WorldArrow icon
Arrow iconHouston

Air quality in Houston

Air quality index (AQI⁺) and PM2.5 air pollution in Houston • 17 Followers • 12:00, Apr 17 Local time

Green Hills AQI Alert nearby

Green Hills AQI Alert nearby

View alert

23

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

4.1 µg/m³

weather condition icon

17°

wind direction icon

6 km/h

weather humid icon

86 %

Hourly forecast

Houston air quality index (AQI⁺) forecast

Now

23

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

6

km/h

Humidity icon

86%

13:00

26

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

3

km/h

Humidity icon

84%

14:00

30

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

3

km/h

Humidity icon

81%

15:00

33

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

7

km/h

Humidity icon

77%

16:00

36

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

8

km/h

Humidity icon

80%

17:00

36

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

6

km/h

Humidity icon

73%

18:00

39

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

3

km/h

Humidity icon

71%

19:00

41

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 92 degree

3

km/h

Humidity icon

71%

20:00

47

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

4

km/h

Humidity icon

77%

21:00

50

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

7

km/h

Humidity icon

80%

22:00

53

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

6

km/h

Humidity icon

85%

23:00

61

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 130 degree

7

km/h

Humidity icon

90%

Sat

00:00

65

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 148 degree

6

km/h

Humidity icon

93%

01:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

7

km/h

Humidity icon

92%

02:00

64

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

6

km/h

Humidity icon

95%

03:00

64

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

6

km/h

Humidity icon

94%

04:00

64

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

8

km/h

Humidity icon

90%

05:00

65

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

8

km/h

Humidity icon

88%

06:00

65

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

11

km/h

Humidity icon

87%

07:00

65

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

12

km/h

Humidity icon

86%

08:00

61

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

13

km/h

Humidity icon

80%

09:00

61

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 164 degree

15

km/h

Humidity icon

71%

10:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

17

km/h

Humidity icon

62%

11:00

53

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 181 degree

20

km/h

Humidity icon

54%

12:00

53

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

22

km/h

Humidity icon

49%

13:00

53

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 195 degree

23

km/h

Humidity icon

51%

14:00

33

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

26

km/h

Humidity icon

54%

15:00

33

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

26

km/h

Humidity icon

54%

16:00

33

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

27

km/h

Humidity icon

54%

17:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

21

km/h

Humidity icon

60%

18:00

60

Weather icon

90%

23°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

19

km/h

Humidity icon

81%

19:00

60

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

21

km/h

Humidity icon

70%

20:00

62

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

16

km/h

Humidity icon

95%

21:00

62

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

14

km/h

Humidity icon

95%

22:00

62

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

14

km/h

Humidity icon

90%

23:00

32

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 5 degree

17

km/h

Humidity icon

95%

Sun

00:00

32

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

27

km/h

Humidity icon

76%

01:00

32

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

22

km/h

Humidity icon

77%

02:00

17

Weather icon

90%

7°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

16

km/h

Humidity icon

83%

03:00

17

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

16

km/h

Humidity icon

84%

04:00

17

Weather icon

90%

5°

IQAir AirVisual Air Quality Map Wind rotating 302 degree

13

km/h

Humidity icon

86%

05:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

13

km/h

Humidity icon

86%

06:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 285 degree

12

km/h

Humidity icon

85%

07:00

9

Weather icon

90%

5°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

16

km/h

Humidity icon

76%

08:00

10

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 287 degree

13

km/h

Humidity icon

76%

09:00

10

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

22

km/h

Humidity icon

75%

10:00

10

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

26

km/h

Humidity icon

51%

11:00

7

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

29

km/h

Humidity icon

41%

12:00

7

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

30

km/h

Humidity icon

38%

13:00

7

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

29

km/h

Humidity icon

37%

14:00

9

