Air quality in Herndon

Air quality index (AQI⁺) and PM2.5 air pollution in Herndon • 3.6K Followers • 18:00, Apr 23

Jefferson County AQI Alert nearby

Jefferson County AQI Alert nearby

View alert

35

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

6.4 µg/m³

weather condition icon

26°

wind direction icon

11 km/h

weather humid icon

48 %

Hourly forecast

Herndon air quality index (AQI⁺) forecast

Now

35

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

11

km/h

Humidity icon

48%

19:00

35

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

11

km/h

Humidity icon

52%

20:00

38

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

8

km/h

Humidity icon

58%

21:00

40

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

8

km/h

Humidity icon

63%

22:00

41

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

8

km/h

Humidity icon

68%

23:00

48

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

7

km/h

Humidity icon

73%

Fri

00:00

50

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

8

km/h

Humidity icon

76%

01:00

53

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

7

km/h

Humidity icon

77%

02:00

57

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

7

km/h

Humidity icon

79%

03:00

60

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

7

km/h

Humidity icon

80%

04:00

63

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

7

km/h

Humidity icon

82%

05:00

66

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

7

km/h

Humidity icon

81%

06:00

69

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

6

km/h

Humidity icon

79%

07:00

69

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

7

km/h

Humidity icon

78%

08:00

66

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

9

km/h

Humidity icon

71%

09:00

66

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

9

km/h

Humidity icon

65%

10:00

66

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

11

km/h

Humidity icon

58%

11:00

64

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

12

km/h

Humidity icon

52%

12:00

64

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

12

km/h

Humidity icon

49%

13:00

64

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 360 degree

12

km/h

Humidity icon

45%

14:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

11

km/h

Humidity icon

47%

15:00

61

Weather icon

90%

25°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

12

km/h

Humidity icon

56%

16:00

61

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

9

km/h

Humidity icon

48%

17:00

63

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

14

km/h

Humidity icon

51%

18:00

63

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

15

km/h

Humidity icon

63%

19:00

63

Weather icon

90%

22°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

13

km/h

Humidity icon

73%

20:00

72

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

10

km/h

Humidity icon

77%

21:00

72

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

14

km/h

Humidity icon

84%

22:00

72

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

13

km/h

Humidity icon

85%

23:00

73

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

13

km/h

Humidity icon

80%

Sat

00:00

73

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

11

km/h

Humidity icon

68%

01:00

73

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

11

km/h

Humidity icon

65%

02:00

71

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

11

km/h

Humidity icon

65%

03:00

71

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

12

km/h

Humidity icon

65%

04:00

71

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

14

km/h

Humidity icon

71%

05:00

60

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

15

km/h

Humidity icon

79%

06:00

60

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

16

km/h

Humidity icon

82%

07:00

60

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

15

km/h

Humidity icon

87%

08:00

53

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

16

km/h

Humidity icon

82%

09:00

53

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 102 degree

15

km/h

Humidity icon

80%

10:00

53

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

13

km/h

Humidity icon

82%

11:00

60

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

15

km/h

Humidity icon

81%

12:00

60

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

15

km/h

Humidity icon

78%

13:00

60

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

17

km/h

Humidity icon

76%

14:00

57

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 120 degree

14

km/h

Humidity icon

78%

15:00

57

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

16

km/h

Humidity icon

81%

16:00

57

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 114 degree

20

km/h

Humidity icon

73%

17:00

61

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

17

km/h

Humidity icon

79%

18:00

61

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

18

km/h

Humidity icon

80%

19:00

61

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 84 degree

15

km/h

Humidity icon

85%

20:00

64

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

14

km/h

Humidity icon

89%

21:00

64

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

13

km/h

Humidity icon

72%

22:00

64

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

13

km/h

Humidity icon

77%

23:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

15

km/h

Humidity icon

82%

Sun

00:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

13

km/h

Humidity icon

77%

01:00

65

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

13

km/h

Humidity icon

77%

02:00

59

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

13

km/h

Humidity icon

88%

03:00

59

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

15

km/h

Humidity icon

82%

04:00

59

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

17

km/h

Humidity icon

82%

05:00

56

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

20

km/h

Humidity icon

82%

06:00

56

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

20

km/h

Humidity icon

76%

07:00

56

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

20

km/h

Humidity icon

71%

08:00

56

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 360 degree

20

km/h

Humidity icon

71%

09:00

56

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

20

km/h

Humidity icon

71%

10:00

56

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

19

km/h

Humidity icon

67%

11:00

58

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

19

km/h

Humidity icon

67%

12:00

58

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

19

km/h

Humidity icon

62%

13:00

58

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

17

km/h

Humidity icon

55%

14:00

59

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 360 degree

15

km/h

Humidity icon

58%

15:00

59

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

13

km/h

Humidity icon

55%

16:00

59

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

13

km/h

Humidity icon

55%

17:00

60

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

13

km/h

Humidity icon

55%

Daily forecast

|

Herndon air quality index (AQI⁺) forecast

Today

35

Weather icon

27°

14°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

12

km/h

Humidity icon

59%

Fri

64

Weather icon

26°

17°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

15

km/h

Humidity icon

64%

Sat

64

Weather icon

16°

11°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

20

km/h

Humidity icon

80%

Air pollutants

What is the current air quality in Herndon?

IQAir exclamation icon

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

Health recommendations

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Enjoy outdoor activities

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Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in Herndon

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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 Herndon today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Herndon

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 Herndon today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Herndon

Protect yourself from air pollution in Herndon

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 Herndon

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Herndon

#StationsAQI⁺ US
1
The national flag of USA

Woodland Crossing

35

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

173

2
The national flag of USA

North Charleston, South Carolina

74

3
The national flag of USA

Beltsville, Maryland

73

4
The national flag of USA

Manitowoc, Wisconsin

71

5
The national flag of USA

Port Arthur, Texas

68

6
The national flag of USA

Albany, Georgia

67

7
The national flag of USA

Atlanta, Georgia

67

8
The national flag of USA

Rome, Georgia

67

9
The national flag of USA

Sewanee, Tennessee

67

10
The national flag of USA

Chattanooga, Tennessee

66

History

Historic air quality graph for Herndon

35 AQI⁺ US
Good
17:00–18:00 Apr 23 Local time
AQI⁺ US

History

Historic air quality graph for Herndon

35 AQI⁺ US
Good
17:00–18:00 Apr 23 Local time
AQI⁺ US

Most polluted locations near Herndon

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Herndon

#StationsAQI⁺ US
1
The national flag of USA

Woodland Crossing

35

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

173

2
The national flag of USA

North Charleston, South Carolina

74

3
The national flag of USA

Beltsville, Maryland

73

4
The national flag of USA

Manitowoc, Wisconsin

71

5
The national flag of USA

Port Arthur, Texas

68

6
The national flag of USA

Albany, Georgia

67

7
The national flag of USA

Atlanta, Georgia

67

8
The national flag of USA

Rome, Georgia

67

9
The national flag of USA

Sewanee, Tennessee

67

10
The national flag of USA

Chattanooga, Tennessee

66

Measure your own air quality

Get a monitor and contribute air quality data in your city.

Where is the cleanest air quality in Herndon?