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Air quality in Orange County

Air quality index (AQI⁺) and PM2.5 air pollution in Orange County • 8.5K Followers • 20:00, Oct 18

28

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

5.1 µg/m³

weather condition icon

70°

wind direction icon

4.6 km/h

weather humid icon

52 %

Hourly forecast

Orange County air quality index (AQI⁺) forecast

Now

28

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

4.6

km/h

Humidity icon

52%

21:00

31

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 244 degree

0

km/h

Humidity icon

53%

22:00

34

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

0

km/h

Humidity icon

54%

23:00

37

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 189 degree

2.2

km/h

Humidity icon

55%

Sun

00:00

40

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

0

km/h

Humidity icon

57%

01:00

43

Weather icon

61°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

0

km/h

Humidity icon

59%

02:00

44

Weather icon

61°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

0

km/h

Humidity icon

59%

03:00

47

Weather icon

59°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

0

km/h

Humidity icon

58%

04:00

49

Weather icon

57°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

0

km/h

Humidity icon

58%

05:00

48

Weather icon

57°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

0

km/h

Humidity icon

58%

06:00

51

Weather icon

57°

IQAir AirVisual Air Quality Map Wind rotating 335 degree

0

km/h

Humidity icon

57%

07:00

53

Weather icon

57°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

0

km/h

Humidity icon

56%

08:00

55

Weather icon

61°

IQAir AirVisual Air Quality Map Wind rotating 192 degree

0

km/h

Humidity icon

54%

09:00

55

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 219 degree

0

km/h

Humidity icon

48%

10:00

55

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

2.2

km/h

Humidity icon

46%

11:00

53

Weather icon

79°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

4.5

km/h

Humidity icon

43%

12:00

53

Weather icon

75°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

4.5

km/h

Humidity icon

39%

13:00

53

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

6.7

km/h

Humidity icon

38%

14:00

57

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

6.7

km/h

Humidity icon

37%

15:00

57

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

6.7

km/h

Humidity icon

37%

16:00

57

Weather icon

75°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

4.5

km/h

Humidity icon

37%

17:00

58

Weather icon

75°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

4.5

km/h

Humidity icon

38%

18:00

58

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

4.5

km/h

Humidity icon

42%

19:00

58

Weather icon

72°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

2.2

km/h

Humidity icon

47%

20:00

63

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 242 degree

2.2

km/h

Humidity icon

51%

21:00

63

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

2.2

km/h

Humidity icon

54%

22:00

63

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

0

km/h

Humidity icon

57%

23:00

69

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

0

km/h

Humidity icon

58%

Mon

00:00

69

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 176 degree

0

km/h

Humidity icon

57%

01:00

69

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

0

km/h

Humidity icon

56%

02:00

68

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 169 degree

2.2

km/h

Humidity icon

56%

03:00

68

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

2.2

km/h

Humidity icon

55%

04:00

68

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 162 degree

0

km/h

Humidity icon

55%

05:00

61

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

0

km/h

Humidity icon

56%

06:00

61

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

0

km/h

Humidity icon

57%

07:00

61

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 69 degree

0

km/h

Humidity icon

56%

08:00

59

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

0

km/h

Humidity icon

51%

09:00

59

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 33 degree

0

km/h

Humidity icon

43%

10:00

59

Weather icon

72°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

0

km/h

Humidity icon

38%

11:00

55

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

2.2

km/h

Humidity icon

35%

12:00

55

Weather icon

75°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

4.5

km/h

Humidity icon

32%

13:00

55

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

4.5

km/h

Humidity icon

31%

14:00

57

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

4.5

km/h

Humidity icon

30%

15:00

57

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

4.5

km/h

Humidity icon

32%

16:00

57

Weather icon

77°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

4.5

km/h

Humidity icon

34%

17:00

56

Weather icon

75°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

4.5

km/h

Humidity icon

37%

18:00

56

Weather icon

72°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

4.5

km/h

Humidity icon

41%

19:00

56

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

2.2

km/h

Humidity icon

45%

20:00

61

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 252 degree

2.2

km/h

Humidity icon

48%

21:00

61

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

2.2

km/h

Humidity icon

51%

22:00

61

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

2.2

km/h

Humidity icon

54%

23:00

65

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 261 degree

0

km/h

Humidity icon

55%

Tue

00:00

65

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

0

km/h

Humidity icon

56%

01:00

65

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 231 degree

0

km/h

Humidity icon

58%

02:00

61

