:00

10°

km/h

65%

18:00

9°

km/h

68%

Daily forecast

Knox County air quality index (AQI⁺) forecast

Today

17°

14°

km/h

90%

Sun

19°

14°

km/h

88%

Mon

14°

6°

km/h

53%

Air pollutants

What is the current air quality in Knox County?

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

Real-time Knox County air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in Knox County

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Monitor the air you breathe

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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.

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Powerful, stylish air purifiers

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Pollen

What is the pollen count in Knox County today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in Knox County

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Knox County air pollution map

Pollen

What is the pollen count in Knox County today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast in Knox County

Protect yourself from air pollution in Knox County

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 Knox County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Knox County

#	Stations	AQI⁺ US
1	Santee Sioux - Environmental Office	32
2	Santee Office of Environmental Protection	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Englewood, Colorado	124
2	Shaver Lake, California	115
3	Glendale, Arapahoe County, Colorado	113
4	Falcon Heights, Minnesota	103
5	Tulsa County, Oklahoma	99
6	Castle Rock, Colorado	93
7	Lilydale, Minnesota	92
8	Littleton, Colorado	89
9	Ester, Alaska	87
10	Springfield, Oregon	81

History

Historic air quality graph for Knox County

17 AQI⁺ US

Good

19:00–20:00 Oct 31 Local time

AQI⁺ US

History

Historic air quality graph for Knox County

17 AQI⁺ US

Good

19:00–20:00 Oct 31 Local time

AQI⁺ US

Most polluted locations near Knox County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in Knox County

#	Stations	AQI⁺ US
1	Santee Sioux - Environmental Office	32
2	Santee Office of Environmental Protection	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Englewood, Colorado	124
2	Shaver Lake, California	115
3	Glendale, Arapahoe County, Colorado	113
4	Falcon Heights, Minnesota	103
5	Tulsa County, Oklahoma	99
6	Castle Rock, Colorado	93
7	Lilydale, Minnesota	92
8	Littleton, Colorado	89
9	Ester, Alaska	87
10	Springfield, Oregon	81