| Pollutant |
Concentration |
AQI Category |
AQI Range |
Cautionary Health Statement |
| Ozone |
0.000 to 0.059 ppm-8hr |
Good |
0 - 50 |
No special precautions are suggested. |
| 0.060 to 0.075 ppm-8hr |
Moderate |
51 - 100 |
Unusually sensitive people should consider limiting prolonged outdoor exertion. |
| 0.076 to 0.095 ppm-8hr |
Unhealthy
for
Sensitive Groups |
101 - 150 |
Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 0.096 to 0.115 ppm-8hr |
Unhealthy |
151 - 200 |
Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion. |
| 0.116 to 0.374 ppm-8hr |
Very Unhealthy |
201 - 300 |
Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. |
| Particulate Matter(10) |
|---|
Particles up to 10 micrometers in diameter
|
|
0 to 54 µg/m3-24hr |
Good |
0 - 50 |
No special precautions are suggested. |
| 55 to 154 µg/m3-24hr |
Moderate |
51 - 100 |
No special precautions are suggested. |
| 155 to 254 µg/m3-24hr |
Unhealthy
for
Sensitive Groups |
101 - 150 |
People with respiratory disease, such as asthma, should limit outdoor exertion. |
| 255 to 354 µg/m3-24hr |
Unhealthy |
151 - 200 |
People with respiratory disease, such as asthma, should avoid outdoor exertion; everyone else, especially the elderly and children, should limit prolonged outdoor exertion. |
| 355 to 424 µg/m3-24hr |
Very Unhealthy |
201 - 300 |
People with respiratory disease, such as asthma, should avoid any outdoor activity; everyone else, especially the elderly and children, should limit outdoor exertion. |
| Particulate Matter(2.5) |
|---|
Particles up to 2.5 micrometers in diameter
|
|
0 to 15.4 µg/m3-24hr |
Good |
0 - 50 |
No special precautions are suggested. |
| 15.5 to 35.4 µg/m3-24hr |
Moderate |
51 - 100 |
No special precautions are suggested. |
| 35.5 to 40.4 µg/m3-24hr |
Unhealthy
for
Sensitive Groups (provisionally) |
101 - 109 |
People with respiratory or heart disease, the elderly, and children should limit prolonged exertion. |
| 40.5 to 65.4 µg/m3-24hr |
Unhealthy
for
Sensitive Groups |
109 - 150 |
People with respiratory or heart disease, the elderly, and children should limit prolonged exertion. |
| 65.5 to 150.4 µg/m3-24hr |
Unhealthy |
151 - 200 |
People with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. |
| 150.5 to 250.4 µg/m3-24hr |
Very Unhealthy |
201 - 300 |
People with respiratory or heart disease, the elderly, and children should avoid any outdoor activity; everyone else should avoid prolonged exertion. |
| Carbon Monoxide |
0.0 to 4.4 ppm-8hr |
Good |
0 - 50 |
No special precautions are suggested. |
| 4.5 to 9.4 ppm-8hr |
Moderate |
51 - 100 |
No special precautions are suggested. |
| 9.5 to 12.4 ppm-8hr |
Unhealthy
for
Sensitive Groups |
101 - 150 |
People with cardiovascular disease, such as angina, should limit heavy exertion and avoid sources of CO, such as heavy traffic |
| 12.5 to 15.4 ppm-8hr |
Unhealthy |
151 - 200 |
People with cardivascular disease, such as angina, should limit moderate exertion and avoid sources of CO, such as heavy traffic. |
| 15.5 to 30.4 ppm-8hr |
Very Unhealthy |
201 - 300 |
People with cardiovascular disease, such as angina, should avoid exertion and sources of CO, such as heavy traffic |
