ADJ

hot, warm
chill, cold, cool, crisp
clean, clear, fresh, pure
We need some fresh air in this stuffy room!
sweet
The air was sweet with incense
foul/ foul-smelling, polluted, stale
the polluted air of our cities the musty smell of stale air
damp, humid
dry
still
Nothing moved in the still air
thin
It's difficult carrying such heavy loads in the thin air of the mountains
thick
The air was thick with cigarette smoke
country, mountain, sea
evening, morning, night
Music filled the night air

QUANT

blast, gust
We felt a blast of cold air as she opened the door
current
warm currents of air
breath
He drew in another breath of air

VERB + AIR

breathe (in), gulp in, suck in
Land crabs breathe air and cannot swim. She gulped in the fresh mountain air
fight for, gasp for
She was gasping for air as she ran out of the burning house
smell, sniff
The dog stretched and sniffed the air
fill, hang in
The tang of some wild herb hung in the air

AIR + VERB

blow, rise, waft
The cool night air wafted in the open windows

AIR + NOUN

pollution
quality
equipment to monitor air quality
pressure
current

PREP

in/into the ~
I kicked the ball high into the air
through the ~
Spicy smells wafted through the air

PHRASES

in the open air (= outside)
The market is held in the open air

AIR + NOUN

travel
fare
traffic
We are cleared by Air Traffic Control to taxi and take off
crash, disaster
attack, strike
Three buildings were bombed last night in an air strike on the city

PREP

by ~ (= by plane)
It only takes three hours by air
from the ~
The hideout is clearly visible from the air

PHRASES

in mid-air
The two planes collided in mid air

VERB + AIR

have, retain
You have an air of authority
add, bring, give (sth)
A stone balcony gives the building an air of elegance

PREP

with an/the ~
He leaned towards Melissa with an air of great confidentiality
~ of