Portola Hts - 5 Points

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Air quality near Portola Hts - 5 Points, San Mateo County

Air quality index (AQI⁺) and PM2.5 air pollution near Portola Hts - 5 Points, San Mateo County • 1 Follower • 17:00, Sep 30

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

5.3 µg/m³

26°

6 km/h

48 %

Data source: PurpleAir

Hourly forecast

Portola Hts - 5 Points, San Mateo County air quality index (AQI⁺) forecast

Now

26°

km/h

48%

18:00

24°

km/h

52%

19:00

22°

km/h

58%

20:00

21°

km/h

58%

21:00

21°

km/h

61%

22:00

20°

km/h

65%

23:00

20°

km/h

57%

Thu

00:00

20°

km/h

53%

01:00

19°

km/h

55%

02:00

19°

km/h

58%

03:00

19°

km/h

54%

04:00

19°

km/h

52%

05:00

19°

km/h

53%

06:00

19°

km/h

52%

07:00

19°

km/h

50%

08:00

19°

km/h

51%

09:00

20°

km/h

53%

10:00

22°

km/h

47%

11:00

25°

km/h

43%

12:00

26°

km/h

41%

13:00

28°

km/h

37%

14:00

28°

km/h

38%

15:00

28°

km/h

47%

16:00

27°

km/h

52%

17:00

26°

km/h

53%

18:00

25°

km/h

53%

19:00

23°

km/h

56%

20:00

22°

km/h

54%

21:00

21°

km/h

51%

22:00

20°

km/h

48%

23:00

20°

km/h

47%

Fri

00:00

21°

km/h

41%

01:00

21°

km/h

40%

02:00

20°

km/h

40%

03:00

20°

km/h

37%

04:00

20°

km/h

35%

05:00

20°

km/h

36%

06:00

21°

km/h

32%

07:00

20°

km/h

34%

08:00

21°

km/h

33%

09:00

23°

km/h

34%

10:00

24°

km/h

39%

11:00

27°

km/h

31%

12:00

29°

km/h

30%

13:00

30°

km/h

31%

14:00

28°

km/h

45%

15:00

28°

km/h

43%

16:00

28°

km/h

41%

17:00

27°

km/h

41%

18:00

24°

km/h

36%

19:00

20°

km/h

49%

20:00

19°

km/h

50%

21:00

18°

km/h

50%

22:00

18°

km/h

49%

23:00

17°

km/h

52%

Sat

00:00

16°

km/h

52%

01:00

16°

km/h

51%

02:00

16°

km/h

48%

03:00

16°

km/h

48%

04:00

16°

km/h

47%

05:00

16°

km/h

47%

06:00

16°

km/h

46%

07:00

16°

km/h

47%

08:00

19°

km/h

43%

09:00

23°

km/h

32%

10:00

27°

km/h

25%

11:00

30°

km/h

20%

12:00

32°

km/h

17%

13:00

33°

km/h

16%

14:00

33°

km/h

15%

15:00

33°

km/h

16%

16:00

32°

km/h

17%

Daily forecast

Portola Hts - 5 Points, San Mateo County air quality index (AQI⁺) forecast

Today

28°

19°

km/h

49%

Thu

30°

18°

km/h

39%

Fri

33°

16°

km/h

30%

Air pollutants

What is the current air quality near Portola Hts - 5 Points?

PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

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Real-time Portola Hts - 5 Points, San Mateo County air pollution map

Pollen

What is the pollen count in Portola Hts - 5 Points today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in Portola Hts - 5 Points today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Portola Hts - 5 Points

29 AQI⁺ US

Good

16:00–17:00 Sep 30

AQI⁺ US

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Most polluted locations near Portola Hts - 5 Points, San Mateo County

Worldwide AQI⁺ ranking

Station ranking

Real-time Portola Hts - 5 Points AQI⁺ station ranking

#	Stations	AQI⁺ US
1	265 Old Spanish Trail	36
2	920 Bear Gulch Road	36
3	Arlington Way	34
4	Belle Roche Court	33
5	Alexander Avenue	32
6	Dirt Alpine	31
7	Burlingame Hills	28
8	Alpine Road	26
9	480 Tunitas Creek Road	22
10	Bear Gulch Road	16

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	New Canaan, Connecticut	262
2	Clovis, California	110
3	Nashville, Tennessee	102
4	Tracy, California	101
5	Sacramento County, California	96
6	Charlotte, North Carolina	95
7	Chattanooga, Tennessee	95
8	Turlock, California	95
9	North Auburn, California	91
10	Wilson County, Tennessee	91