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Air quality in San Juan

Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 12 Followers • 03:00, Sep 18 Local time

US AQI⁺

Good

Main pollutant:

O₃

73 µg/m³

13°

6 km/h

99 %

Hourly forecast

San Juan air quality index (AQI⁺) forecast

Now

13°

km/h

99%

04:00

13°

km/h

99%

05:00

13°

km/h

99%

06:00

13°

km/h

99%

07:00

80%

13°

km/h

99%

08:00

90%

14°

km/h

99%

09:00

80%

14°

km/h

99%

10:00

14°

km/h

98%

11:00

15°

km/h

98%

12:00

16°

km/h

95%

13:00

17°

km/h

88%

14:00

70%

19°

km/h

72%

15:00

21°

km/h

58%

16:00

20°

km/h

58%

17:00

21°

km/h

50%

18:00

21°

km/h

45%

19:00

19°

km/h

52%

20:00

18°

km/h

63%

21:00

16°

km/h

85%

22:00

16°

km/h

83%

23:00

14°

km/h

96%

Sat

00:00

70%

14°

km/h

99%

01:00

13°

km/h

99%

02:00

13°

km/h

99%

03:00

70%

13°

km/h

99%

04:00

13°

km/h

99%

05:00

13°

km/h

99%

06:00

12°

km/h

99%

07:00

12°

km/h

99%

08:00

12°

km/h

98%

09:00

13°

km/h

95%

10:00

16°

km/h

77%

11:00

17°

km/h

68%

12:00

18°

km/h

65%

13:00

20°

km/h

54%

14:00

21°

km/h

39%

15:00

21°

km/h

41%

16:00

21°

km/h

39%

17:00

21°

km/h

42%

18:00

20°

km/h

46%

19:00

19°

km/h

46%

20:00

17°

km/h

38%

21:00

17°

km/h

30%

22:00

17°

km/h

35%

23:00

16°

km/h

43%

Sun

00:00

15°

km/h

53%

01:00

14°

km/h

55%

02:00

14°

km/h

60%

03:00

14°

km/h

60%

04:00

13°

km/h

62%

05:00

13°

km/h

64%

06:00

13°

km/h

68%

07:00

12°

km/h

28%

08:00

13°

km/h

30%

09:00

16°

km/h

24%

10:00

18°

km/h

21%

11:00

19°

km/h

20%

12:00

20°

km/h

18%

13:00

21°

km/h

15%

14:00

22°

km/h

14%

15:00

22°

km/h

13%

16:00

22°

km/h

13%

17:00

22°

km/h

13%

18:00

21°

km/h

14%

19:00

19°

km/h

18%

20:00

17°

km/h

20%

21:00

16°

km/h

22%

22:00

16°

km/h

22%

23:00

16°

km/h

22%

Mon

00:00

16°

km/h

22%

01:00

15°

km/h

23%

02:00

15°

km/h

24%

Daily forecast

San Juan air quality index (AQI⁺) forecast

Today

21°

13°

km/h

79%

Sat

21°

12°

km/h

59%

Sun

22°

12°

km/h

22%

Air pollutants

What is the current air quality in San Juan?

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

Real-time San Juan air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in San Juan

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in San Juan today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast in San Juan

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Juan air pollution map

Pollen

What is the pollen count in San Juan today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast in San Juan

Protect yourself from air pollution in San Juan

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near San Juan

Worldwide AQI⁺ ranking

Station ranking

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

#	Stations	AQI⁺ US
1	Canyonlands National Park - Island in the Sky	30
2	Canyonlands NP	29
3	ISKY Air Quality Station, CANY	20
4	Grand Gulch Wilderness Study Area	8
5	Natural Bridges National Monument - Visitor Center	8
6	San Juan County	7

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Mono, California	128
2	Glenn, California	110
3	Avenal, California	105
4	Crestline, California	102
5	Helena, Montana	88
6	Victorville, California	88
7	Jackson, Mississippi	83
8	Bakersfield, California	76
9	Camden, New Jersey	73
10	Bethlehem, Pennsylvania	72

History

Historic air quality graph for San Juan

34 AQI⁺ US

Good

02:00–03:00 Sep 18 Local time

AQI⁺ US

History

Historic air quality graph for San Juan

34 AQI⁺ US

Good

02:00–03:00 Sep 18 Local time

AQI⁺ US

Most polluted locations near San Juan

Worldwide AQI⁺ ranking

Station ranking

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

#	Stations	AQI⁺ US
1	Canyonlands National Park - Island in the Sky	30
2	Canyonlands NP	29
3	ISKY Air Quality Station, CANY	20
4	Grand Gulch Wilderness Study Area	8
5	Natural Bridges National Monument - Visitor Center	8
6	San Juan County	7

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Mono, California	128
2	Glenn, California	110
3	Avenal, California	105
4	Crestline, California	102
5	Helena, Montana	88
6	Victorville, California	88
7	Jackson, Mississippi	83
8	Bakersfield, California	76
9	Camden, New Jersey	73
10	Bethlehem, Pennsylvania	72