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Air quality in Castro

Air quality index (AQI⁺) and PM2.5 air pollution in Castro • 14 Followers • 09:00, May 10 Local time

33*

US AQI⁺

Good

Main pollutant:

PM2.5

6 µg/m³

7°

14 km/h

91 %

Hourly forecast

Castro air quality index (AQI⁺) forecast

Now

7°

km/h

91%

11:00

7°

km/h

87%

12:00

10°

km/h

70%

13:00

11°

km/h

61%

14:00

11°

km/h

69%

15:00

13°

km/h

56%

16:00

14°

km/h

58%

17:00

12°

km/h

71%

18:00

9°

km/h

76%

19:00

8°

km/h

75%

20:00

7°

km/h

76%

21:00

6°

km/h

83%

22:00

6°

km/h

85%

23:00

5°

km/h

86%

Mon

00:00

5°

km/h

89%

01:00

4°

km/h

92%

02:00

4°

km/h

93%

03:00

3°

km/h

91%

04:00

3°

km/h

89%

05:00

3°

km/h

89%

06:00

2°

km/h

88%

07:00

2°

km/h

88%

08:00

5°

km/h

77%

09:00

8°

km/h

64%

10:00

11°

km/h

52%

11:00

13°

km/h

45%

12:00

15°

km/h

41%

13:00

16°

km/h

40%

14:00

16°

km/h

42%

15:00

16°

km/h

47%

16:00

15°

km/h

55%

17:00

13°

km/h

69%

18:00

9°

km/h

75%

19:00

8°

km/h

73%

20:00

8°

km/h

68%

21:00

8°

km/h

68%

22:00

7°

km/h

66%

23:00

7°

km/h

66%

Tue

00:00

7°

km/h

68%

01:00

6°

km/h

69%

02:00

6°

km/h

74%

03:00

5°

km/h

76%

04:00

5°

km/h

77%

05:00

5°

km/h

77%

06:00

4°

km/h

78%

07:00

4°

km/h

76%

08:00

7°

km/h

72%

09:00

11°

km/h

66%

10:00

13°

km/h

60%

11:00

15°

km/h

55%

12:00

17°

km/h

49%

13:00

18°

km/h

45%

14:00

19°

km/h

41%

15:00

19°

km/h

40%

16:00

19°

km/h

48%

17:00

16°

km/h

65%

18:00

12°

km/h

76%

19:00

11°

km/h

77%

20:00

10°

km/h

77%

21:00

10°

km/h

77%

22:00

10°

km/h

78%

23:00

9°

km/h

78%

Wed

00:00

9°

km/h

78%

01:00

9°

km/h

78%

02:00

8°

km/h

77%

03:00

8°

km/h

76%

04:00

8°

km/h

74%

05:00

8°

km/h

73%

06:00

8°

km/h

67%

07:00

8°

km/h

66%

08:00

11°

km/h

69%

09:00

14°

km/h

59%

Daily forecast

Castro air quality index (AQI⁺) forecast

Today

14°

6°

km/h

78%

Mon

16°

2°

km/h

62%

Tue

19°

4°

km/h

64%

Air pollutants

What is the current air quality in Castro?

PM2.5 concentration is currently 1.2 times the World Health Organization annual PM2.5 guideline value.

Real-time Castro 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 Castro

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Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Castro air pollution map

Protect yourself from air pollution in Castro

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