AQI

Level

Condition

Health Implications

0 - 50

Green

Excellent

No Health Implications.

51 - 100

Yellow

Good

Few hypersensitive individuals should reduce outdoor exercise.

101 - 150

Orange

Lightly Polluted

Slight irritations may occur, individuals with breathing or heart problems should reduce outdoor exercise.

151 - 200

Red

Moderately Polluted

Slight irritations may occur, individuals with breathing or heart problems should reduce outdoor exercise.

201 - 300

Purple

Heavily Polluted

Healthy people will be noticeably affected. People with breathing or heart problems will experience reduced endurance in activities. These individuals and elders should remain indoors and restrict activities.

300+

Maroon

Severely Polulted

Healthy people will experience reduced endurance in activities. There may be strong irritations and symptoms and may trigger other illnesses. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.