What is Air Quality Index AQ.04?

Air Quality Index AQ.04 is "AQI - Unhealthy (151-200)". Air Quality Index code AQ.04 covers "AQI - Unhealthy (151-200)" at level 2 of the Air Quality Index hierarchy.

What is the parent category of AQ.04?

AQ.04 AQI - Unhealthy (151-200) sits under AQ.04 AQI - Unhealthy (151-200) in the Air Quality Index hierarchy.

Air Quality Index Types - Global

AQ.04 AQI - Unhealthy (151-200)

Air Quality Index classification code AQ.04 covers "AQI - Unhealthy (151-200)" at level 2 of the Air Quality Index hierarchy.

Level 2

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Where AQ.04 sits in the Air Quality Index hierarchy

>AQ Air Quality Index Types
>>AQ.04 AQI - Unhealthy (151-200)
>>AQ.04 AQI - Unhealthy (151-200)

Other Air Quality Index codes under AQ.04 AQI - Unhealthy (151-200)

Frequently asked questions

What is Air Quality Index AQ.04?: Air Quality Index AQ.04 is "AQI - Unhealthy (151-200)". Air Quality Index code AQ.04 covers "AQI - Unhealthy (151-200)" at level 2 of the Air Quality Index hierarchy.
What is the parent category of AQ.04?: AQ.04 AQI - Unhealthy (151-200) sits under AQ.04 AQI - Unhealthy (151-200) in the Air Quality Index hierarchy.

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