WorldArrow icon
Arrow iconContra Costa County

Air quality in Contra Costa County

Air quality index (AQI⁺) and PM2.5 air pollution in Contra Costa County • 11:00, Sep 30

Brad BlackwellAnonymous contributor

27

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

4.8 µg/m³

weather condition icon

25°

wind direction icon

5 km/h

weather humid icon

37 %

Brad BlackwellAnonymous contributor

Hourly forecast

Contra Costa County air quality index (AQI⁺) forecast

Now

27

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

5

km/h

Humidity icon

37%

12:00

28

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

6

km/h

Humidity icon

32%

13:00

29

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

7

km/h

Humidity icon

28%

14:00

31

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

6

km/h

Humidity icon

24%

15:00

32

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

8

km/h

Humidity icon

21%

16:00

32

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 298 degree

9

km/h

Humidity icon

20%

17:00

32

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 295 degree

9

km/h

Humidity icon

21%

18:00

33

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

9

km/h

Humidity icon

25%

19:00

36

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

10

km/h

Humidity icon

32%

20:00

38

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

12

km/h

Humidity icon

38%

21:00

40

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

13

km/h

Humidity icon

40%

22:00

41

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

13

km/h

Humidity icon

43%

23:00

42

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

12

km/h

Humidity icon

45%

Thu

00:00

45

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

11

km/h

Humidity icon

50%

01:00

48

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

10

km/h

Humidity icon

49%

02:00

51

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

9

km/h

Humidity icon

49%

03:00

51

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

7

km/h

Humidity icon

51%

04:00

51

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

6

km/h

Humidity icon

49%

05:00

52

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

5

km/h

Humidity icon

48%

06:00

52

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

5

km/h

Humidity icon

48%

07:00

53

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 201 degree

5

km/h

Humidity icon

48%

08:00

54

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 208 degree

5

km/h

Humidity icon

49%

09:00

54

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

4

km/h

Humidity icon

47%

10:00

55

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 276 degree

4

km/h

Humidity icon

41%

11:00

56

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 294 degree

5

km/h

Humidity icon

38%

12:00

55

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

6

km/h

Humidity icon

33%

13:00

54

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 314 degree

7

km/h

Humidity icon

28%

14:00

53

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

9

km/h

Humidity icon

25%

15:00

52

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

10

km/h

Humidity icon

23%

16:00

51

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

11

km/h

Humidity icon

24%

17:00

51

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 293 degree

11

km/h

Humidity icon

25%

18:00

50

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 272 degree

10

km/h

Humidity icon

27%

19:00

49

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

11

km/h

Humidity icon

30%

20:00

49

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 232 degree

11

km/h

Humidity icon

36%

21:00

48

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

12

km/h

Humidity icon

38%

22:00

47

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 229 degree

12

km/h

Humidity icon

42%

23:00

47

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

12

km/h

Humidity icon

46%

Fri

00:00

47

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

11

km/h

Humidity icon

52%

01:00

47

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

10

km/h

Humidity icon

54%

02:00

48

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

9

km/h

Humidity icon

55%

03:00

48

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

8

km/h

Humidity icon

60%

04:00

48

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

7

km/h

Humidity icon

59%

05:00

48

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

7

km/h

Humidity icon

55%

06:00

49

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

5

km/h

Humidity icon

51%

07:00

50

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 189 degree

4

km/h

Humidity icon

49%

08:00

51

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

4

km/h

Humidity icon

51%

09:00

51

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

4

km/h

Humidity icon

49%

10:00

51

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

2

km/h

Humidity icon

45%

11:00

52

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 284 degree

2

km/h

Humidity icon

39%

12:00

52

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 341 degree

4

km/h

Humidity icon

35%

13:00

53

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 336 degree

6

km/h

Humidity icon

30%

14:00

54

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

9

km/h

Humidity icon

28%

15:00

54

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

9

km/h

Humidity icon

