Official monitor · measured
Northfield
South Australia · a real government monitoring station — these are measured readings, not an estimate.
Good
· 22 2 h ago
Source: EPA South Australia · observed Wed, 11 Nov, 12:30 pm AEDT Reference-grade
Current readings
| Pollutant | Value | Avg | National | Source says |
|---|---|---|---|---|
| Ozone (O₃) | 0.022 ppm | 1h | — | — |
| Nitrogen dioxide (NO₂) | 0.002 ppm | 1h | — | — |
The national category is computed consistently from raw concentrations (enHealth / Air NEPM). "Source says" is the agency's own official category/index, preserved so we never hide what they reported.
Location
-34.8610, 138.6220 · observed Wed, 11 Nov, 12:30 pm AEDT