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Air quality in Bethlehem

Air quality index (AQI⁺) and PM2.5 air pollution in Bethlehem • 1.2K Followers • 05:00, Dec 29 Local time

Bethlehem AQI Alert nearby

Bethlehem AQI Alert nearby

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108

US AQI⁺

Unhealthy for sensitive groups

face expression based on aqi value

Main pollutant:

PM2.5

38.5 µg/m³

weather condition icon

0°

wind direction icon

7.4 km/h

weather humid icon

86 %

Hourly forecast

Bethlehem air quality index (AQI⁺) forecast

Now

108

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

7.4

km/h

Humidity icon

86%

06:00

104

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

3.6

km/h

Humidity icon

89%

07:00

100

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

3.6

km/h

Humidity icon

92%

08:00

96

Weather icon

100%

3°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

3.6

km/h

Humidity icon

95%

09:00

92

Weather icon

100%

4°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

7.2

km/h

Humidity icon

98%

10:00

88

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 234 degree

10.8

km/h

Humidity icon

100%

11:00

85

Weather icon

100%

6°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

14.4

km/h

Humidity icon

98%

12:00

81

Weather icon

100%

7°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

18

km/h

Humidity icon

96%

13:00

75

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

28.8

km/h

Humidity icon

73%

14:00

71

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

36

km/h

Humidity icon

62%

15:00

67

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

32.4

km/h

Humidity icon

65%

16:00

31

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

36

km/h

Humidity icon

62%

17:00

24

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

32.4

km/h

Humidity icon

68%

18:00

24

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

28.8

km/h

Humidity icon

70%

19:00

11

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

28.8

km/h

Humidity icon

71%

20:00

11

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

28.8

km/h

Humidity icon

69%

21:00

11

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

28.8

km/h

Humidity icon

80%

22:00

12

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

28.8

km/h

Humidity icon

73%

23:00

12

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

28.8

km/h

Humidity icon

78%

Tue

00:00

12

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

28.8

km/h

Humidity icon

75%

01:00

7

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

32.4

km/h

Humidity icon

71%

02:00

7

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

32.4

km/h

Humidity icon

69%

03:00

7

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

32.4

km/h

Humidity icon

64%

04:00

6

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

32.4

km/h

Humidity icon

64%

05:00

6

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

32.4

km/h

Humidity icon

63%

06:00

6

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

28.8

km/h

Humidity icon

64%

07:00

6

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

28.8

km/h

Humidity icon

64%

08:00

6

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

28.8

km/h

Humidity icon

64%

09:00

6

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

28.8

km/h

Humidity icon

62%

10:00

6

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

28.8

km/h

Humidity icon

60%

11:00

6

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

28.8

km/h

Humidity icon

57%

12:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

28.8

km/h

Humidity icon

55%

13:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

28.8

km/h

Humidity icon

53%

14:00

6

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

28.8

km/h

Humidity icon

52%

15:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

28.8

km/h

Humidity icon

53%

16:00

6

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

28.8

km/h

Humidity icon

55%

17:00

6

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

25.2

km/h

Humidity icon

57%

18:00

6

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

25.2

km/h

Humidity icon

59%

19:00

7

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

21.6

km/h

Humidity icon

59%

20:00

7

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

21.6

km/h

Humidity icon

59%

21:00

7

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 273 degree

21.6

km/h

Humidity icon

61%

22:00

14

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

18

km/h

Humidity icon

64%

23:00

14

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

18

km/h

Humidity icon

65%

Wed

00:00

14

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

21.6

km/h

Humidity icon

62%

01:00

18

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

18

km/h

Humidity icon

62%

02:00

18

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

18

km/h

Humidity icon

65%

03:00

18

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

18

km/h

Humidity icon

68%

04:00

29

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

18

km/h

Humidity icon

68%

05:00

29

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

18

km/h

Humidity icon

67%

06:00

29

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

18

km/h

Humidity icon

78%

07:00

29

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

18

km/h

Humidity icon

85%

08:00

29

Weather icon

-3°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

18

km/h

Humidity icon

72%

09:00

29

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

21.6

km/h

Humidity icon

67%

10:00

29

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

21.6

km/h

Humidity icon

65%

11:00

29

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

21.6

km/h

Humidity icon

62%

12:00

29

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

21.6

km/h

Humidity icon

56%

13:00

51

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

