Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 786 Followers • 05:00, Apr 17 Local time

58

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

12.8 µg/m³

weather condition icon

21°

wind direction icon

12 km/h

weather humid icon

98 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

12

km/h

Humidity icon

98%

06:00

58

Weather icon

70%

21°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

14

km/h

Humidity icon

99%

07:00

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

14

km/h

Humidity icon

98%

08:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

13

km/h

Humidity icon

99%

09:00

59

Weather icon

90%

22°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

16

km/h

Humidity icon

98%

10:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

16

km/h

Humidity icon

96%

11:00

59

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

19

km/h

Humidity icon

92%

12:00

59

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

18

km/h

Humidity icon

91%

13:00

59

Weather icon

90%

25°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

16

km/h

Humidity icon

86%

14:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

23

km/h

Humidity icon

81%

15:00

60

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

24

km/h

Humidity icon

64%

16:00

60

Weather icon

90%

26°

IQAir AirVisual Air Quality Map Wind rotating 155 degree

22

km/h

Humidity icon

72%

17:00

60

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

25

km/h

Humidity icon

82%

18:00

60

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

27

km/h

Humidity icon

60%

19:00

58

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

28

km/h

Humidity icon

56%

20:00

58

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

24

km/h

Humidity icon

69%

21:00

58

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

23

km/h

Humidity icon

83%

22:00

58

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

21

km/h

Humidity icon

85%

23:00

58

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

24

km/h

Humidity icon

87%

Sat

00:00

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

23

km/h

Humidity icon

89%

01:00

57

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

21

km/h

Humidity icon

89%

02:00

57

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

19

km/h

Humidity icon

92%

03:00

57

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 185 degree

15

km/h

Humidity icon

95%

04:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 187 degree

12

km/h

Humidity icon

96%

05:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 182 degree

11

km/h

Humidity icon

97%

06:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

9

km/h

Humidity icon

97%

07:00

59

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 192 degree

7

km/h

Humidity icon

97%

08:00

59

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

8

km/h

Humidity icon

96%

09:00

59

Weather icon

90%

21°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

13

km/h

Humidity icon

95%

10:00

61

Weather icon

90%

19°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

26

km/h

Humidity icon

94%

11:00

61

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

28

km/h

Humidity icon

85%

12:00

61

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 3 degree

29

km/h

Humidity icon

86%

13:00

59

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 4 degree

32

km/h

Humidity icon

81%

14:00

59

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 9 degree

30

km/h

Humidity icon

78%

15:00

59

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

27

km/h

Humidity icon

82%

16:00

53

Weather icon

90%

13°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

30

km/h

Humidity icon

82%

17:00

53

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 11 degree

28

km/h

Humidity icon

86%

18:00

53

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 357 degree

27

km/h

Humidity icon

93%

19:00

55

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

30

km/h

Humidity icon

90%

20:00

55

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

23

km/h

Humidity icon

88%

21:00

55

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 8 degree

28

km/h

Humidity icon

85%

22:00

59

Weather icon

90%

12°

IQAir AirVisual Air Quality Map Wind rotating 16 degree

27

km/h

Humidity icon

77%

23:00

59

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

28

km/h

Humidity icon

74%

Sun

00:00

59

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 18 degree

28

km/h

Humidity icon

81%

01:00

57

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 26 degree

25

km/h

Humidity icon

86%

02:00

57

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

21

km/h

Humidity icon

92%

03:00

57

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

16

km/h

Humidity icon

91%

04:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

11

km/h

Humidity icon

95%

05:00

26

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 29 degree

16

km/h

Humidity icon

89%

06:00

26

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

16

km/h

Humidity icon

91%

07:00

17

