Add

Air quality near Altadena, Pasadena

Air quality index (AQI⁺) and PM2.5 air pollution near Altadena, Pasadena • 8 Followers • 06:00, May 10 Local time

Rosemead AQI Alert nearby

View alert

129

US AQI⁺

Unhealthy for sensitive groups

Main pollutant:

PM2.5

47 µg/m³

21°

3 km/h

41 %

Hourly forecast

Altadena, Pasadena air quality index (AQI⁺) forecast

Now

129

21°

km/h

41%

07:00

123

21°

km/h

36%

08:00

118

22°

km/h

37%

09:00

112

23°

km/h

44%

10:00

107

25°

km/h

50%

11:00

26°

km/h

52%

12:00

27°

km/h

48%

13:00

28°

km/h

46%

14:00

28°

km/h

41%

15:00

29°

km/h

38%

16:00

28°

km/h

43%

17:00

27°

km/h

51%

18:00

26°

km/h

62%

19:00

25°

km/h

71%

20:00

23°

km/h

77%

21:00

23°

km/h

77%

22:00

22°

km/h

74%

23:00

22°

km/h

65%

Mon

00:00

22°

km/h

59%

01:00

23°

km/h

36%

02:00

23°

km/h

14%

03:00

23°

km/h

04:00

23°

km/h

05:00

23°

km/h

06:00

23°

km/h

07:00

25°

km/h

08:00

26°

km/h

09:00

28°

km/h

10:00

30°

km/h

15%

11:00

30°

km/h

30%

12:00

30°

km/h

50%

13:00

31°

km/h

63%

14:00

31°

km/h

54%

15:00

31°

km/h

49%

16:00

31°

km/h

43%

17:00

31°

km/h

35%

18:00

30°

km/h

33%

19:00

29°

km/h

34%

20:00

27°

km/h

40%

21:00

26°

km/h

38%

22:00

25°

km/h

33%

23:00

24°

km/h

31%

Tue

00:00

24°

km/h

20%

01:00

25°

km/h

13%

02:00

25°

km/h

15%

03:00

24°

km/h

17%

04:00

23°

km/h

18%

05:00

21°

km/h

32%

06:00

19°

km/h

61%

07:00

19°

km/h

69%

08:00

21°

km/h

61%

09:00

22°

km/h

55%

10:00

23°

km/h

51%

11:00

24°

km/h

47%

12:00

25°

km/h

43%

13:00

26°

km/h

38%

14:00

26°

km/h

35%

15:00

26°

km/h

33%

16:00

26°

km/h

31%

17:00

26°

km/h

32%

18:00

25°

km/h

34%

19:00

23°

km/h

36%

20:00

22°

km/h

42%

21:00

20°

km/h

48%

22:00

20°

km/h

54%

23:00

19°

km/h

58%

Wed

00:00

18°

km/h

61%

01:00

18°

km/h

64%

02:00

17°

km/h

66%

03:00

17°

km/h

67%

04:00

16°

km/h

70%

05:00

16°

km/h

69%

Daily forecast

Altadena, Pasadena air quality index (AQI⁺) forecast

Today

100

29°

21°

km/h

52%

Mon

31°

23°

km/h

31%

Tue

26°

19°

km/h

45%

Air pollutants

What is the current air quality near Altadena?

PM2.5 concentration is currently 9.4 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Reduce outdoor exercise

Close your windows to avoid dirty outdoor air

Get a monitor

Sensitive groups should wear a mask outdoors

Get a mask

Run an air purifier

Get an air purifier

Real-time Altadena, Pasadena air pollution map

Pollen

What is the pollen count in Altadena today?

Index

High

Tree Low	25%
Grass High	75%
Weed None	0%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in Altadena

SHOP IQAIR PRODUCTS

Air_Monitors_v2_image_728x968px_ee9cbf0e-d125-414e-9f79-215cfaad62c0.jpg

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

Air_Purifirer_v2_image_728x968px_5720fd5a-7baf-484e-bd44-931e213c7066.jpg

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 Altadena today?

Index

High

Tree Low	25%
Grass High	75%
Weed None	0%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Altadena

129 AQI⁺ US

Unhealthy for sensitive groups

05:00–06:00 May 10 Local time

AQI⁺ US

Measure your own air quality

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

Get a monitor How to contribute

Most polluted locations near Altadena, Pasadena

Worldwide AQI⁺ ranking

Station ranking

Real-time Altadena AQI⁺ station ranking

#	Stations	AQI⁺ US
1	1275 N Holliston Ave	153
2	Bungalow Heaven	151
3	Altadena	129
4	1077-1013 N Arroyo Blvd	104
5	1680 La Cresta Dr	100
6	3800-3998 Skycrest Dr	97
7	3635 Cartwright St	95
8	542 E Elizabeth St	92
9	780 Florecita Terrace	83
10	California Institute of Technology	69

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Burbank, Los Angeles County, California	110
2	San Marino, California	110
3	East Pasadena, California	104
4	Glendora, California	104
5	Pasadena, California	97
6	Sumas, Washington	97
7	Altadena, California	95
8	Imperial Beach, California	94
9	Claremont, California	93
10	Jersey City, New Jersey	93