Air quality near 331-379 US-20, Waltham

Air quality index (AQI⁺) and PM2.5 air pollution near 331-379 US-20, Waltham • 11:00, Apr 17

Data source: PurpleAir

Milford AQI Alert nearby

Milford AQI Alert nearby

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55

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

11.3 µg/m³

weather condition icon

18°

wind direction icon

7 km/h

weather humid icon

72 %

Data source: PurpleAir

Hourly forecast

331-379 US-20, Waltham air quality index (AQI⁺) forecast

Now

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 25 degree

7

km/h

Humidity icon

72%

12:00

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

13

km/h

Humidity icon

71%

13:00

53

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

16

km/h

Humidity icon

77%

14:00

51

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

17

km/h

Humidity icon

85%

15:00

49

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 32 degree

14

km/h

Humidity icon

85%

16:00

48

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

14

km/h

Humidity icon

77%

17:00

47

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

12

km/h

Humidity icon

79%

18:00

44

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

10

km/h

Humidity icon

80%

19:00

41

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

7

km/h

Humidity icon

81%

20:00

39

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 85 degree

6

km/h

Humidity icon

91%

21:00

38

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

7

km/h

Humidity icon

95%

22:00

39

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

6

km/h

Humidity icon

97%

23:00

39

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 100 degree

3

km/h

Humidity icon

97%

Sat

00:00

36

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

1

km/h

Humidity icon

100%

01:00

33

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 1 degree

3

km/h

Humidity icon

100%

02:00

30

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 355 degree

3

km/h

Humidity icon

99%

03:00

28

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 353 degree

4

km/h

Humidity icon

99%

04:00

26

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 337 degree

4

km/h

Humidity icon

99%

05:00

24

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 5 degree

6

km/h

Humidity icon

99%

06:00

20

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 32 degree

9

km/h

Humidity icon

99%

07:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 37 degree

12

km/h

Humidity icon

97%

08:00

14

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 71 degree

11

km/h

Humidity icon

93%

09:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 80 degree

13

km/h

Humidity icon

92%

10:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

14

km/h

Humidity icon

91%

11:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

14

km/h

Humidity icon

87%

12:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

13

km/h

Humidity icon

85%

13:00

13

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

16

km/h

Humidity icon

85%

14:00

14

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 65 degree

15

km/h

Humidity icon

83%

15:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 62 degree

13

km/h

Humidity icon

85%

16:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 66 degree

12

km/h

Humidity icon

87%

17:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 76 degree

11

km/h

Humidity icon

90%

18:00

7

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 75 degree

9

km/h

Humidity icon

89%

19:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 77 degree

10

km/h

Humidity icon

91%

20:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 81 degree

8

km/h

Humidity icon

92%

21:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 86 degree

7

km/h

Humidity icon

93%

22:00

15

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 93 degree

8

km/h

Humidity icon

94%

23:00

19

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 102 degree

6

km/h

Humidity icon

95%

Sun

00:00

18

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 117 degree

7

km/h

Humidity icon

95%

01:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 140 degree

5

km/h

Humidity icon

95%

02:00

17

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 185 degree

2

km/h

Humidity icon

96%

03:00

19

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 165 degree

2

km/h

Humidity icon

95%

04:00

22

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 145 degree

7

km/h

Humidity icon

96%

05:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 140 degree

9

km/h

Humidity icon

96%

06:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 142 degree

10

km/h

Humidity icon

96%

07:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 150 degree

9

km/h

Humidity icon

94%

08:00

25

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 170 degree

8

km/h

Humidity icon

94%

09:00

29

Weather icon

80%

IQAir AirVisual Air Quality Map Wind rotating 233 degree

9

km/h

Humidity icon

93%

10:00

33

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

9

km/h

Humidity icon

93%

11:00

38

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

12

km/h

Humidity icon

92%

12:00

37

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

12

km/h

Humidity icon

91%

13:00

37

Weather icon

80%

10°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

15

km/h

Humidity icon

82%

14:00

37

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

16

km/h

Humidity icon

79%

15:00

28

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

17

km/h

Humidity icon

81%

16:00

20

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 305 degree

17

km/h

Humidity icon

81%

17:00

12

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 320 degree

14

km/h

Humidity icon

83%

18:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 303 degree

15

km/h

Humidity icon

81%

19:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 297 degree

11

km/h

Humidity icon

79%

20:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 289 degree

12

km/h

Humidity icon

80%

21:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 287 degree

13

km/h

Humidity icon

75%

22:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 277 degree

13

km/h

Humidity icon

74%

23:00

13

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 270 degree

13

km/h

Humidity icon

74%

Mon

00:00

11

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 278 degree

16

km/h

Humidity icon

66%

01:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

65%

02:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 263 degree

11

km/h

Humidity icon

67%

03:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 281 degree

12

km/h

Humidity icon

66%

04:00

8

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 267 degree

11

km/h

Humidity icon

68%

05:00

9

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 264 degree

11

km/h

Humidity icon

69%

06:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 265 degree

11

km/h

Humidity icon

69%

07:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 270 degree

11

km/h

Humidity icon

65%

08:00

14

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 281 degree

13

km/h

Humidity icon

53%

09:00

12

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 283 degree

14

km/h

Humidity icon

44%

10:00

10

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 280 degree

14

km/h

Humidity icon

40%

Daily forecast

|

331-379 US-20, Waltham air quality index (AQI⁺) forecast

Today

52

Weather icon

18°

10°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

17

km/h

Humidity icon

86%

Sat

22

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

16

km/h

Humidity icon

90%

Sun

23

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

17

km/h

Humidity icon

85%

Air pollutants

What is the current air quality near 331-379 US-20?

IQAir exclamation icon

PM2.5 concentration is currently 2.3 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
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Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Real-time 331-379 US-20, Waltham air pollution map

Pollen

What is the pollen count in 331-379 US-20 today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast

Pollen

What is the pollen count in 331-379 US-20 today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast

History

Historic air quality graph for 331-379 US-20

55 AQI⁺ US
Moderate
10:00–11:00 Apr 17 
AQI⁺ US

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Most polluted locations near 331-379 US-20, Waltham

Worldwide AQI⁺ rankingarrow right icon

Station ranking

Real-time 331-379 US-20 AQI⁺ station ranking

#StationsAQI⁺ US
1
The national flag of USA

Moody St near the river

58

2
The national flag of USA

331-379 US-20

55

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Lone Pine, California

110

2
The national flag of USA

Avenal, California

106

3
The national flag of USA

Pahrump, Nevada

88

4
The national flag of USA

Klamath Falls, Oregon

70

5
The national flag of USA

Jurupa Valley, California

68

6
The national flag of USA

Olancha, California

68

7
The national flag of USA

Chelsea, Massachusetts

67

8
The national flag of USA

Corpus Christi, Texas

67

9
The national flag of USA

Bowling Green, Ohio

66

10
The national flag of USA

Pflugerville, Texas

64

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