Date Printed: 10/4/2026 11:01 Daily Summary Report Site: Clemmons Middle 10/4/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 D 1.5 2.8 1.2 01:00 D 1.2 2.5 1.3 02:00 D .8 1.5 .7 03:00 D .7 2.1 1.3 04:00 D .5 1.6 1.1 05:00 D .5 1.3 .7 06:00 D .6 1.4 .7 07:00 D .6 1.6 1.0 08:00 D .7 1.7 .9 09:00 D 1.0 2.1 1.1 10:00 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 .8 1.8 1.0 Max D 1.5 2.8 1.3 Max Hour 00:00 00:00 03:00 Min D .5 1.3 .7 Count 0 10 10 10 Total Date Printed: 10/4/2026 11:01 Daily Summary Report Site: Hattie Avenue (A) 10/4/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .022 .0 1.2 1.2 .1 01:00 .020 .0 1.1 1.2 .1 02:00 .019 .1 1.1 1.3 .1 03:00 .019 .0 1.0 1.1 .1 04:00 .022 .0 .8 .9 .1 05:00 .020 .0 .8 .8 .1 06:00 .019 .0 .9 1.0 .1 07:00 .018 .2 1.1 1.3 .1 08:00 .018 .4 1.6 2.1 .1 09:00 .018 .5 1.8 2.4 .1 10:00 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 .1 1.1 1.3 .1 Max .022 .5 1.8 2.4 .1 Max Hour 04:00 09:00 09:00 09:00 09:00 Min .018 .0 .8 .8 .1 Count 10 10 10 10 10 Total Date Printed: 10/4/2026 11:01 Daily Summary Report Site: Hattie Avenue (B) 10/4/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 1.2 1.8 .6 01:00 .7 1.3 .5 02:00 .6 1.3 .7 03:00 .8 1.1 .3 04:00 .7 1.3 .6 05:00 .4 1.5 1.0 06:00 .5 1.5 .9 07:00 .7 1.9 1.2 08:00 1.6 2.6 1.0 09:00 1.5 3.5 1.9 10:00 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 .8 1.7 .8 Max 1.6 3.5 1.9 Max Hour 08:00 09:00 09:00 Min .4 1.1 .3 Count 10 10 10 Total Date Printed: 10/4/2026 11:01 Daily Summary Report Site: Union Cross 10/4/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .021 740.3 55.8 54.5 01:00 .019 740.0 55.4 55.0 02:00 .018 739.7 55.3 55.3 03:00 .017 739.5 55.2 55.2 04:00 .020 739.5 55.2 55.2 05:00 .019 739.6 55.7 55.8 06:00 .018 739.8 07:00 .018 740.1 56.3 56.3 08:00 .018 740.1 57.2 57.1 09:00 .018 740.3 58.1 57.7 10:00 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 .018 739.8 56.0 55.7 Max .021 740.3 58.1 57.7 Max Hour 00:00 09:00 09:00 09:00 Min .017 739.5 55.2 54.5 Count 10 10 9 9 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