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Air quality in Longmont

Air quality index (AQI⁺) and PM2.5 air pollution in Longmont • 20.7K Followers • 10:00, Nov 14 Local time

52

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

9.5 µg/m³

weather condition icon

7°

wind direction icon

8 km/h

weather humid icon

75 %

Hourly forecast

Longmont air quality index (AQI⁺) forecast

Now

52

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

8

km/h

Humidity icon

75%

11:00

50

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 68 degree

5

km/h

Humidity icon

61%

12:00

48

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 120 degree

5

km/h

Humidity icon

53%

13:00

46

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

4

km/h

Humidity icon

47%

14:00

42

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 119 degree

4

km/h

Humidity icon

45%

15:00

39

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

4

km/h

Humidity icon

44%

16:00

37

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

4

km/h

Humidity icon

51%

17:00

37

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

7

km/h

Humidity icon

58%

18:00

35

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 49 degree

5

km/h

Humidity icon

72%

19:00

33

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

5

km/h

Humidity icon

75%

20:00

38

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

10

km/h

Humidity icon

72%

21:00

36

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

9

km/h

Humidity icon

79%

22:00

35

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 336 degree

8

km/h

Humidity icon

81%

23:00

26

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

6

km/h

Humidity icon

83%

Sun

00:00

26

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

7

km/h

Humidity icon

87%

01:00

26

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

6

km/h

Humidity icon

92%

02:00

23

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

5

km/h

Humidity icon

95%

03:00

23

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 50 degree

6

km/h

Humidity icon

94%

04:00

23

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

6

km/h

Humidity icon

98%

05:00

28

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

5

km/h

Humidity icon

99%

06:00

28

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

4

km/h

Humidity icon

100%

07:00

28

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

3

km/h

Humidity icon

100%

08:00

32

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

2

km/h

Humidity icon

95%

09:00

32

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 87 degree

3

km/h

Humidity icon

78%

10:00

32

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 99 degree

6

km/h

Humidity icon

61%

11:00

24

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

6

km/h

Humidity icon

48%

12:00

24

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

7

km/h

Humidity icon

39%

13:00

24

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

8

km/h

Humidity icon

34%

14:00

20

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

8

km/h

Humidity icon

32%

15:00

20

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

7

km/h

Humidity icon

32%

16:00

20

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

5

km/h

Humidity icon

41%

17:00

21

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

8

km/h

Humidity icon

59%

18:00

21

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

6

km/h

Humidity icon

67%

19:00

21

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 10 degree

4

km/h

Humidity icon

71%

20:00

13

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

5

km/h

Humidity icon

69%

21:00

13

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

6

km/h

Humidity icon

68%

22:00

13

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

5

km/h

Humidity icon

67%

23:00

8

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 292 degree

4

km/h

Humidity icon

66%

Mon

00:00

8

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

4

km/h

Humidity icon

65%

01:00

8

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

2

km/h

Humidity icon

66%

02:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

0

km/h

Humidity icon

66%

03:00

6

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

1

km/h

Humidity icon

67%

04:00

6

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

1

km/h

Humidity icon

66%

05:00

11

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

1

km/h

Humidity icon

66%

06:00

11

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

2

km/h

Humidity icon

66%

07:00

11

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

2

km/h

Humidity icon

66%

08:00

26

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

3

km/h

Humidity icon

47%

09:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

3

km/h

Humidity icon

35%

10:00

26

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 107 degree

3

km/h

Humidity icon

29%

11:00

22

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

4

km/h

Humidity icon

24%

12:00

22

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

5

km/h

Humidity icon

21%

13:00

22

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

5

km/h

Humidity icon

19%

14:00

22

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

6

km/h

Humidity icon

19%

15:00

22

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

5

km/h

Humidity icon

20%

16:00

22

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

2

km/h

Humidity icon

31%

17:00

23

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

3

km/h

Humidity icon

37%

18:00

23

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

3

km/h

Humidity icon

44%

19:00

23

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

3

km/h

Humidity icon

59%

20:00

32

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

3

km/h

Humidity icon

60%

21:00

32

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

3

km/h

Humidity icon

61%

22:00

32

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

3

km/h

Humidity icon

60%

23:00

26

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

4

km/h

Humidity icon

60%

Tue

00:00

26

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 23 degree

5

km/h

Humidity icon

50%

01:00

26

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

6

km/h

Humidity icon

53%

02:00

26

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

5

km/h

Humidity icon

66%

03:00

26

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

3

km/h

Humidity icon

70%

04:00

26

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

1

km/h

Humidity icon

69%

05:00

21

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

2

km/h

Humidity icon

68%

06:00

21

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 170 degree

2

km/h

Humidity icon

65%

07:00

21

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

3

km/h

Humidity icon

63%

08:00

32

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

2

km/h

Humidity icon

43%

09:00

32

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

3

km/h

Humidity icon

29%

Daily forecast

|

Longmont air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Longmont?

IQAir exclamation icon

PM2.5 concentration is currently 1.9 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Protect yourself from air pollution in Longmont

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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

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Atem Series

Pollen

What is the pollen count in Longmont today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Longmont

Health recommendations

Pollen

What is the pollen count in Longmont today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Longmont

Protect yourself from air pollution in Longmont

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 Longmont

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Longmont

#StationsAQI⁺ US
1
The national flag of USA

Hawthorne Place

52

2
The national flag of USA

Independence Drive

52

3
The national flag of USA

South Bross Street

52

4
The national flag of USA

Ute Creek Drive

52

5
The national flag of USA

Hallett Peak

51

6
The national flag of USA

Longmont

51

7
The national flag of USA

Longmont Collocation 1

38

8
The national flag of USA

The Shores

38

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Valley Center, California

102

2
The national flag of USA

Hawaii, Hawaii

92

3
The national flag of USA

Winthrop, Washington

90

4
The national flag of USA

Hamilton, Montana

78

5
The national flag of USA

Englewood, Colorado

75

6
The national flag of USA

East Wenatchee, Washington

73

7
The national flag of USA

Moxee, Washington

71

8
The national flag of USA

Roosevelt, Utah

70

9
The national flag of USA

Littleton, Colorado

68

10
The national flag of USA

White Salmon, Washington

67

History

Historic air quality graph for Longmont

52 AQI⁺ US
Moderate
09:00–10:00 Nov 14 Local time
AQI⁺ US

History

Historic air quality graph for Longmont

52 AQI⁺ US
Moderate
09:00–10:00 Nov 14 Local time
AQI⁺ US

Most polluted locations near Longmont

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Longmont

#StationsAQI⁺ US
1
The national flag of USA

Hawthorne Place

52

2
The national flag of USA

Independence Drive

52

3
The national flag of USA

South Bross Street

52

4
The national flag of USA

Ute Creek Drive

52

5
The national flag of USA

Hallett Peak

51

6
The national flag of USA

Longmont

51

7
The national flag of USA

Longmont Collocation 1

38

8
The national flag of USA

The Shores

38

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Valley Center, California

102

2
The national flag of USA

Hawaii, Hawaii

92

3
The national flag of USA

Winthrop, Washington

90

4
The national flag of USA

Hamilton, Montana

78

5
The national flag of USA

Englewood, Colorado

75

6
The national flag of USA

East Wenatchee, Washington

73

7
The national flag of USA

Moxee, Washington

71

8
The national flag of USA

Roosevelt, Utah

70

9
The national flag of USA

Littleton, Colorado

68

10
The national flag of USA

White Salmon, Washington

67

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