1998 Maximum Concentrations - Particulates



 

Suspended Particulates PM10 e)

Source/Receptor Area

Station

No.

No. Days of Data

Max Conc.
in µg/ m3 24-hour

No. (%) Days Samples Exceeding

Standard

AAM
Conc.
µg/ m3

AGM Conc.
µg/ m3

Federal

State

No.

Location

>150
µg/m3
24-hour

> 0.09
µg/m3
24-hour

Los Angeles County

1

Central LA

087

59

80

0

10(16.9)

37.4

34.2

2

Northwest Coastal LA County

091

--

--

--

--

--

--

3

Southwest Coastal LA County

094

59

66

0

7(11.9)

32.7

30.3

4

South Coastal LA County

072

59

69

0

6(10.2)

32.3

29.2

6

West San Fernando Valley

074

--

--

--

--

--

--

7

East San Fernando Valley

069

59

75

0

9(15.3)

36.0

32.8

8

West San Gabriel Valley

088

--

--

--

--

--

--

9

East San Gabriel Valley 1

060

57

87

0

16(28.1)

40.6

35.7

9

East San Gabriel Valley 2

591

--

--

--

--

--

--

10

Pomona/Walnut Valley

075

--

--

--

--

--

--

11

South San Gabriel Valley

085

--

--

--

--

--

--

12

South Central LA County 1

084

--

--

--

--

--

--

12

South Central LA County 2

801

--

--

--

--

--

--

13

Santa Clarita Valley

089

55*

60*

0*

3(5.5)*

30.0*

27.3*

Orange County

16

North Orange County

3177

--

--

--

--

--

--

17

Central Orange County

3176

61

81

0

12(19.7)

35.9

33.0

18

North Coast Orange County

3195

--

--

--

--

--

--

19

Saddleback Valley

3186

59

70

0

6(10.2)

30.6

28.0

Riverside County

22

Norco/Corona

4155

57

93

0

23(40.4)

46.7

41.0

23

Metropolitan Riverside County 1

4144

78

116

0

42(53.8)

56.2

48.7

23

Metropolitan Riverside County 2

4146

--

--

--

--

--

--

24

Perris Valley

4149

53*

98*

0*

14(26.4)*

38.1*

33.3*

25

Lake Elsinore

4158

--

--

--

--

--

--

29

Banning/San Gorgonio Pass

4150

55*

76*

0*

5(9.1)*

27.9*

23.9*

29

Banning Airport

4164

52*

62*

0*

2(3.8)*

27.0*

23.5*

30

Coachella Valley 1**

4137

58

72

0

3(5.2)

26.4

23.8

30

Coachella Valley 2**

4157

80 j)

114 j)

0 j)

32(40.0) j)

48.1 j)

43.8 j)

San Bernardino County

32

Northwest San Bernardino Valley

5175

--

--

--

--

--

--

33

Southwest San Bernardino Valley

5171

59

92

0

20(33.9)

46.5

40.2

34

Central San Bernardino Valley 1

5197

60

101

0

28(46.7)

50.2

43.3

34

Central San Bernardino Valley 2

5203

58

114

0

22(37.9)

46.3

39.3

35

East San Bernardino Valley

5204

60

97

0

19(31.7)

40.5

33.9

37

Central San Bernardino Mountains

5181

58

45

0

0

24.5

21.2

 

District Maximums

 

116

0

42

 

56.2

48.7

µg/ m3- Micrograms per cubic meter of air.
-- - Pollutant not monitored.
*Less than 12 full months of data. May not be representative.
**Salton Sea Air Basin.
e) - PM10samples were collected every 6 days.

 

AQMD Home Page

Back to Annual Report

Back to Top of Page

 

 

 

Particulates TSP f)

Source/Receptor Area

Station

No.

No. Days of Data

Max Conc.
in µg/ m3 24-hour

AAM
Conc.
µg/ m3

No.

Location

Los Angeles County

1

Central LA

087

64

126

61.7

2

Northwest Coastal LA County

091

55*

91*

45.4*

3

Southwest Coastal LA County

094

60

94

55.5

4

South Coastal LA County

072

61

101

52.2

6

West San Fernando Valley

074

--

--

--

7

East San Fernando Valley

069

--

--

--

8

West San Gabriel Valley

088

58

87

46.1

9

East San Gabriel Valley 1

060

46*

167*

74.8*

9

East San Gabriel Valley 2

591

--

--

--

10

Pomona/Walnut Valley

075

--

--

--

11

South San Gabriel Valley

085

60

140

76.3

12

South Central LA County 1

084

60

158

77.7

12

South Central LA County 2

801

--

--

--

13

Santa Clarita Valley

089

--

--

--

Orange County

16

North Orange County

3177

--

--

--

17

Central Orange County

3176

--

--

--

18

North Coast Orange County

3195

--

--

--

19

Saddleback Valley

3186

--

--

--

Riverside County

22

Norco/Corona

4155

--

--

--

23

Metropolitan Riverside County 1

4144

56

216

98.5

23

Metropolitan Riverside County 2

4146

62

138

71.7

24

Perris Valley

4149

--

--

--

25

Lake Elsinore

4158

--

--

--

29

Banning/San Gorgonio Pass

4150

--

--

--

29

Banning Airport

4164

--

--

--

30

Coachella Valley 1**

4137

--

--

--

30

Coachella Valley 2**

4157

--

--

--

San Bernardino County

32

Northwest San Bernardino Valley

5175

62

132

67.0

33

Southwest San Bernardino Valley

5171

--

--

--

34

Central San Bernardino Valley 1

5197

62

175

89.6

34

Central San Bernardino Valley 2

5203

60

278

84.8

35

East San Bernardino Valley

5204

--

--

--

37

Central San Bernardino Mountains

5181

--

--

--

 

District Maximums

 

278

98.5

 

µg/ m3- Micrograms per cubic meter of air.
-- - Pollutant not monitored.
*Less than 12 full months of data. May not be representative.
**Salton Sea Air Basin.
f) - Federal TSP standard superseded by PM10 standard, July 1, 1987.