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

0

km/h

Humidity icon

60%

03:00

61

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

0

km/h

Humidity icon

60%

04:00

61

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

0

km/h

Humidity icon

60%

05:00

56

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

0

km/h

Humidity icon

62%

06:00

56

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

0

km/h

Humidity icon

62%

07:00

56

Weather icon

64°

IQAir AirVisual Air Quality Map Wind rotating 217 degree

0

km/h

Humidity icon

64%

08:00

55

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

0

km/h

Humidity icon

62%

09:00

55

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

0

km/h

Humidity icon

57%

10:00

55

Weather icon

70°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

2.2

km/h

Humidity icon

52%

11:00

54

Weather icon

72°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

2.2

km/h

Humidity icon

48%

12:00

54

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

4.5

km/h

Humidity icon

45%

13:00

54

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

4.5

km/h

Humidity icon

43%

14:00

54

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

6.7

km/h

Humidity icon

44%

15:00

54

Weather icon

73°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

6.7

km/h

Humidity icon

48%

16:00

54

Weather icon

72°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

4.5

km/h

Humidity icon

49%

17:00

52

Weather icon

72°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

4.5

km/h

Humidity icon

51%

18:00

52

Weather icon

68°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

6.7

km/h

Humidity icon

59%

19:00

52

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

4.5

km/h

Humidity icon

66%

20:00

48

Weather icon

66°

IQAir AirVisual Air Quality Map Wind rotating 241 degree

2.2

km/h

Humidity icon

67%

Daily forecast

|

Orange County air quality index (AQI⁺) forecast

Today

53

Weather icon

79°

57°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

6.7

km/h

Humidity icon

39%

Sun

62

Weather icon

77°

64°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

4.5

km/h

Humidity icon

32%

Mon

58

Weather icon

73°

64°

IQAir AirVisual Air Quality Map Wind rotating 236 degree

6.7

km/h

Humidity icon

45%

Air pollutants

What is the current air quality in Orange County?

IQAir Check icon

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

air quality map

Real-time Orange County air pollution map

Health recommendations

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Enjoy outdoor activities

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Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in Orange County

Shop IQAir products

Air Purifiers

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Air Quality Monitors

Pollen

What is the pollen count in Orange County today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

tomorrow.io
Pollen forecast in Orange County

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

Open your windows to bring clean, fresh air indoors

Get a monitor
air quality map

Real-time Orange County air pollution map

Pollen

What is the pollen count in Orange County today?

Index

Pollen global icon

None

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

tomorrow.io
Pollen forecast in Orange County

Protect yourself from air pollution in Orange County

Shop IQAir products

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near Orange County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time USA AQI⁺ station ranking

#StationsAQI⁺ US
1
The national flag of USA

Orange Hills

34

2
The national flag of USA

Belmont Park at Via Escola

22

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Delano, California

114

2
The national flag of USA

Worcester, Massachusetts

105

3
The national flag of USA

Boonville, Indiana

98

4
The national flag of USA

Braddock, Pennsylvania

91

5
The national flag of USA

Moses Lake, Washington

88

6
The national flag of USA

New Bedford, Massachusetts

87

7
The national flag of USA

Modesto, California

84

8
The national flag of USA

Turlock, California

82

9
The national flag of USA

Livermore, California

80

10
The national flag of USA

Orchards, Washington

79

History

Historic air quality graph for Orange County

28 AQI⁺ US
Good
19:00 Oct 18 Local time
AQI⁺ US
Forest burning
external link icon

Wildfire Map Spotlight: Labor Mountain Fire, Washington

Polluted skies of Sarajevo
external link icon

October 17, 2025: Sarajevo among top 10 most polluted cities in the world

external link icon

October 17, 2025: Tashkent among the most polluted cities in the world

History

Historic air quality graph for Orange County

28 AQI⁺ US
Good
19:00 Oct 18 Local time
AQI⁺ US
Forest burning
external link icon

Wildfire Map Spotlight: Labor Mountain Fire, Washington

Polluted skies of Sarajevo
external link icon

October 17, 2025: Sarajevo among top 10 most polluted cities in the world

external link icon

October 17, 2025: Tashkent among the most polluted cities in the world

Most polluted locations near Orange County

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time USA AQI⁺ station ranking

#StationsAQI⁺ US
1
The national flag of USA

Orange Hills

34

2
The national flag of USA

Belmont Park at Via Escola

22

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Delano, California

114

2
The national flag of USA

Worcester, Massachusetts

105

3
The national flag of USA

Boonville, Indiana

98

4
The national flag of USA

Braddock, Pennsylvania

91

5
The national flag of USA

Moses Lake, Washington

88

6
The national flag of USA

New Bedford, Massachusetts

87

7
The national flag of USA

Modesto, California

84

8
The national flag of USA

Turlock, California

82

9
The national flag of USA

Livermore, California

80

10
The national flag of USA

Orchards, Washington

79

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