Date Printed: 6/30/2025 16:01 Daily Summary Report Site: Clemmons Middle 6/30/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .008 6.0 12.9 6.9 01:00 .009 6.4 11.9 5.4 02:00 .011 7.0 12.9 5.8 03:00 .004 7.2 13.9 6.7 04:00 .003 7.6 14.8 7.2 05:00 .002 7.6 15.9 8.2 06:00 .009 8.1 18.6 10.4 07:00 .019 8.9 17.3 8.4 08:00 .033 8.8 14.3 5.5 09:00 .041 9.2 15.1 5.9 10:00 .046 9.4 16.8 7.4 11:00 .049 9.8 16.3 6.4 12:00 .052 10.7 20.2 9.5 13:00 .040 9.6 17.8 8.1 14:00 .040 8.0 14.0 5.9 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .024 8.2 15.5 7.1 Max .052 10.7 20.2 10.4 Max Hour 12:00 12:00 12:00 06:00 Min .002 6.0 11.9 5.4 Count 15 15 15 15 Total Date Printed: 6/30/2025 16:01 Daily Summary Report Site: Hattie Avenue (A) 6/30/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .013 .2 8.1 8.4 .2 01:00 .012 .3 7.0 7.4 .2 02:00 .012 .4 6.7 7.1 .2 03:00 .011 .3 6.7 7.1 .2 04:00 .014 .2 5.5 5.8 .2 05:00 .008 1.0 6.9 8.0 .2 06:00 .011 3.1 8.6 11.8 .4 07:00 .024 1.8 7.0 8.8 .4 08:00 .037 1.0 5.5 6.6 .4 09:00 .046 .4 3.5 4.0 .4 10:00 .050 .1 2.6 2.8 .2 11:00 .055 .1 2.7 2.8 .3 12:00 .050 .1 2.0 2.2 .2 13:00 .049 .1 2.2 2.4 .2 14:00 .046 .3 2.5 2.8 .2 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 .6 5.1 5.8 .2 Max .055 3.1 8.6 11.8 .4 Max Hour 11:00 06:00 06:00 06:00 09:00 Min .008 .1 2.0 2.2 .2 Count 15 15 15 15 15 Total Date Printed: 6/30/2025 16:01 Daily Summary Report Site: Hattie Avenue (B) 6/30/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 7.6 14.2 6.2 01:00 7.6 13.4 5.4 02:00 8.4 15.6 6.8 03:00 8.5 16.8 7.9 04:00 8.8 15.2 6.1 05:00 9.1 16.3 6.8 06:00 9.7 18.7 8.3 07:00 9.8 18.7 8.1 08:00 9.5 17.6 7.3 09:00 9.6 17.2 6.7 10:00 9.7 16.8 6.3 11:00 10.9 18.3 6.5 12:00 9.6 16.7 6.1 13:00 9.7 16.6 5.9 14:00 9.4 16.3 6.0 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 9.1 16.5 6.6 Max 10.9 18.7 8.3 Max Hour 11:00 07:00 06:00 Min 7.6 13.4 5.4 Count 15 15 15 Total Date Printed: 6/30/2025 16:01 Daily Summary Report Site: Union Cross 6/30/2025 Interval: 001h Ozone Temperature Dew Point Wind Speed Wind Direction Relative Humidity Barometric Pres. Time ppm DegC DegC MPH DEG PERCENT mmHg 00:00 .026 23.3 21.1 2.3 205 88.6 736.9 01:00 .019 22.9 21.4 1.8 201 92.3 736.9 02:00 .019 22.8 21.3 1.7 201 92.4 736.7 03:00 .016 22.4 21.3 1.1 203 93.7 736.7 04:00 .010 22.0 21.4 .9 193 96.9 736.6 05:00 .004 21.9 21.6 1.0 151 97.9 736.8 06:00 .010 23.3 22.2 2.0 202 94.1 737.1 07:00 .024 25.3 22.1 2.8 235 84.0 737.4 08:00 .035 26.8 22.5 3.1 250 77.8 737.5 09:00 .048 28.3 22.8 3.8 228 72.0 737.5 10:00 .048 29.3 22.8 4.2 202 67.3 737.4 11:00 .045 30.2 22.6 5.5 217 61.8 737.3 12:00 .045 30.9 22.2 6.5 207 56.5 736.9 13:00 .046 31.3 22.5 7.2 217 55.5 736.5 14:00 .047 30.9 22.4 8.2 223 57.4 736.2 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 26.1 22.0 3.3 215 79.2 736.9 Max .048 31.3 22.8 8.2 250 97.9 737.5 Max Hour 10:00 13:00 09:00 14:00 08:00 05:00 09:00 Min .004 21.9 21.1 .9 151 55.5 736.2 Count 15 15 15 15 15 15 15 Total Flags T Out of Control A Arithmetic Error (math calculation error) t Out of Control (Partial) S Site Visit s Site Activity > Some Data Missing + Max Exceeded - Min Exceeded < Logger Invalid ? Suspect a Audit B Bad Status C Calibration c Ceiling Limit D Channel Disabled E Edited e Site Malfunction f Floor Limit H High-High Alarm h High Alarm I Invalidated By Edit J High Rate of Change Exceeded L Low-Low Alarm l Low Alarm M Maintenance m Marked Maint by edit O Overrange o Other P Power Failure p Precision Check Q Quality Assured R Rate of Change Exceeded V Dig Info#1 W Dig Info#2 X Dig Info#3 Y Dig Info#4 Z Dig Info#5 z Zero Adjusted F Boiler Offline j Low Rate of Change Exceeded