| Air Quality | Good | Moderate | Unhealthy for Sensitive Groups | Unhealthy | Very Unhealthy | Hazardous |
|---|---|---|---|---|---|---|
| Recess (15 minutes) |
No restrictions. |
Ensure that sensitive individuals are medically managing their condition. |
Sensitive individuals should exercise indoors or avoid vigorous outdoor activities. |
Exercise indoors or avoid vigorous outdoor activities. Sensitive individuals should remain indoors. |
No outdoor activity. All activities should be moved indoors. |
No outdoor or indoor activities. |
| P.E. (1 hour) |
No restrictions. |
Ensure that sensitive individuals are medically managing their condition. |
Sensitive individuals should exercise indoors or avoid vigorous outdoor activities. |
Exercise indoors or limit vigorous outdoor activities to a maximum of 15 minutes. Sensitive individuals should remain indoors. |
No outdoor activity. All activities should be moved indoors. |
No outdoor or indoor activities. |
| Athletic Practice & Training (2-4 hours) |
No restrictions. |
Ensure that sensitive individuals are medically managing their condition. |
Reduce vigorous exercise to 30 min per hour of practice time with increased breaks and substitutions. Ensure that sensitive individuals are medically managing their condition. |
Exercise indoors or reduce vigorous exercise to 30 minutes of practice time with increased rest breaks and substitutions. Sensitive individuals should remain indoors. |
No outdoor activity. All activities should be moved indoors. |
No outdoor or indoor activities. |
| Scheduled Sporting Events |
No restrictions. |
Ensure that sensitive individuals are medically managing their condition. |
Increase rest breaks and substitutions per CIF guidelines for extreme heat. Ensure that sensitive individuals are medically managing their condition. |
Increase rest breaks and substitutions per CIF guidelines for extreme heat. Ensure that sensitive individuals are medically managing their condition. |
No outdoor activity. All activities should be moved indoors. |
No outdoor or indoor activities. |
|
PM2.5
AQI
|
0.0 – 12.0 µg/m³
1 – 50
|
12.1 – 35.4 µg/m³
51 – 100
|
35.5 – 55.4 µg/m³
101 – 150
|
55.5 – 150.4 µg/m³
151 – 200
|
150.5 – 250.4 µg/m³
201 – 300
|
≥250.5 µg/m³
≥301
|
|
AQI is based on 24-hour average PM2.5 conentration. Guidelines are based on hourly PM2.5 concentration. |
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