This will depend heavily on the virus you are asking about - the influenza virus is relatively hardy while the HIV virus is destroyed pretty quick.
A virus that can survive to infect others through the air is called an airborne virus.
For a short period of time, HIV does survive on a needle in air.
For a short period of time, HIV does survive on a needle in air.
few seconds
Aids depends on the right conditions to survive. it will not survive for long outside a live host.
The influenza virus is destroyed by heat at 167o - 212o F (75o - 100o C). The length of time it could survive or if it could survive at 160o is debatable.
24 hours
HIV virus can not survive in hot water.
Yes, because a virus can survive anywhere.
until your air runs out or forever
yes, but not that long, they will die out eventually.
NO, The HIV virus becomes inactive and unable to infect when it is exposed to air.