Pollutant Test Summer vs. Winter Months Two Holiday Weeks vs. Winter Months Holiday Days vs. Holiday Week Weekend vs. Weekday Daytime vs. Night Early Evening Hours vs. Night Burning vs. Smoldering
PM10 Higher mean Winter Higher than Summer Holidays higher than Winter Months No Test – Not Enough Data Weekend Higher than Weekday No Test – No Hourly Data Collected No Test – No Hourly Data Collected No Test – No Hourly Data Collected
t-test Signif.
p = 0.031
Signif.
p= 0.020
Not Signif.
p= 0.696
MWU Signif.
z = -3.745
Outside
z-critical
Signif.
z= 2.428
Outside
z-critical
Not Signif.
z =-0.393
Inside
z-critical
Daily
PM2.5
Higher mean Winter Higher than Summer Holidays higher than Winter Months Christmas & New Year’s higher than weeks Weekend higher than
Weekday
No Test – No Hourly Data Collected No Test – No Hourly Data Collected No Test – No Hourly Data Collected
t-test Signif.
p= 0.001
Signif.
p= 0.0002
Christmas
Not Signif.
p= 0.080
Signif.
p= 0.032
New Year’s
Signif.
p= 0.0486
MWU Signif.
z= -16.327
Outside
z-critical
Signif.
z= 3.884
Outside
z-critical
Christmas
Signif.
z= 2.005
Outside
z-critical
Signif.
z= -2.149
Outside
z-critical
New Year’s
Signif.
z= 2.3245
Outside
z-critical
Hourly PM2.5 Higher mean Winter Higher than Summer Holidays higher than Winter Months Christmas & New Year’s higher than weeks Weekend higher than
Weekday
Night
Higher than
Day
Evening
Higher than
Night
Burning
Higher
than
Smoldering
t-test Signif.
p=0
Signif.
p=0
Christmas
Signif.
p=0.002
Signif.
p=0.028
Signif.
p=0
Not Signif.
p= 0.195
Signif.
p=0
New Year’s
Signif.
p= 0
MWU Signif.
z= -9.632
Outside
z-critical
Signif.
z= 6.896
Outside
z-critical
Christmas
Signif.
z= 3.326
Outside
z-critical
Signif.
z= -2.197
Outside
z-critical
Signif.
z= -27.16
Outside
z-critical
Not Signif.
z= 1.296
Inside
z-critical
Not Signif.
z= -7.780
Inside
z-critical
New Year’s
Signif.
z= 4.4347
Outside
z-critical
CO Higher mean Winter Higher than Summer Holidays higher than Winter Months Christmas & New Year’s higher than weeks Weekend higher than
Weekday
Night
Higher than
Day
Evening
Higher than
Night
Burning
Higher
than
Smoldering
t-test Signif.
p= 0.001
Signif.
p= 0
Christmas
Not Signif.
p= 0.086
Signif.
p= 0.0002
Signif.
p= 0
Signif.
p= 0
Signif.
p= 0
New Year’s
Not Signif.
p= 0.061
MWU     Signif.
z= 83.55
Outside
z-critical
Signif.
z= -4.18
Outside
z-critical
Christmas
Not Signif.
z= -1.722
Inside
z-critical
Signif.
z= -3.696
Outside
z-critical
Signif.
z= -33.27
Outside
z-critical
Signif.
z= 27.478
Outside
z-critical
Not Signif.
z= -26.09
Outside
z-critical
New Year’s
Not Signif.
z= -1.878
Inside
z-critical
Table 2: Summary of Results from Both T-tests and MWU tests for PM10, Daily PM2.5, Hourly PM2.5, and CO.