Weekend/Weekday Ozone Observations in the South Coast Air Basin

6
5
Pico Rivera, Weekdays 6-9 a.m (10/2/00-10/6/00)
(a)
6
5
Pico Rivera, Weekdays 6-9 a.m. (10/2/00-10/6/00)
(d)
black carbon (ug/m3)
4
3
2
1
y = 0.023x + 1.7895
R 2 = 0.4802
black carbon (ug/m3)
4
3
2
1
y = 0.0208x + 1.191
R 2 = 0.5332
0
0 30 60 90 120 150
NO (ppb)
0
0 50 100 150 200
NOx (ppb)
6
Pico Rivera, Weekdays All Hours (10/2/00-10/6/00)
6
Pico Rivera, Weekdays All Hours (10/2/00-10/6/00)
5
(b)
5
(e)
black carbon (ug/m3)
4
3
2
1
y = 0.0235x + 1.7858
R 2 = 0.2842
black carbon (ug/m3)
4
3
2
1
y = 0.024x + 0.9913
R 2 = 0.4046
0
0 30 60 90 120 150
NO (ppb)
0
0 50 100 150 200
NOx (ppb)
Pico Rivera, All Days & Hours (9/30/00-10/8/00)
Pico Rivera, All Days & Hours (9/30/00-10/8/00)
6
6
5
(c)
5
(f)
black carbon (ug/m3)
4
3
2
1
y = 0.0199x + 1.6129
R 2 = 0.3908
black carbon (ug/m3)
4
3
2
1
y = 0.0202x + 0.9673
R 2 = 0.4747
0
0 30 60 90 120 150
0
0 50 100 150 200
Figure 4.5-1b. Correlations of NO and NOx to black carbon at Pico Rivera for different sets of
weekdays and hours of the day.
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