Weather Phenomena
Priority of main weather phenomena: Snowfall > Rainfall > Fog > Sandstorm > Dust > Haze > Strong Wind > Overcast > Partly Cloudy > Clear
| Weather Phenomenon | Code | Notes |
|---|---|---|
| Clear (Day) | CLEAR_DAY | cloudrate < 0.2 |
| Clear (Night) | CLEAR_NIGHT | cloudrate < 0.2 |
| Partly Cloudy (Day) | PARTLY_CLOUDY_DAY | 0.8 >= cloudrate > 0.2 |
| Partly Cloudy (Night) | PARTLY_CLOUDY_NIGHT | 0.8 >= cloudrate > 0.2 |
| Overcast | CLOUDY | cloudrate > 0.8 |
| Light Haze | LIGHT_HAZE | PM2.5 100~150 |
| Moderate Haze | MODERATE_HAZE | PM2.5 150~200 |
| Heavy Haze | HEAVY_HAZE | PM2.5 > 200 |
| Light Rain | LIGHT_RAIN | See Precipitation Intensity |
| Moderate Rain | MODERATE_RAIN | See Precipitation Intensity |
| Heavy Rain | HEAVY_RAIN | See Precipitation Intensity |
| Storm Rain | STORM_RAIN | See Precipitation Intensity |
| Fog | FOG | Low visibility, high humidity, low wind speed, low temperature |
| Light Snow | LIGHT_SNOW | See Precipitation Intensity |
| Moderate Snow | MODERATE_SNOW | See Precipitation Intensity |
| Heavy Snow | HEAVY_SNOW | See Precipitation Intensity |
| Storm Snow | STORM_SNOW | See Precipitation Intensity |
| Dust | DUST | AQI > 150, PM10 > 150, humidity < 30%, wind speed < 6 m/s |
| Sand | SAND | AQI > 150, PM10 > 150, humidity < 30%, wind speed > 6 m/s |
| Wind | WIND |