TV Weather - Air Quality Guide for Particle Pollution - Air Quality Index (AQI) At-A-Glance Messages

Particle Pollution
Air Quality Index (AQI) At-A-Glance Messages

Use this messaging grid when particles are the primary pollutant of concern - and ozone levels are green or yellow.

AQI color code

Who is affected?

What is the significance?

What action should people take?

Green

-

Air quality is good

Enjoy activities

Yellow

People who are unusually sensitive to air pollution

Air quality is a concern for people who are unusually sensitive to air pollution

People unusually sensitive to air pollution: Plan strenuous activities when air quality is better

Orange

People with heart or lung disease (including asthma), older adults, and children

Air quality is unhealthy for people in sensitive groups

Sensitive groups: Cut back or reschedule strenuous activities

Red

Everyone, especially people with heart or lung disease (including asthma), older adults, and children

Air quality is unhealthy for everyone

Everyone: Cut back or reschedule strenuous activities

Sensitive groups: Avoid strenuous activities

Purple

Everyone, especially people with heart or lung disease (including asthma), older adults, and children

Air quality is very unhealthy for everyone

Everyone: Significantly cut back on physical activities

Sensitive groups: Avoid all physical activities


Ozone
Air Quality Index (AQI) At-A-Glance Messages

Use this messaging grid when ozone is the primary pollutant of concern - and particle levels are green or yellow.

AQI color code

Who is affected?

What is the significance?

What action should people take?

Green

-

Air quality is good

Enjoy activities

Yellow

People who are unusually sensitive to air pollution

Air quality is a concern for people who are unusually sensitive to air pollution

People unusually sensitive to air pollution: Plan strenuous outside activities when air quality is better

Orange

People with lung disease (including asthma), active adults, and children

Air quality is unhealthy for people in sensitive groups

Sensitive groups: Cut back or reschedule strenuous outside activities

Red

Everyone, especially people with lung disease (including asthma), active adults, and children

Air quality is unhealthy for everyone

Everyone: Cut back or reschedule strenuous outside activities

Sensitive groups: Avoid strenuous outside activities

Purple

Everyone, especially people with lung disease (including asthma), active adults, and children

Air quality is very unhealthy for everyone

Everyone: Significantly cut back on outside physical activities

Sensitive groups: Avoid all outside physical activities


Ozone and Particle Combinations
Air Quality Index (AQI) At-A-Glance Messages

Use this grid when both pollutants are at unhealthy levels (orange, red, or purple).

Always refer to the message for the higher-level pollutant.

Pollutants and AQI color codes

Who is affected?

What is the significance?

What action should people take?

Ozone and particle pollution: orange/orange

Active adults, people with heart or lung disease (including asthma), older adults, and children

Air quality is unhealthy for many people

Sensitive Groups: Cut back or reschedule strenuous activities

Ozone and particle pollution:

red/orange, orange/red, or red/red

Everyone, especially people with heart or lung disease

Air quality is unhealthy for everyone

Everyone:
Avoid strenuous activities

Ozone and particle pollution: purple/orange,
orange/purple,
purple/red,
red/purple, or
purple/purple

Everyone, especially people with heart or lung disease

Air quality is very unhealthy for everyone

Everyone: Avoid physical activities


This page was last updated on Monday, May 06, 2013