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Air quality in Waltham

Air quality index (AQI⁺) and PM2.5 air pollution in Waltham • 9.4K Followers • 10:00, Nov 15

Milford AQI Alert nearby

Milford AQI Alert nearby

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12

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

2.1 µg/m³

weather condition icon

7°

wind direction icon

16 km/h

weather humid icon

52 %

Hourly forecast

Waltham air quality index (AQI⁺) forecast

Now

12

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

16

km/h

Humidity icon

52%

11:00

12

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

16

km/h

Humidity icon

44%

12:00

12

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

15

km/h

Humidity icon

40%

13:00

13

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

17

km/h

Humidity icon

39%

14:00

13

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

17

km/h

Humidity icon

40%

15:00

13

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

17

km/h

Humidity icon

45%

16:00

10

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

15

km/h

Humidity icon

50%

17:00

10

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 302 degree

14

km/h

Humidity icon

54%

18:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

13

km/h

Humidity icon

57%

19:00

16

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

12

km/h

Humidity icon

60%

20:00

16

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

12

km/h

Humidity icon

61%

21:00

17

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 318 degree

12

km/h

Humidity icon

62%

22:00

18

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

11

km/h

Humidity icon

64%

23:00

18

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

10

km/h

Humidity icon

67%

Mon

00:00

18

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

10

km/h

Humidity icon

68%

01:00

24

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

9

km/h

Humidity icon

70%

02:00

24

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

9

km/h

Humidity icon

72%

03:00

24

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

9

km/h

Humidity icon

73%

04:00

18

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

8

km/h

Humidity icon

74%

05:00

18

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

8

km/h

Humidity icon

75%

06:00

18

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

7

km/h

Humidity icon

75%

07:00

36

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

8

km/h

Humidity icon

75%

08:00

36

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

10

km/h

Humidity icon

69%

09:00

36

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

12

km/h

Humidity icon

62%

10:00

33

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

11

km/h

Humidity icon

55%

11:00

33

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

10

km/h

Humidity icon

50%

12:00

33

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

9

km/h

Humidity icon

46%

13:00

38

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

9

km/h

Humidity icon

44%

14:00

38

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 325 degree

10

km/h

Humidity icon

43%

15:00

38

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

10

km/h

Humidity icon

45%

16:00

20

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

8

km/h

Humidity icon

49%

17:00

20

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

6

km/h

Humidity icon

56%

18:00

20

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

8

km/h

Humidity icon

60%

19:00

24

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

9

km/h

Humidity icon

63%

20:00

24

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

9

km/h

Humidity icon

64%

21:00

24

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

8

km/h

Humidity icon

65%

22:00

29

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

8

km/h

Humidity icon

66%

23:00

29

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

8

km/h

Humidity icon

68%

Tue

00:00

29

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

8

km/h

Humidity icon

70%

01:00

42

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 307 degree

7

km/h

Humidity icon

71%

02:00

42

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

7

km/h

Humidity icon

72%

03:00

42

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

6

km/h

Humidity icon

73%

04:00

28

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

5

km/h

Humidity icon

73%

05:00

28

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

6

km/h

Humidity icon

73%

06:00

28

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

6

km/h

Humidity icon

73%

07:00

39

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

5

km/h

Humidity icon

72%

08:00

39

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

7

km/h

Humidity icon

64%

09:00

39

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

7

km/h

Humidity icon

54%

10:00

43

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

8

km/h

Humidity icon

45%

11:00

43

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

9

km/h

Humidity icon

40%

12:00

43

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

10

km/h

Humidity icon

39%

13:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

11

km/h

Humidity icon

37%

14:00

19

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

12

km/h

Humidity icon

37%

15:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

41%

16:00

12

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

9

km/h

Humidity icon

48%

17:00

12

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

9

km/h

Humidity icon

55%

18:00

12

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

12

km/h

Humidity icon

57%

19:00

12

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

60%

20:00

12

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

11

km/h

Humidity icon

63%

21:00

12

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

11

km/h

Humidity icon

64%

22:00

43

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

11

km/h

Humidity icon

64%

23:00

43

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

10

km/h

Humidity icon

62%

Wed

00:00

43

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

10

km/h

Humidity icon

60%

01:00

37

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

10

km/h

Humidity icon

60%

02:00

37

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

10

km/h

Humidity icon

61%

03:00

37

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

10

km/h

Humidity icon

62%

04:00

47

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

10

km/h

Humidity icon

63%

05:00

47

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

10

km/h

Humidity icon

64%

06:00

47

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

11

km/h

Humidity icon

65%

07:00

49

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

11

km/h

Humidity icon

64%

08:00

49

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

59%

09:00

49

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

11

km/h

Humidity icon

52%

Daily forecast

|

Waltham air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Waltham?

IQAir Check icon

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

Health recommendations

Protect yourself from air pollution in Waltham

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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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Pollen

What is the pollen count in Waltham today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in Waltham

Health recommendations

Pollen

What is the pollen count in Waltham today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in Waltham

Protect yourself from air pollution in Waltham

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 Waltham

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Waltham

#StationsAQI⁺ US
1
The national flag of USA

Moody St near the river

22

2
The national flag of USA

331-379 US-20

16

3
The national flag of USA

483-499 South St

10

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Glendale, Arapahoe County, Colorado

95

2
The national flag of USA

Arnold, California

81

3
The national flag of USA

Port Arthur, Texas

81

4
The national flag of USA

Joliet, Illinois

79

5
The national flag of USA

Lakewood, Colorado

79

6
The national flag of USA

Thornton, Colorado

78

7
The national flag of USA

Welby, Colorado

78

8
The national flag of USA

Denver, Colorado

77

9
The national flag of USA

Romeoville, Illinois

74

10
The national flag of USA

Buena Vista, Colorado

73

History

Historic air quality graph for Waltham

12 AQI⁺ US
Good
09:00–10:00 Nov 15 
AQI⁺ US

History

Historic air quality graph for Waltham

12 AQI⁺ US
Good
09:00–10:00 Nov 15 
AQI⁺ US

Most polluted locations near Waltham

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Waltham

#StationsAQI⁺ US
1
The national flag of USA

Moody St near the river

22

2
The national flag of USA

331-379 US-20

16

3
The national flag of USA

483-499 South St

10

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Glendale, Arapahoe County, Colorado

95

2
The national flag of USA

Arnold, California

81

3
The national flag of USA

Port Arthur, Texas

81

4
The national flag of USA

Joliet, Illinois

79

5
The national flag of USA

Lakewood, Colorado

79

6
The national flag of USA

Thornton, Colorado

78

7
The national flag of USA

Welby, Colorado

78

8
The national flag of USA

Denver, Colorado

77

9
The national flag of USA

Romeoville, Illinois

74

10
The national flag of USA

Buena Vista, Colorado

73

Measure your own air quality

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

Where is the cleanest air quality in Waltham?