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Air quality in San Marcos

Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 10 Followers • 15:00, Apr 23 Local time

53*

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

10.1 µg/m³

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31°

wind direction icon

4 km/h

weather humid icon

44 %

Hourly forecast

San Marcos air quality index (AQI⁺) forecast

Now

53

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 353 degree

4

km/h

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44%

16:00

53

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30°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

5

km/h

Humidity icon

49%

17:00

53

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29°

IQAir AirVisual Air Quality Map Wind rotating 274 degree

5

km/h

Humidity icon

55%

18:00

54

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27°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

4

km/h

Humidity icon

62%

19:00

54

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90%

25°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

4

km/h

Humidity icon

73%

20:00

54

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90%

24°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

4

km/h

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80%

21:00

55

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90%

23°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

5

km/h

Humidity icon

87%

22:00

55

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23°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

4

km/h

Humidity icon

89%

23:00

55

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22°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

3

km/h

Humidity icon

89%

Fri

00:00

56

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

3

km/h

Humidity icon

89%

01:00

56

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

2

km/h

Humidity icon

91%

02:00

56

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

2

km/h

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92%

03:00

56

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 177 degree

2

km/h

Humidity icon

93%

04:00

55

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21°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

1

km/h

Humidity icon

93%

05:00

54

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 142 degree

1

km/h

Humidity icon

93%

06:00

53

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22°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

1

km/h

Humidity icon

89%

07:00

52

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24°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

2

km/h

Humidity icon

74%

08:00

52

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27°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

4

km/h

Humidity icon

62%

09:00

52

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28°

IQAir AirVisual Air Quality Map Wind rotating 189 degree

5

km/h

Humidity icon

55%

10:00

52

Weather icon

90%

29°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

7

km/h

Humidity icon

55%

11:00

53

Weather icon

90%

28°

IQAir AirVisual Air Quality Map Wind rotating 193 degree

8

km/h

Humidity icon

57%

12:00

54

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90%

29°

IQAir AirVisual Air Quality Map Wind rotating 192 degree

9

km/h

Humidity icon

56%

13:00

54

Weather icon

90%

29°

IQAir AirVisual Air Quality Map Wind rotating 200 degree

11

km/h

Humidity icon

55%

14:00

54

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

10

km/h

Humidity icon

53%

15:00

55

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29°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

11

km/h

Humidity icon

52%

16:00

54

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 211 degree

12

km/h

Humidity icon

56%

17:00

53

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27°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

11

km/h

Humidity icon

64%

18:00

53

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25°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

9

km/h

Humidity icon

75%

19:00

53

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23°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

6

km/h

Humidity icon

82%

20:00

53

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23°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

5

km/h

Humidity icon

86%

21:00

54

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

5

km/h

Humidity icon

88%

22:00

55

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22°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

5

km/h

Humidity icon

91%

23:00

56

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22°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

4

km/h

Humidity icon

92%

Sat

00:00

57

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22°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

4

km/h

Humidity icon

93%

01:00

57

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22°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

4

km/h

Humidity icon

94%

02:00

57

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22°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

4

km/h

Humidity icon

92%

03:00

58

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

5

km/h

Humidity icon

90%

04:00

58

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22°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

4

km/h

Humidity icon

91%

05:00

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

3

km/h

Humidity icon

94%

06:00

59

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22°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

3

km/h

Humidity icon

93%

07:00

57

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24°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

5

km/h

Humidity icon

80%

08:00

55

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26°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

6

km/h

Humidity icon

66%

09:00

54

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28°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

8

km/h

Humidity icon

56%

10:00

55

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

9

km/h

Humidity icon

50%

11:00

56

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30°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

12

km/h

Humidity icon

49%

12:00

58

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

13

km/h

Humidity icon

53%

13:00

58

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

13

km/h

Humidity icon

48%

14:00

58

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

15

km/h

Humidity icon

48%

15:00

58

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

14

km/h

Humidity icon

50%

16:00

57

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29°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

14

km/h

Humidity icon

52%

17:00

56

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

13

km/h

Humidity icon

61%

18:00

56

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25°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

10

km/h

Humidity icon

74%

19:00

55

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24°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

8

km/h

Humidity icon

82%

20:00

55

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23°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

5

km/h

Humidity icon

88%

21:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

5

km/h

Humidity icon

91%

22:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

5

km/h

Humidity icon

93%

23:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

5

km/h

Humidity icon

94%

Sun

00:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

4

km/h

Humidity icon

94%

01:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

5

km/h

Humidity icon

94%

02:00

55

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

5

km/h

Humidity icon

94%

03:00

56

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

3

km/h

Humidity icon

95%

04:00

57

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 269 degree

3

km/h

Humidity icon

97%

05:00

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

3

km/h

Humidity icon

98%

06:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

2

km/h

Humidity icon

95%

07:00

58

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

5

km/h

Humidity icon

79%

08:00

57

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

7

km/h

Humidity icon

66%

09:00

57

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

8

km/h

Humidity icon

57%

10:00

58

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

9

km/h

Humidity icon

53%

11:00

59

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

10

km/h

Humidity icon

53%

12:00

60

Weather icon

90%

29°

IQAir AirVisual Air Quality Map Wind rotating 239 degree

10

km/h

Humidity icon

55%

13:00

60

Weather icon

90%

29°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

10

km/h

Humidity icon

56%

14:00

61

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

10

km/h

Humidity icon

54%

Daily forecast

|

San Marcos air quality index (AQI⁺) forecast

Today

53

Weather icon

32°

22°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

15

km/h

Humidity icon

60%

Fri

55

Weather icon

29°

22°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

12

km/h

Humidity icon

68%

Sat

57

Weather icon

30°

22°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

15

km/h

Humidity icon

67%

Air pollutants

What is the current air quality in San Marcos?

IQAir exclamation icon

PM2.5 concentration is currently 2 times the World Health Organization annual PM2.5 guideline value.

air quality map

Real-time San Marcos air pollution map

Health recommendations

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Sensitive groups should 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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Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in San Marcos

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

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
air quality map

Real-time San Marcos air pollution map

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

History

Historic air quality graph for San Marcos

53 AQI⁺ US
Moderate
15:00–16:00 Apr 23 Local time
AQI⁺ US

History

Historic air quality graph for San Marcos

53 AQI⁺ US
Moderate
15:00–16:00 Apr 23 Local time
AQI⁺ US

Most polluted locations near San Marcos

Worldwide AQI⁺ rankingArrow icon

Be the first to measure and contribute air quality data to your community

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Where is the cleanest air quality in San Marcos?

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