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Air Quality Monitor

Air Quality Monitor

Get live air quality data in your local area. Air quality can significantly influence your health and trigger various health issues, both immediate and prolonged. NowPatient provides personalised risk notifications based on your underlying health conditions and prevailing air quality.

How it works

Step 1

Go to your account dashboard

Smartphone displaying a health profile app with a user's name, address, and a notification for an nhs prescription.
Step 2

Locate the Air Quality Widget

Smartphone displaying an app with "my favorite widgets" screen showing widgets for pollen count and air quality, each with a gauge and a numerical value.
Step 3

Daily updates

View the Widget to check the status of the Air Quality on the day. The widget updates once a day, based on your location.

Smartphone screen displaying an app named "my favorite widgets" with widgets showing air quality and pollen count levels.
Step 4

Stay one step ahead

If you are classified in an at-risk group, you will see a notification on the widget and receive a push notification to advise you on what precautionary and mitigation measures to take when risk levels are Moderate to Hazardous. If you are not in an at-risk group, we will send you notifications if risk levels are unhealthy to hazardous.

Smartphone displaying a notification about excellent air quality in the region, dated july 8, 2025.

What do the scores mean?

The AQI is divided into six categories. Each category corresponds to a different level of health concern and corresponding intervention notice that you may receive.

AQI is an index score that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.

AQI values at or below 100 are generally thought of as satisfactory. When AQI values are above 100, air quality is unhealthy, at first for certain sensitive groups of people, then for everyone as AQI values get higher.

Daily AQI Color

Levels of Concern

Values of Index

Description of Air Quality

UK Air Advice Notification At Risk Individuals

UK Air Advice Notification for General Population

Green

Good

0-50

Air quality is satisfactory, and air pollution poses little or no risk

Enjoy your usual outdoor activities

Enjoy your usual outdoor activities

Yellow

Moderate

51-100

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution

Adults and children with lung problems, and adults with heart problems, who experience symptoms, should consider reducing strenuous physical activity, particularly outdoors

Enjoy your usual outdoor activities

Orange

Unhealthy for sensitive groups

101 to 150

Members of sensitive groups may experience health effects. The general public is less likely to be affected

Adults and children with lung problems, and adults with heart problems, who experience symptoms, should consider reducing strenuous physical activity, particularly outdoors

Enjoy your usual outdoor activities

Red

Unhealthy

151-200

Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects

Adults and children with lung problems, and adults with heart problems should consider reducing strenuous physical exertion, particularly outdoors, and particularly if they experience symptoms. People with asthma may find they need to use their reliever inhaler more often. Older people should also reduce physical exertion

Anyone experiencing discomfort such as sore eyes, cough or sore throat should consider reducing activity, particularly outdoors

Purple

Very unhealthy

201 to 300

Health alert: The risk of health effects is increased for everyone

Adults and children with lung problems, and adults with heart problems should consider reducing strenuous physical exertion, particularly outdoors, and particularly if they experience symptoms. People with asthma may find they need to use their reliever inhaler more often. Older people should also reduce physical exertion

Anyone experiencing discomfort such as sore eyes, cough or sore throat should consider reducing activity, particularly outdoors

Maroon

Hazardous

301 and higher

Health warning of emergency conditions: everyone is more likely to be affected

Adults and children with lung problems, adults with heart problems, and older people, should avoid strenuous physical activity. People with asthma may find they need to use their reliever inhaler more often

Reduce physical exertion, particularly outdoors, especially if you experience symptoms such as cough or sore throat

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