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| 2018 Sorted by Maximum Value | |||||||
|---|---|---|---|---|---|---|---|
| Location | Region | CAMS | AQS | Date | Time | Value | POC |
| Jean | 1 | 1019 | 32_003_1019 | June 27 2018 | 10:00 | 81 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | July 16 2018 | 11:00 | 80 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | August 6 2018 | 10:00 | 79 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 16 2018 | 10:00 | 79 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | July 15 2018 | 10:00 | 78 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | June 27 2018 | 10:00 | 78 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 10 2018 | 10:00 | 78 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 14 2018 | 10:00 | 78 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 14 2018 | 09:00 | 78 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | June 27 2018 | 09:00 | 78 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 17 2018 | 10:00 | 77 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | August 6 2018 | 10:00 | 77 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | June 19 2018 | 11:00 | 77 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 26 2018 | 10:00 | 77 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 26 2018 | 10:00 | 77 | 1 |
| Jean | 1 | 1019 | 32_003_1019 | June 23 2018 | 11:00 | 77 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 23 2018 | 11:00 | 76 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | June 23 2018 | 11:00 | 76 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | June 27 2018 | 10:00 | 76 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | July 27 2018 | 09:00 | 76 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | August 6 2018 | 10:00 | 76 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | June 27 2018 | 10:00 | 76 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | June 27 2018 | 10:00 | 75 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 16 2018 | 11:00 | 75 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 26 2018 | 09:00 | 75 | 1 |
| Palo Verde | 1 | 73 | 32_003_0073 | July 16 2018 | 10:00 | 75 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | June 23 2018 | 12:00 | 75 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | June 19 2018 | 12:00 | 75 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 10 2018 | 10:00 | 75 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | July 3 2018 | 09:00 | 75 | 1 |
| Apex | 1 | 22 | 32_003_0022 | June 27 2018 | 09:00 | 74 | 1 |
| Apex | 1 | 22 | 32_003_0022 | August 1 2018 | 10:00 | 74 | 1 |
| Apex | 1 | 22 | 32_003_0022 | August 6 2018 | 11:00 | 74 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 17 2018 | 09:00 | 74 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | June 8 2018 | 10:00 | 74 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | June 20 2018 | 11:00 | 74 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | June 30 2018 | 10:00 | 74 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 27 2018 | 09:00 | 74 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | August 7 2018 | 10:00 | 74 | 1 |
| Palo Verde | 1 | 73 | 32_003_0073 | July 17 2018 | 09:00 | 74 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | August 7 2018 | 09:00 | 74 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | May 8 2018 | 10:00 | 74 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 23 2018 | 10:00 | 74 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | August 6 2018 | 10:00 | 74 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | May 17 2018 | 11:00 | 74 | 1 |
| Apex | 1 | 22 | 32_003_0022 | July 10 2018 | 10:00 | 73 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | August 7 2018 | 09:00 | 73 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 10 2018 | 08:00 | 73 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 31 2018 | 10:00 | 73 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | July 31 2018 | 10:00 | 73 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | August 9 2018 | 10:00 | 73 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 15 2018 | 10:00 | 73 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 30 2018 | 09:00 | 73 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | May 8 2018 | 10:00 | 73 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 15 2018 | 10:00 | 73 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 16 2018 | 11:00 | 73 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 23 2018 | 10:00 | 73 | 1 |
