{{-- Location: COP16 Riyadh 2024 --}}
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| No. | Pollutant | Averaging Time | Standard | Allowed Exceedances |
|---|---|---|---|---|
| 1 | Carbon Monoxide CO | 1 hour | 40000 ug/m³ | Once per year |
| 2 | Nitrogen Dioxide NO2 | 1 hour | 200 ug/m³ | 24 times per year |
| 3 | Sulfur Dioxide SO2 | 1 hour | 441 ug/m³ | 24 times per year |
| 4 | Ozone O3 | 8 hours | 157 ug/m³ | 25 days per year, averaged over three years |
| 5 | Particulate Matter PM10 | 24 hours | 340 ug/m³ | 12 times per year |
| 6 | Particulate Matter PM2.5 | 24 hours | 35 ug/m³ | 6 times per year |
| 7 | Ammonia NH3 | 1 hour | 180 ug/m³ (≈0.00018 ppm) | — |
| 8 | Hydrogen Sulfide H2S | 1 hour | 14 ug/m³ (≈0.000014 ppm) | — |
| 9 | Total Volatile Organic Compounds TVOC | — | 0.02 ppm (≈20000 µg/m³) | — |
| 10 | Noise | — | 65–70 dB | — |
| 11 | Formaldehyde CH2O | — | 0.065 mg/m³ (≈65 µg/m³) | — |
| 12 | Total Suspended Particles TSP | — | — | — |
| 13 | Wind Speed WS | — | 1–5 m/s | — |