Date Printed: 9/18/2026 12:01 Daily Summary Report Site: Clemmons Middle 9/18/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .029 11.7 22.2 10.5 01:00 .026 11.2 22.3 11.0 02:00 .021 11.8 24.2 12.4 03:00 .016 11.1 19.8 8.7 04:00 .009 11.6 22.0 10.3 05:00 .004 11.6 23.3 11.6 06:00 .004 12.5 37.5 25.0 07:00 .007 12.2 48.7 36.4 08:00 .017 10.6 21.9 11.3 09:00 .036 11.6 29.4 17.8 10:00 .049 12.5 22.9 10.4 11:00 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 11.6 26.7 15.0 Max .049 12.5 48.7 36.4 Max Hour 10:00 10:00 07:00 07:00 Min .004 10.6 19.8 8.7 Count 11 11 11 11 Total Date Printed: 9/18/2026 12:01 Daily Summary Report Site: Hattie Avenue (A) 9/18/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .051 .1 6.6 6.7 1.0 01:00 .050 .1 6.0 6.1 .4 02:00 .043 .2 6.4 6.7 .4 03:00 .037 .2 6.7 6.9 .3 04:00 .026 .3 7.4 7.7 .2 05:00 .018 .3 10.1 10.5 .2 06:00 .011 1.3 12.4 13.7 .2 07:00 .012 6.5 15.2 21.8 .3 08:00 .029 1.9 8.1 10.1 .3 09:00 .048 .4 3.6 4.1 .2 10:00 .056 .2 2.7 2.9 .3 11:00 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 .034 1.0 7.7 8.8 .3 Max .056 6.5 15.2 21.8 1.0 Max Hour 10:00 07:00 07:00 07:00 00:00 Min .011 .1 2.7 2.9 .2 Count 11 11 11 11 11 Total Date Printed: 9/18/2026 12:01 Daily Summary Report Site: Hattie Avenue (B) 9/18/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 11.2 24.0 12.1 01:00 11.1 22.4 10.6 02:00 11.7 23.2 10.9 03:00 12.1 21.1 8.5 04:00 11.3 19.2 7.5 05:00 10.7 17.0 5.9 06:00 11.3 21.3 9.5 07:00 11.9 28.2 15.5 08:00 10.7 23.0 11.2 09:00 12.0 23.6 10.4 10:00 13.1 29.0 14.3 11:00 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 11.5 22.9 10.5 Max 13.1 29.0 15.5 Max Hour 10:00 10:00 07:00 Min 10.7 17.0 5.9 Count 11 11 11 Total Date Printed: 9/18/2026 12:01 Daily Summary Report Site: Union Cross 9/18/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .050 740.1 77.3 64.7 01:00 .045 739.9 77.2 64.3 02:00 .044 739.5 75.5 65.1 03:00 .039 739.4 74.3 65.3 04:00 .030 739.3 72.4 66.0 05:00 .020 739.5 71.6 66.6 06:00 .016 739.7 71.6 67.4 07:00 .017 739.8 74.4 68.5 08:00 .020 740.0 80.3 70.6 09:00 .046 740.1 85.7 71.5 10:00 .059 739.6 88.5 71.7 11:00 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 .035 739.7 77.1 67.4 Max .059 740.1 88.5 71.7 Max Hour 10:00 09:00 10:00 10:00 Min .016 739.3 71.6 64.3 Count 11 11 11 11 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