26%

16:00

55

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 290 degree

8

km/h

Humidity icon

24%

17:00

56

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

8

km/h

Humidity icon

24%

18:00

57

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

6

km/h

Humidity icon

25%

19:00

58

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

6

km/h

Humidity icon

34%

20:00

59

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

6

km/h

Humidity icon

38%

21:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

7

km/h

Humidity icon

39%

22:00

59

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

5

km/h

Humidity icon

40%

23:00

59

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

5

km/h

Humidity icon

39%

Sat

00:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

5

km/h

Humidity icon

39%

01:00

57

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

5

km/h

Humidity icon

40%

02:00

57

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

5

km/h

Humidity icon

39%

03:00

56

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 204 degree

5

km/h

Humidity icon

39%

04:00

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

4

km/h

Humidity icon

39%

05:00

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

2

km/h

Humidity icon

39%

06:00

55

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 139 degree

0

km/h

Humidity icon

38%

07:00

56

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 65 degree

4

km/h

Humidity icon

38%

08:00

57

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 58 degree

4

km/h

Humidity icon

34%

09:00

57

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

5

km/h

Humidity icon

27%

10:00

57

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 39 degree

6

km/h

Humidity icon

22%

Daily forecast

|

Contra Costa County air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Contra Costa County?

IQAir Check icon

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

air quality map

Real-time Contra Costa County air pollution map

Health recommendations

Pollen

What is the pollen count in Contra Costa County today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in Contra Costa County

Health recommendations

air quality map

Real-time Contra Costa County air pollution map

Pollen

What is the pollen count in Contra Costa County today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Moderate

50%

Source:

wetter.com
Pollen forecast in Contra Costa County

Most polluted locations near Contra Costa County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Contra Costa County

#StationsAQI⁺ US
1
The national flag of USA

El Camino Corto

36

2
The national flag of USA

Byron Hot Springs Road

34

3
The national flag of USA

Canyon Elementary School

32

4
The national flag of USA

1115 Bear Creek Rd

31

5
The national flag of USA

Hossmoor

31

6
The national flag of USA

9600 Morgan Territory Rd

27

7
The national flag of USA

Coachman Place 2

27

8
The national flag of USA

Las Trampas Regional Wilderness

21

9
The national flag of USA

Marsh Creek Road

20

10
The national flag of USA

Ayers Ranch

16

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

El Portal, California

146

2
The national flag of USA

Avenal, California

107

3
The national flag of USA

Mission, Texas

100

4
The national flag of USA

St. Louis, Missouri

91

5
The national flag of USA

Modesto, California

85

6
The national flag of USA

Sioux Falls, South Dakota

85

7
The national flag of USA

Falcon Heights, Minnesota

81

8
The national flag of USA

Cleveland, Ohio

80

9
The national flag of USA

Cameron Park, Texas

78

10
The national flag of USA

Fresno County, California

73

History

Historic air quality graph for Contra Costa County

27 AQI⁺ US
Good
10:00–11:00 Sep 30 
AQI⁺ US

History

Historic air quality graph for Contra Costa County

27 AQI⁺ US
Good
10:00–11:00 Sep 30 
AQI⁺ US

Most polluted locations near Contra Costa County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Contra Costa County

#StationsAQI⁺ US
1
The national flag of USA

El Camino Corto

36

2
The national flag of USA

Byron Hot Springs Road

34

3
The national flag of USA

Canyon Elementary School

32

4
The national flag of USA

1115 Bear Creek Rd

31

5
The national flag of USA

Hossmoor

31

6
The national flag of USA

9600 Morgan Territory Rd

27

7
The national flag of USA

Coachman Place 2

27

8
The national flag of USA

Las Trampas Regional Wilderness

21

9
The national flag of USA

Marsh Creek Road

20

10
The national flag of USA

Ayers Ranch

16

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

El Portal, California

146

2
The national flag of USA

Avenal, California

107

3
The national flag of USA

Mission, Texas

100

4
The national flag of USA

St. Louis, Missouri

91

5
The national flag of USA

Modesto, California

85

6
The national flag of USA

Sioux Falls, South Dakota

85

7
The national flag of USA

Falcon Heights, Minnesota

81

8
The national flag of USA

Cleveland, Ohio

80

9
The national flag of USA

Cameron Park, Texas

78

10
The national flag of USA

Fresno County, California

73

Measure your own air quality

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

Get a monitorHow to contribute
Flooded road.
external link icon

Indoor Air Quality Alert: Bangkok and Central Thailand flooding

Forest fire.
external link icon

Wildfire Map Spotlight: Dome Fire, Yosemite National Park, California

external link icon

Wildfire Map Spotlight: Timber and Plaskett Fires, California

Where is the cleanest air quality in Contra Costa County?