21.6

km/h

Humidity icon

54%

14:00

51

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

21.6

km/h

Humidity icon

56%

15:00

51

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

18

km/h

Humidity icon

58%

16:00

52

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

18

km/h

Humidity icon

59%

17:00

52

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

14.4

km/h

Humidity icon

62%

18:00

52

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

14.4

km/h

Humidity icon

63%

19:00

41

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

18

km/h

Humidity icon

65%

20:00

41

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

18

km/h

Humidity icon

68%

21:00

41

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

18

km/h

Humidity icon

70%

22:00

21

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

21.6

km/h

Humidity icon

72%

23:00

21

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

18

km/h

Humidity icon

73%

Thu

00:00

21

Weather icon

-1°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

18

km/h

Humidity icon

83%

01:00

13

Weather icon

20%

-1°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

18

km/h

Humidity icon

77%

02:00

13

Weather icon

-2°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

18

km/h

Humidity icon

75%

03:00

13

Weather icon

-4°

IQAir AirVisual Air Quality Map Wind rotating 339 degree

14.4

km/h

Humidity icon

71%

04:00

9

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

14.4

km/h

Humidity icon

66%

05:00

9

Weather icon

-5°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

10.8

km/h

Humidity icon

63%

Daily forecast

|

Bethlehem air quality index (AQI⁺) forecast

Today

79

Weather icon

100%

7°

-2°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

36

km/h

Humidity icon

96%

Tue

8

Weather icon

0°

-4°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

32.4

km/h

Humidity icon

55%

Wed

29

Weather icon

0°

-4°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

21.6

km/h

Humidity icon

56%

Air pollutants

What is the current air quality in Bethlehem?

IQAir exclamation icon

PM2.5 concentration is currently 7.7 times the World Health Organization annual PM2.5 guideline value.

air quality map

Real-time Bethlehem air pollution map

Health recommendations

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Reduce outdoor exercise

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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
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Run an air purifier

Get an air purifier

Protect yourself from air pollution in Bethlehem

Shop IQAir products

HealthPro Series - Medical grade air purifiers

Atem Series - Smart air purifiers

AirVisual Series - Best air quality monitors

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Run an air purifier

Get an air purifier
air quality map

Real-time Bethlehem air pollution map

Protect yourself from air pollution in Bethlehem

Shop IQAir products

HealthPro Series - Medical grade air purifiers

Atem Series - Smart air purifiers

AirVisual Series - Best air quality monitors

Most polluted locations near Bethlehem

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time USA AQI⁺ station ranking

#StationsAQI⁺ US
1
The national flag of USA

American Way

132

2
The national flag of USA

1880 Stefko Blvd

129

3
The national flag of USA

W Broad St

127

4
The national flag of USA

Pine Top Trail

122

5
The national flag of USA

HanTwp B

110

6
The national flag of USA

HanTwp A

107

7
The national flag of USA

Research Drive

81

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Wynnedale, Indiana

224

2
The national flag of USA

Carmichael, California

152

3
The national flag of USA

Arden-Arcade, California

138

4
The national flag of USA

Bethlehem, Pennsylvania

122

5
The national flag of USA

Kingston, New York

118

6
The national flag of USA

Allentown, Pennsylvania

117

7
The national flag of USA

Coopersburg, Pennsylvania

115

8
The national flag of USA

Lakewood, Washington

110

9
The national flag of USA

Sacramento County, California

110

10
The national flag of USA

Nesquehoning, Pennsylvania

107

History

Historic air quality graph for Bethlehem

108 AQI⁺ US
Unhealthy for sensitive groups
04:00–05:00 Dec 29 Local time
AQI⁺ US
Polluted city skyline
external link icon

Pakistan Air Quality Alert

India gate in Delhi, India with polluted skies
external link icon

December 28, 2025: Delhi among top 10 most polluted cities in the world

external link icon

China Air Quality Alert

History

Historic air quality graph for Bethlehem

108 AQI⁺ US
Unhealthy for sensitive groups
04:00–05:00 Dec 29 Local time
AQI⁺ US
Polluted city skyline
external link icon

Pakistan Air Quality Alert

India gate in Delhi, India with polluted skies
external link icon

December 28, 2025: Delhi among top 10 most polluted cities in the world

external link icon

China Air Quality Alert

Most polluted locations near Bethlehem

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time USA AQI⁺ station ranking

#StationsAQI⁺ US
1
The national flag of USA

American Way

132

2
The national flag of USA

1880 Stefko Blvd

129

3
The national flag of USA

W Broad St

127

4
The national flag of USA

Pine Top Trail

122

5
The national flag of USA

HanTwp B

110

6
The national flag of USA

HanTwp A

107

7
The national flag of USA

Research Drive

81

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Wynnedale, Indiana

224

2
The national flag of USA

Carmichael, California

152

3
The national flag of USA

Arden-Arcade, California

138

4
The national flag of USA

Bethlehem, Pennsylvania

122

5
The national flag of USA

Kingston, New York

118

6
The national flag of USA

Allentown, Pennsylvania

117

7
The national flag of USA

Coopersburg, Pennsylvania

115

8
The national flag of USA

Lakewood, Washington

110

9
The national flag of USA

Sacramento County, California

110

10
The national flag of USA

Nesquehoning, Pennsylvania

107

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