| ID | |||
|---|---|---|---|
| O3 | OZONE | Parts per billion | |
| NO | NITRIC OXIDE | Parts per billion | |
| NO2 | NITROGEN DIOXIDE | Parts per billion | |
| NOX | OXIDES OF NITROGEN | Parts per billion | |
| SO2 | SULFUR DIOXIDE | Parts per billion | |
| CO | CARBON MONOXIDE | Parts per ten million | |
| H2S | HYDROGEN SULFIDE | Parts per billion | |
| TMP | AMBIENT TEMPERATURE | Degrees F | |
| WSP | WIND SPEED | Miles per hour | |
| WDR | WIND DIRECTION | Degrees of the compass | |
| SOL | SOLAR RADIATION | Langleys | |
| PRS | ATMOSPHERIC PRESSURE | Inches of Mercury | |
| PKW | PEAK WIND | Miles per hour | |
| TE1 | NEAR REAL TIME PM10 (primary) | Micro grams per cubic meter | |
| TE2 | NEAR REAL TIME PM10 (co-located) | Micro grams per cubic meter | |
| RH | RELATIVE HUMIDITY | Per cent | |
| IT | INSTRUMENT SHELTER TEMPERATURE | Degrees F |