Date Printed: 10/28/2026 13:01 Daily Summary Report Site: Clemmons Middle 10/28/2026 Interval: 001h O3 PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .010 9.2 16.7 7.5 01:00 .010 9.6 16.0 6.4 02:00 .010 9.5 16.1 6.6 03:00 .011 9.6 16.3 6.7 04:00 .010 9.7 15.9 6.1 05:00 .008 10.2 18.2 7.9 06:00 .003 11.2 20.7 9.5 07:00 .005 12.2 22.6 10.4 08:00 .022 13.2 24.1 10.8 09:00 .045 B 13.5 21.5 7.9 10:00 .045 12.8 18.9 6.0 11:00 .049 11.3 17.6 6.3 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .019 11.0 18.7 7.6 Max .049 13.5 24.1 10.8 Max Hour 11:00 09:00 08:00 08:00 Min .003 9.2 15.9 6.0 Count 12 12 12 12 Total Date Printed: 10/28/2026 13:01 Daily Summary Report Site: Hattie Avenue (A) 10/28/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .036 .1 3.8 3.9 .1 01:00 .035 .1 3.9 4.0 .1 02:00 .033 .0 4.0 4.0 .1 03:00 .033 .1 3.1 3.3 .1 04:00 .031 .0 3.3 3.4 .1 05:00 .032 .2 4.4 4.7 .1 06:00 .028 .3 B 10.8 B 11.1 B .1 07:00 .034 B B B .1 08:00 .039 B B B .1 09:00 .043 B B B .1 10:00 .047 B B B .1 11:00 .051 .4 2.4 2.8 .2 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .036 .1 4.4 4.6 .1 Max .051 .4 10.8 11.1 .2 Max Hour 11:00 11:00 06:00 06:00 11:00 Min .028 .0 2.4 2.8 .1 Count 12 8 8 8 12 Total Date Printed: 10/28/2026 13:01 Daily Summary Report Site: Hattie Avenue (B) 10/28/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 8.8 15.5 7.1 01:00 8.4 15.8 7.8 02:00 8.2 14.1 6.2 03:00 8.7 16.2 7.9 04:00 9.5 16.7 7.7 05:00 9.8 15.6 6.2 06:00 11.4 18.0 7.1 07:00 12.3 21.1 9.3 08:00 13.5 21.3 8.4 09:00 11.5 16.8 5.7 10:00 B B B 11:00 B B B 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 10.2 17.1 7.3 Max 13.5 21.3 9.3 Max Hour 08:00 08:00 07:00 Min 8.2 14.1 5.7 Count 10 10 10 Total Date Printed: 10/28/2026 13:01 Daily Summary Report Site: Union Cross 10/28/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .029 743.8 56.5 45.2 01:00 .025 743.7 54.6 45.1 02:00 .020 743.8 52.8 45.2 03:00 .024 744.0 50.0 46.0 04:00 .022 744.3 49.2 46.6 05:00 .020 744.6 49.0 46.4 06:00 .020 744.9 49.1 47.3 07:00 .027 745.1 50.5 49.5 08:00 .037 745.6 52.2 51.3 09:00 .040 745.7 53.1 52.9 10:00 .044 745.7 55.8 52.9 11:00 .046 745.3 59.1 52.6 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 744.7 52.6 48.4 Max .046 745.7 59.1 52.9 Max Hour 11:00 10:00 11:00 10:00 Min .020 743.7 49.0 45.1 Count 12 12 12 12 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