WorldArrow icon
Arrow iconSan Marcos

Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 936 Followers • 18:00, Nov 05 Local time

20

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

3.6 µg/m³

weather condition icon

24°

wind direction icon

7 km/h

weather humid icon

60 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

20

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

7

km/h

Humidity icon

60%

19:00

21

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 195 degree

8

km/h

Humidity icon

62%

20:00

22

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

8

km/h

Humidity icon

64%

21:00

24

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

8

km/h

Humidity icon

65%

22:00

26

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

11

km/h

Humidity icon

63%

23:00

27

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

22

km/h

Humidity icon

51%

Fri

00:00

38

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

26

km/h

Humidity icon

51%

01:00

40

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

25

km/h

Humidity icon

66%

02:00

43

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

25

km/h

Humidity icon

75%

03:00

49

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

25

km/h

Humidity icon

74%

04:00

53

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 340 degree

25

km/h

Humidity icon

73%

05:00

56

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

25

km/h

Humidity icon

73%

06:00

65

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

25

km/h

Humidity icon

75%

07:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

24

km/h

Humidity icon

76%

08:00

65

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

26

km/h

Humidity icon

72%

09:00

63

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 351 degree

26

km/h

Humidity icon

65%

10:00

63

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

23

km/h

Humidity icon

58%

11:00

63

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

20

km/h

Humidity icon

52%

12:00

62

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

17

km/h

Humidity icon

47%

13:00

62

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

15

km/h

Humidity icon

43%

14:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

14

km/h

Humidity icon

40%

15:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

14

km/h

Humidity icon

40%

16:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

13

km/h

Humidity icon

40%

17:00

60

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

13

km/h

Humidity icon

46%

18:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

13

km/h

Humidity icon

56%

19:00

58

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 358 degree

13

km/h

Humidity icon

61%

20:00

58

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 356 degree

12

km/h

Humidity icon

65%

21:00

59

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 357 degree

11

km/h

Humidity icon

67%

22:00

59

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

12

km/h

Humidity icon

68%

23:00

59

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

13

km/h

Humidity icon

70%

Sat

00:00

60

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

13

km/h

Humidity icon

72%

01:00

60

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

14

km/h

Humidity icon

72%

02:00

60

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

14

km/h

Humidity icon

74%

03:00

57

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

13

km/h

Humidity icon

73%

04:00

57

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 348 degree

13

km/h

Humidity icon

73%

05:00

57

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

13

km/h

Humidity icon

76%

06:00

59

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 347 degree

13

km/h

Humidity icon

77%

07:00

59

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 352 degree

12

km/h

Humidity icon

78%

08:00

59

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

13

km/h

Humidity icon

73%

09:00

61

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

14

km/h

Humidity icon

66%

10:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 30 degree

12

km/h

Humidity icon

59%

11:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

11

km/h

Humidity icon

56%

12:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

11

km/h

Humidity icon

55%

13:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 73 degree

9

km/h

Humidity icon

57%

14:00

61

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 121 degree

10

km/h

Humidity icon

58%

15:00

63

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

11

km/h

Humidity icon

68%

16:00

63

Weather icon

70%

19°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

6

km/h

Humidity icon

79%

17:00

63

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 65 degree

8

km/h

Humidity icon

80%

18:00

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

7

km/h

Humidity icon

81%

19:00

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

9

km/h

Humidity icon

82%

20:00

55

Weather icon

70%

18°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

16

km/h

Humidity icon

90%

21:00

58

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 48 degree

15

km/h

Humidity icon

89%

22:00

58

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

15

km/h

Humidity icon

90%

23:00

58

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 43 degree

15

km/h

Humidity icon

90%

Sun

00:00

53

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 37 degree

18

km/h

Humidity icon

90%

01:00

53

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

19

km/h

Humidity icon

90%

02:00

53

Weather icon

80%

15°

IQAir AirVisual Air Quality Map Wind rotating 57 degree

18

km/h

Humidity icon

92%

03:00

54

Weather icon

90%

15°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

11

km/h

Humidity icon

93%

04:00

54

Weather icon

80%

15°

IQAir AirVisual Air Quality Map Wind rotating 63 degree

21

km/h

Humidity icon

96%

05:00

54

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

18

km/h

Humidity icon

96%

06:00

57

Weather icon

70%

14°

IQAir AirVisual Air Quality Map Wind rotating 46 degree

24

km/h

Humidity icon

96%

07:00

57

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

19

km/h

Humidity icon

96%

08:00

57

Weather icon

80%

14°

IQAir AirVisual Air Quality Map Wind rotating 70 degree

22

km/h

Humidity icon

96%

09:00

63

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 41 degree

29

km/h

Humidity icon

98%

10:00

63

Weather icon

90%

14°

IQAir AirVisual Air Quality Map Wind rotating 86 degree

14

km/h

Humidity icon

97%

11:00

63

Weather icon

80%

14°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

18

km/h

Humidity icon

97%

12:00

63

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

19

km/h

Humidity icon

96%

13:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 75 degree

20

km/h

Humidity icon

96%

14:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 51 degree

14

km/h

Humidity icon

96%

15:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

12

km/h

Humidity icon

94%

16:00

63

Weather icon

70%

15°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

15

km/h

Humidity icon

96%

17:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

20

km/h

Humidity icon

97%

Daily forecast

|

San Marcos air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in San Marcos?

IQAir Check icon

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

Health recommendations

Protect yourself from air pollution in San Marcos

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

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

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in San Marcos

Health recommendations

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

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in San Marcos

Protect yourself from air pollution in San Marcos

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

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

28

2
The national flag of USA

Hays County Health Department

20

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Ravalli County, Montana

107

2
The national flag of USA

Harris, Texas

101

3
The national flag of USA

Pend Oreille County, Washington

99

4
The national flag of USA

Houston, Texas

98

5
The national flag of USA

Sandpoint, Idaho

96

6
The national flag of USA

Delano, California

95

7
The national flag of USA

East Wenatchee, Washington

95

8
The national flag of USA

Matheny, California

95

9
The national flag of USA

Quincy, Washington

94

10
The national flag of USA

Country Homes, Washington

93

History

Historic air quality graph for San Marcos

20 AQI⁺ US
Good
17:00–18:00 Nov 05 Local time
AQI⁺ US

History

Historic air quality graph for San Marcos

20 AQI⁺ US
Good
17:00–18:00 Nov 05 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

28

2
The national flag of USA

Hays County Health Department

20

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Ravalli County, Montana

107

2
The national flag of USA

Harris, Texas

101

3
The national flag of USA

Pend Oreille County, Washington

99

4
The national flag of USA

Houston, Texas

98

5
The national flag of USA

Sandpoint, Idaho

96

6
The national flag of USA

Delano, California

95

7
The national flag of USA

East Wenatchee, Washington

95

8
The national flag of USA

Matheny, California

95

9
The national flag of USA

Quincy, Washington

94

10
The national flag of USA

Country Homes, Washington

93

Measure your own air quality

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

Begin your journey for cleaner air #IQAir

Where is the cleanest air quality in San Marcos?