| Jean | 1 | 1019 | 32_003_1019 | June 26 2018 | 12:00 | 73 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | June 8 2018 | 10:00 | 73 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | June 23 2018 | 13:00 | 73 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | June 19 2018 | 10:00 | 72 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | June 23 2018 | 10:00 | 72 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 14 2018 | 09:00 | 72 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 22 2018 | 09:00 | 72 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 26 2018 | 09:00 | 72 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 27 2018 | 09:00 | 72 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | August 11 2018 | 11:00 | 72 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | May 29 2018 | 10:00 | 72 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | June 19 2018 | 10:00 | 72 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 3 2018 | 09:00 | 72 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 25 2018 | 09:00 | 72 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | August 3 2018 | 10:00 | 72 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | August 11 2018 | 10:00 | 72 | 1 |
| Palo Verde | 1 | 73 | 32_003_0073 | June 27 2018 | 10:00 | 72 | 1 |
| Palo Verde | 1 | 73 | 32_003_0073 | August 6 2018 | 10:00 | 72 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | June 20 2018 | 11:00 | 72 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | June 23 2018 | 10:00 | 72 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | June 27 2018 | 10:00 | 72 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | June 22 2018 | 11:00 | 72 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 25 2018 | 10:00 | 72 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | August 1 2018 | 09:00 | 72 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | August 7 2018 | 10:00 | 72 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | June 23 2018 | 10:00 | 72 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | July 30 2018 | 10:00 | 72 | 1 |
| Boulder City | 1 | 601 | 32_003_0601 | June 27 2018 | 10:00 | 72 | 1 |
| Jean | 1 | 1019 | 32_003_1019 | June 1 2018 | 11:00 | 72 | 1 |
| Jean | 1 | 1019 | 32_003_1019 | August 11 2018 | 10:00 | 72 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | June 25 2018 | 10:00 | 72 | 1 |
| Indian Springs | 1 | 7772 | 32_003_7772 | June 26 2018 | 10:00 | 72 | 1 |
| Apex | 1 | 22 | 32_003_0022 | May 7 2018 | 09:00 | 71 | 1 |
| Apex | 1 | 22 | 32_003_0022 | July 26 2018 | 09:00 | 71 | 1 |
| Apex | 1 | 22 | 32_003_0022 | August 7 2018 | 10:00 | 71 | 1 |
| Apex | 1 | 22 | 32_003_0022 | August 12 2018 | 10:00 | 71 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | June 8 2018 | 09:00 | 71 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | June 20 2018 | 11:00 | 71 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | June 30 2018 | 10:00 | 71 | 1 |
| Paul Meyer | 1 | 43 | 32_003_0043 | July 25 2018 | 09:00 | 71 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 15 2018 | 09:00 | 71 | 1 |
| Walter Johnson | 1 | 71 | 32_003_0071 | July 22 2018 | 08:00 | 71 | 1 |
| Palo Verde | 1 | 73 | 32_003_0073 | June 23 2018 | 11:00 | 71 | 1 |
| Joe Neal | 1 | 75 | 32_003_0075 | June 8 2018 | 09:00 | 71 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | June 9 2018 | 08:00 | 71 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 3 2018 | 08:00 | 71 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | July 16 2018 | 11:00 | 71 | 1 |
| Green Valley | 1 | 298 | 32_003_0298 | August 11 2018 | 11:00 | 71 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | August 6 2018 | 10:00 | 71 | 1 |
| Jerome Mack | 1 | 540 | 32_003_0540 | August 7 2018 | 09:00 | 71 | 1 |
| Jean | 1 | 1019 | 32_003_1019 | June 8 2018 | 13:00 | 71 | 1 |
| Jean | 1 | 1019 | 32_003_1019 | July 3 2018 | 07:00 | 71 | 1 |
| POC (Parameter Occurrence Code): a code used to correctly separate data from multiple instruments at one site. | |||||||
Each NAAQS pollutant has a separate AQI scale, with an AQI rating of 100 corresponding to the concentration of the Federal Standard for that pollutant. Additional information about the AQI and how it can be used is available from the EPA's AirNow web site.
Place your mouse pointer over the scale displayed above to view information about the Air Quality Index, and each of the rating levels.
The actual index calculation is different for each parameter measured and is specified by the EPA. The following table shows the various breakpoints used in calculating the AQI.
| AQI Breakpoint Definitions | ||
|---|---|---|
| AQI Range | 1hr Ozone in ppm |
8hr Ozone in ppm |
| 0 - 50 | Not Defined | 0 - 0.054 |
| 51 - 100 | Not Defined | 0.055 - 0.070 |
| 101 - 150 | 0.125 - 0.164 | 0.071 - 0.085 |
| 151 - 200 | 0.165 - 0.204 | 0.086 - 0.105 |
| 201 - 300 | 0.205 - 0.404 | 0.106 - 0.200 |
| 301 - 400 | 0.405 - 0.504 | 0.201 - 0.2011 |
| 401 - 500 | 0.505 - 0.604 | Not Defined |
| 500+ | Not Defined | Not Defined |
PLEASE NOTE: This data has not been verified by the Clark County Department of Air Quality and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from Clark County Department of Air Quality ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.