The phrase "air block" is correct and usable in written English.
It can be used in contexts related to aviation, air travel, or even in discussions about air quality or airflow in various systems.
Example: "The air block created turbulence during the flight, causing discomfort for the passengers."
Alternatives: "air barrier" or "air obstruction".
Overall, Figure 6 indicates that a moist air block passed over the campaign site, causing the detection of a large amount of water vapor on 26 to 29 July.
Fine particles of silica and other residues in volcanic ash pollute the air, block out sun stifling plant growth, and attack lungs.
A small inferior iridectomy at the 6 o'clock position was then created using a 25-gauge vitreous cutter (MIDLAB, San Leandro, CA) under continuous irrigation from a 25-gauge anterior chamber maintainer (Kobayashi 25 g DSAEK Chamber Maintainer, Catalog AE-78022, ASICO, Westmont, IL) to prevent papillary air block after surgery.
Meanwhile, air circulation in the valley is stymied by temperature inversion, in which a blanket of hot polluted air blocks the normal vertical movement of air.
On Friday in Port-au-Prince's western suburb of Martissant, protesters fired shots in the air, blocked a highway with burning tires and smashed car windows, witnesses said.
This trapped air blocked access to the immobilized probes, causing effective inhomogeneity in probe distribution.
The motor magnets are just to the right of the air bearing block.
There would be enough dust thrown into the air to block out the sun for several years.
Today, the birds sing from inside darkened wooden boxes that let in air but block out the outside world.
With 20 seconds left, Salvi lumbered through a clear path to the basket when Postell materialized and flew into the air to block the shot.
Rubble from the buildings that were flattened by artillery fire, barrel bombs or air strikes block many of the streets.
