Date Printed: 8/22/2025 19:01 Daily Summary Report Site: Clemmons Middle 8/22/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .016 4.8 12.8 7.9 01:00 .014 5.0 12.4 7.4 02:00 .013 5.4 14.0 8.5 03:00 .009 5.7 17.3 11.5 04:00 .012 5.4 14.6 9.2 05:00 .015 5.3 13.2 7.8 06:00 .014 6.4 14.5 8.0 07:00 .019 4.8 10.8 6.0 08:00 .022 3.7 7.6 3.9 09:00 .025 3.5 7.4 3.8 10:00 .030 3.2 6.8 3.6 11:00 .034 3.4 7.6 4.2 12:00 .035 3.2 6.7 3.5 13:00 .036 3.2 7.9 4.6 14:00 .036 3.4 8.2 4.8 15:00 .035 3.5 7.9 4.4 16:00 .035 3.5 8.0 4.5 17:00 .030 3.5 8.4 4.8 18:00 19:00 20:00 21:00 22:00 23:00 Average .023 4.2 10.3 6.0 Max .036 6.4 17.3 11.5 Max Hour 14:00 06:00 03:00 03:00 Min .009 3.2 6.7 3.5 Count 18 18 18 18 Total Date Printed: 8/22/2025 19:01 Daily Summary Report Site: Hattie Avenue (A) 8/22/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .013 .3 3.1 3.4 .0 01:00 .014 .2 2.5 2.7 .0 02:00 .014 .2 2.1 2.4 .0 03:00 .018 .1 1.6 1.8 .0 04:00 .018 .1 1.6 1.8 .0 05:00 .019 .1 2.3 2.4 .0 06:00 .021 .1 2.2 2.4 .0 07:00 .023 .2 2.3 2.6 .0 08:00 .025 .3 2.1 2.5 .0 09:00 .028 .2 1.6 1.9 .0 10:00 .031 .2 1.4 1.7 .0 11:00 .034 .1 1.3 1.5 .0 12:00 .035 .1 1.3 1.5 .0 13:00 .036 .0 1.4 1.4 .0 14:00 .036 .1 1.7 1.8 .0 15:00 .038 .1 C 1.6 C 1.8 C .0 16:00 .037 C C C .0 17:00 .033 .1 C 2.7 C 2.9 C .0 18:00 19:00 20:00 21:00 22:00 23:00 Average .026 .1 1.9 2.1 .0 Max .038 .3 3.1 3.4 .0 Max Hour 15:00 08:00 00:00 00:00 17:00 Min .013 .0 1.3 1.4 .0 Count 18 17 17 17 18 Total Date Printed: 8/22/2025 19:01 Daily Summary Report Site: Hattie Avenue (B) 8/22/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 4.8 11.4 6.3 01:00 4.5 10.6 5.8 02:00 4.5 10.6 5.8 03:00 4.7 10.5 5.5 04:00 5.3 10.9 5.3 05:00 6.3 10.5 4.0 06:00 5.2 10.4 4.9 07:00 4.4 9.6 5.0 08:00 3.9 9.9 5.8 09:00 3.5 7.7 4.0 10:00 3.5 7.4 3.6 11:00 3.3 6.5 3.0 12:00 3.5 8.3 4.5 13:00 3.5 7.4 3.6 14:00 3.7 8.2 4.1 15:00 3.8 9.0 4.7 16:00 3.8 8.4 4.3 17:00 3.8 8.4 4.4 18:00 19:00 20:00 21:00 22:00 23:00 Average 4.2 9.2 4.7 Max 6.3 11.4 6.3 Max Hour 05:00 00:00 00:00 Min 3.3 6.5 3.0 Count 18 18 18 Total Date Printed: 8/22/2025 19:01 Daily Summary Report Site: Union Cross 8/22/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .017 735.7 72.5 69.3 01:00 .017 735.4 72.0 68.7 02:00 .017 735.6 71.4 68.5 03:00 .019 735.6 70.8 67.8 04:00 .020 736.1 69.9 66.9 05:00 .021 736.7 69.3 65.9 06:00 .023 737.2 68.7 64.1 07:00 .024 737.5 69.0 63.5 08:00 .026 737.5 70.1 63.6 09:00 .029 B 737.8 71.7 63.6 10:00 .032 737.9 73.1 63.8 11:00 .033 737.9 74.2 64.2 12:00 .034 737.7 75.1 64.5 13:00 .034 737.6 75.5 64.8 14:00 .035 737.3 75.7 65.1 15:00 .038 736.9 76.9 65.3 16:00 .039 736.9 76.7 65.6 17:00 .035 736.9 75.9 65.7 18:00 19:00 20:00 21:00 22:00 23:00 Average .027 736.9 72.6 65.6 Max .039 737.9 76.9 69.3 Max Hour 16:00 11:00 15:00 00:00 Min .017 735.4 68.7 63.5 Count 18 18 18 18 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