 

AQMD Home Page

Back to Annual Report

Back to Top of Page

 

 

Lead

Source/Receptor Area

Station

No.

Max
Monthly
Conc.
µg/ m3

Max
Quarterly
Conc.
µg/ m3

Quarter/Month
Exceeding

Standard

Federal

State

No.

Location

>1.50
µg/m3
Qtrly. Avg.

> = 1.5
µg/m3
Mo. Avg.

Los Angeles County

1

Central LA

087

0.06

0.04

0

0

2

Northwest Coastal LA County

091

--

--

--

--

3

Southwest Coastal LA County

094

0.06

0.04

0

0

4

South Coastal LA County

072

0.07

0.04

0

0

6

West San Fernando Valley

074

--

--

--

--

7

East San Fernando Valley

069

--

--

--

--

8

West San Gabriel Valley

088

--

--

--

--

9

East San Gabriel Valley 1

060

--

--

--

--

9

East San Gabriel Valley 2

591

--

--

--

--

10

Pomona/Walnut Valley

075

--

--

--

--

11

South San Gabriel Valley

085

0.07

0.05

0

0

12

South Central LA County 1

084

0.04

0.04

0

0

12

South Central LA County 2

801

--

--

--

--

13

Santa Clarita Valley

089

--

--

--

--

Orange County

16

North Orange County

3177

--

--

--

--

17

Central Orange County

3176

--

--

--

--

18

North Coast Orange County

3195

--

--

--

--

19

Saddleback Valley

3186

--

--

--

--

Riverside County

22

Norco/Corona

4155

--

--

--

--

23

Metropolitan Riverside County 1

4144

0.08

0.04

0

0

23

Metropolitan Riverside County 2

4146

0.10

0.05

0

0

24

Perris Valley

4149

--

--

--

--

25

Lake Elsinore

4158

--

--

--

--

29

Banning/San Gorgonio Pass

4150

--

--

--

--

29

Banning Airport

4164

--

--

--

--

30

Coachella Valley 1**

4137

--

--

--

--

30

Coachella Valley 2**

4157

--

--

--

--

San Bernardino County

32

Northwest San Bernardino Valley

5175

0.05

0.04

0

0

33

Southwest San Bernardino Valley

5171

--

--

--

--

34

Central San Bernardino Valley 1

5197

--

--

--

--

34

Central San Bernardino Valley 2

5203

0.05

0.03

0

0

35

East San Bernardino Valley

5204

--

--

--

--

37

Central San Bernardino Mountains

5181

--

--

--

--

 

District Maximums

0.10

0.05

0

0

 

µg/ m3- Micrograms per cubic meter of air.
-- - Pollutant not monitored.
*Less than 12 full months of data. May not be representative.
**Salton Sea Air Basin.

 

AQMD Home Page

Back to Annual Report

Back to Top of Page

 

 

 

Sulfate

Source/Receptor Area

Station

No.

Max Conc.
in µg/ m3 24-hour

No. (%) Samples
Exceeding
State Standard

>= 25 µg/ m3
24-hour

No.

Location

Los Angeles County

1

Central LA

087

10.6

0

2

Northwest Coastal LA County

091

11.2*

0*

3

Southwest Coastal LA County

094

13.5

0

4

South Coastal LA County

072

14.5

0

6

West San Fernando Valley

074

--

--

7

East San Fernando Valley

069

--

--

8

West San Gabriel Valley

088

9.2

0

9

East San Gabriel Valley 1

060

10.2*

0*

9

East San Gabriel Valley 2

591

--

--

10

Pomona/Walnut Valley

075

--

--

11

South San Gabriel Valley

085

12.0

0

12

South Central LA County 1

084

12.0

0

12

South Central LA County 2

801

--

--

13

Santa Clarita Valley

089

--

--

Orange County

16

North Orange County

3177

--

--

17

Central Orange County

3176

--

--

18

North Coast Orange County

3195

--

--

19

Saddleback Valley

3186

--

--

Riverside County

22

Norco/Corona

4155

--

--

23

Metropolitan Riverside County 1

4144

10.1

0

23

Metropolitan Riverside County 2

4146

12.8

0

24

Perris Valley

4149

--

--

25

Lake Elsinore

4158

--

--

29

Banning/San Gorgonio Pass

4150

--

--

29

Banning Airport

4164

--

--

30

Coachella Valley 1**

4137

--

--

30

Coachella Valley 2**

4157

--

--

San Bernardino County

32

Northwest San Bernardino Valley

5175

10.5

0

33

Southwest San Bernardino Valley

5171

--

--

34

Central San Bernardino Valley 1

5197

10.1

0

34

Central San Bernardino Valley 2

5203

11.5

0

35

East San Bernardino Valley

5204

--

--

37

Central San Bernardino Mountains

5181

--

--

 

District Maximums

14.5

0

 

µg/ m3- Micrograms per cubic meter of air.
-- - Pollutant not monitored.
*Less than 12 full months of data. May not be representative.
**Salton Sea Air Basin.

Back to Annual Report

Return to
Smog Page

Back to Top of Page


Last Update: 08/17/2005
URL: http://www.aqmd.gov/smog/aq98pm2.htm