|
Stevenson Screen webcam
Is this the first ever Stevenson Screen webcam ???
PM2.5 Particle pollution monitor
from Mareeba QLD Australia
|
Health category |
24-hour PM2.5
μg/m3 |
|
Low |
0–8.9 |
|
Moderate |
9.0–25.9 |
|
Unhealthy – sensitive |
26.0–39.9 |
|
Unhealthy – all |
40.0–106.9 |
|
Very unhealthy – all |
107.0–177.9 |
|
Hazardous (high) |
Greater than 177.9 |
|
Hazardous (extreme) |
Greater than 250 |
Storm Glass
-
If the liquid in the glass is clear, the weather
will be bright and clear.
-
If the liquid is cloudy, the weather will be cloudy
as well, perhaps with precipitation.
-
If there are small dots in the liquid, humid or
foggy weather can be expected.
-
A cloudy glass with small stars indicates
thunderstorms.
-
If the liquid contains small stars on sunny winter
days, then snow is coming.
-
If there are large flakes throughout the liquid, it
will be overcast in temperate seasons or snowy in the
winter.
-
If there are crystals at the bottom, this indicates
frost.
-
If there are threads near the top, it will be windy
|