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 22 degree

17

km/h

Humidity icon

88%

08:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 36 degree

25

km/h

Humidity icon

59%

09:00

17

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

28

km/h

Humidity icon

58%

10:00

14

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

27

km/h

Humidity icon

50%

11:00

14

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

28

km/h

Humidity icon

39%

12:00

14

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

28

km/h

Humidity icon

31%

13:00

10

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

26

km/h

Humidity icon

26%

14:00

10

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

24

km/h

Humidity icon

25%

15:00

10

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 68 degree

22

km/h

Humidity icon

25%

16:00

10

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

21

km/h

Humidity icon

26%

17:00

10

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

18

km/h

Humidity icon

26%

18:00

10

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 81 degree

17

km/h

Humidity icon

31%

19:00

12

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

15

km/h

Humidity icon

36%

20:00

12

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 111 degree

11

km/h

Humidity icon

48%

21:00

12

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 118 degree

8

km/h

Humidity icon

55%

22:00

18

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

5

km/h

Humidity icon

57%

23:00

18

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

4

km/h

Humidity icon

55%

Mon

00:00

18

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

6

km/h

Humidity icon

51%

01:00

47

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 67 degree

5

km/h

Humidity icon

52%

02:00

47

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 96 degree

6

km/h

Humidity icon

54%

03:00

47

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 82 degree

5

km/h

Humidity icon

56%

04:00

58

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 61 degree

7

km/h

Humidity icon

55%

Daily forecast

|

San Marcos air quality index (AQI⁺) forecast

Today

59

Weather icon

28°

21°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

28

km/h

Humidity icon

83%

Sat

58

Weather icon

90%

21°

11°

IQAir AirVisual Air Quality Map Wind rotating 0 degree

32

km/h

Humidity icon

88%

Sun

31

Weather icon

23°

10°

IQAir AirVisual Air Quality Map Wind rotating 45 degree

28

km/h

Humidity icon

45%

Air pollutants

What is the current air quality in San Marcos?

IQAir exclamation icon

PM2.5 concentration is currently 2.6 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
common.healthRecommendationComp.icons.maskAlt

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

Pollen

What is the pollen count in San Marcos today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in San Marcos

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
common.healthRecommendationComp.icons.maskAlt

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

Pollen

What is the pollen count in San Marcos today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

Low

25%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in San Marcos

Most polluted locations near San Marcos

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in San Marcos

#StationsAQI⁺ US
1
The national flag of USA

CAPCOG San Marcos Staples Road

61

2
The national flag of USA

Hays County Health Department

58

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Lone Pine, California

188

2
The national flag of USA

Avenal, California

105

3
The national flag of USA

Hammond, Indiana

79

4
The national flag of USA

Romeoville, Illinois

79

5
The national flag of USA

Fuquay-Varina, North Carolina

77

6
The national flag of USA

Corpus Christi, Texas

75

7
The national flag of USA

Providence, Rhode Island

73

8
The national flag of USA

Pahrump, Nevada

72

9
The national flag of USA

Bridgeport, Connecticut

69

10
The national flag of USA

Campo, California

69

History

Historic air quality graph for San Marcos

58 AQI⁺ US
Moderate
04:00–05:00 Apr 17 Local time
AQI⁺ US

History

Historic air quality graph for San Marcos

58 AQI⁺ US
Moderate
04:00–05:00 Apr 17 Local time
AQI⁺ US

Most polluted locations near San Marcos

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in San Marcos

#StationsAQI⁺ US
1
The national flag of USA

CAPCOG San Marcos Staples Road

61

2
The national flag of USA

Hays County Health Department

58

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Lone Pine, California

188

2
The national flag of USA

Avenal, California

105

3
The national flag of USA

Hammond, Indiana

79

4
The national flag of USA

Romeoville, Illinois

79

5
The national flag of USA

Fuquay-Varina, North Carolina

77

6
The national flag of USA

Corpus Christi, Texas

75

7
The national flag of USA

Providence, Rhode Island

73

8
The national flag of USA

Pahrump, Nevada

72

9
The national flag of USA

Bridgeport, Connecticut

69

10
The national flag of USA

Campo, California

69

Measure your own air quality

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

Where is the cleanest air quality in San Marcos?