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

29

km/h

Humidity icon

37%

15:00

9

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

27

km/h

Humidity icon

44%

16:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

28

km/h

Humidity icon

41%

17:00

10

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 282 degree

22

km/h

Humidity icon

48%

18:00

10

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

18

km/h

Humidity icon

51%

19:00

10

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

17

km/h

Humidity icon

62%

20:00

9

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 289 degree

10

km/h

Humidity icon

76%

21:00

9

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

11

km/h

Humidity icon

78%

22:00

9

Weather icon

5°

IQAir AirVisual Air Quality Map Wind rotating 336 degree

15

km/h

Humidity icon

88%

23:00

16

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

15

km/h

Humidity icon

93%

Mon

00:00

16

Weather icon

90%

3°

IQAir AirVisual Air Quality Map Wind rotating 329 degree

12

km/h

Humidity icon

99%

01:00

16

Weather icon

90%

3°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

4

km/h

Humidity icon

98%

02:00

18

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

9

km/h

Humidity icon

98%

03:00

18

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

9

km/h

Humidity icon

98%

04:00

18

Weather icon

80%

2°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

17

km/h

Humidity icon

97%

05:00

18

Weather icon

2°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

9

km/h

Humidity icon

92%

06:00

18

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

11

km/h

Humidity icon

96%

07:00

18

Weather icon

0°

IQAir AirVisual Air Quality Map Wind rotating 311 degree

9

km/h

Humidity icon

98%

08:00

14

Weather icon

1°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

11

km/h

Humidity icon

91%

09:00

14

Weather icon

3°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

12

km/h

Humidity icon

76%

10:00

14

Weather icon

4°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

14

km/h

Humidity icon

65%

11:00

7

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

17

km/h

Humidity icon

54%

Daily forecast

|

Houston air quality index (AQI⁺) forecast

Today

33

Weather icon

20°

14°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

12

km/h

Humidity icon

84%

Sat

58

Weather icon

27°

13°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

27

km/h

Humidity icon

70%

Sun

20

Weather icon

12°

5°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

30

km/h

Humidity icon

59%

Air pollutants

What is the current air quality in Houston?

IQAir Check icon

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

air quality map

Real-time Houston air pollution map

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 Houston 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 in Houston

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
air quality map

Real-time Houston air pollution map

Pollen

What is the pollen count in Houston 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 in Houston

Most polluted locations near Houston

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Houston

#StationsAQI⁺ US
1
The national flag of USA

1049-1019 Western Ave

23

2
The national flag of USA

Houston

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

106

2
The national flag of USA

Pahrump, Nevada

88

3
The national flag of USA

Palm Desert, California

78

4
The national flag of USA

Corpus Christi, Texas

65

5
The national flag of USA

Casa Grande, Arizona

64

6
The national flag of USA

Falmouth, Massachusetts

64

7
The national flag of USA

Klamath Falls, Oregon

64

8
The national flag of USA

Chelsea, Massachusetts

63

9
The national flag of USA

Highland Park, Texas

62

10
The national flag of USA

Boston, Massachusetts

60

History

Historic air quality graph for Houston

23 AQI⁺ US
Good
11:00–12:00 Apr 17 
AQI⁺ US

History

Historic air quality graph for Houston

23 AQI⁺ US
Good
11:00–12:00 Apr 17 
AQI⁺ US

Most polluted locations near Houston

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Houston

#StationsAQI⁺ US
1
The national flag of USA

1049-1019 Western Ave

23

2
The national flag of USA

Houston

23

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Avenal, California

106

2
The national flag of USA

Pahrump, Nevada

88

3
The national flag of USA

Palm Desert, California

78

4
The national flag of USA

Corpus Christi, Texas

65

5
The national flag of USA

Casa Grande, Arizona

64

6
The national flag of USA

Falmouth, Massachusetts

64

7
The national flag of USA

Klamath Falls, Oregon

64

8
The national flag of USA

Chelsea, Massachusetts

63

9
The national flag of USA

Highland Park, Texas

62

10
The national flag of USA

Boston, Massachusetts

60

Measure your own air quality

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

Get a monitorHow to contribute
Polluted skies over Cairo
external link icon

April 17, 2026: Cairo among top 10 most polluted cities in the world

Forest wrapped in a haze of smoke
external link icon

Wildfire Map Spotlight: Smoke Show Fire, Mississippi

external link icon

April 16, 2026: Chiang Mai among top 10 most polluted cities in the world

Where is the cleanest air quality in Houston?