Date Printed: 7/13/2026 15:01 Daily Summary Report Site: Clemmons Middle 7/13/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .039 4.3 9.1 4.8 01:00 .038 3.9 9.4 5.4 02:00 .033 4.0 10.9 6.8 03:00 .027 3.9 10.8 6.8 04:00 .026 4.2 9.9 5.7 05:00 .025 4.2 9.8 5.5 06:00 .026 3.5 9.1 5.6 07:00 .025 3.4 7.9 4.5 08:00 .020 3.3 8.9 5.5 09:00 .019 2.7 5.9 3.2 10:00 .021 2.8 7.1 4.2 11:00 .025 2.8 7.2 4.3 12:00 .024 2.3 13.2 10.8 13:00 .027 3.1 12.7 9.5 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .026 3.4 9.4 5.9 Max .039 4.3 13.2 10.8 Max Hour 00:00 00:00 12:00 12:00 Min .019 2.3 5.9 3.2 Count 14 14 14 14 Total Date Printed: 7/13/2026 15:01 Daily Summary Report Site: Hattie Avenue (A) 7/13/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .044 .1 1.3 1.4 .0 01:00 .043 .1 1.4 1.5 .0 02:00 .042 .1 1.6 1.7 .0 03:00 .039 .1 1.7 1.9 .1 04:00 .032 .2 1.8 2.1 .0 05:00 .028 .3 2.0 2.3 .0 06:00 .027 .4 1.9 2.3 .0 07:00 .024 .5 2.0 2.6 .0 08:00 .020 .7 1.9 2.6 .0 09:00 .020 .8 1.9 2.7 .1 10:00 .023 .7 1.8 2.5 .0 11:00 .022 .7 1.9 2.6 .0 12:00 .026 .3 1.7 2.1 .0 13:00 .026 .4 1.7 2.1 .0 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 .3 1.7 2.1 .0 Max .044 .8 2.0 2.7 .1 Max Hour 00:00 09:00 07:00 09:00 09:00 Min .020 .1 1.3 1.4 .0 Count 14 14 14 14 14 Total Date Printed: 7/13/2026 15:01 Daily Summary Report Site: Hattie Avenue (B) 7/13/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 5.3 10.3 4.8 01:00 5.5 10.7 4.9 02:00 5.7 10.5 4.6 03:00 5.8 10.7 4.6 04:00 5.7 12.9 6.9 05:00 4.5 11.2 6.5 06:00 4.0 11.9 7.7 07:00 4.6 10.7 5.8 08:00 4.1 9.5 5.2 09:00 3.7 8.2 4.3 10:00 3.3 8.4 4.9 11:00 3.4 8.0 4.3 12:00 3.8 11.2 7.2 13:00 5.6 14.1 8.2 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 4.6 10.5 5.7 Max 5.8 14.1 8.2 Max Hour 03:00 13:00 13:00 Min 3.3 8.0 4.3 Count 14 14 14 Total Date Printed: 7/13/2026 15:01 Daily Summary Report Site: Union Cross 7/13/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .040 738.9 71.8 69.4 01:00 .038 738.8 71.9 69.5 02:00 .036 738.6 71.8 69.7 03:00 .034 738.7 71.3 70.1 04:00 .027 738.9 71.0 70.5 05:00 .027 739.1 70.6 70.3 06:00 .028 739.2 70.2 69.8 07:00 .024 739.5 70.6 70.2 08:00 .018 740.0 70.9 70.2 09:00 .020 740.0 71.5 70.8 10:00 .025 740.1 72.3 70.9 11:00 .028 740.0 71.1 70.1 12:00 .029 739.8 70.9 70.3 13:00 .032 739.7 71.9 70.2 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 739.3 71.2 70.1 Max .040 740.1 72.3 70.9 Max Hour 00:00 10:00 10:00 10:00 Min .018 738.6 70.2 69.4 Count 14 14 14 14 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