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Air Quality Forecast
Air Quality Data
Current and expected air quality concentrations for the upcoming 24 hours. Air quality forecasts are scheduled to be updated by 3:00 pm weekdays and other times as necessary. Forecasts are also available on the Bureau's Air Quality Hotline at (800) 223-1196.
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Forecasts on Twitter.Today's Forecast: Jan 22, 2021
| Region | Ozone | Particle |
|---|---|---|
| Northern | Good | Moderate |
| Western Mtns | Good | Good |
| Western Interior | Good | Good |
| Eastern Interior | Good | Good |
| Southwest Coast | Good | Good |
| Mid-Coast | Good | Good |
| Downeast | Good | Good |
| High Elevation | Good | Good |
Ozone
Particle Pollution
Forecast Details: Updated Thursday January 21 at 2:00 PM. Friday's Air Quality Forecast for Ozone is GOOD statewide while Particle Pollution is MODERATE for the Northern region and GOOD for the remainder of the state. [Particle pollution values were reaching the moderate range on Thursday and this is expected to continue into Friday. However, conditions are not as favorable for particle pollution buildup in other areas of the state. Regarding coarse particles we have been seeing some higher values. Coarse particle pollution tends to be very localized. Once dried, the sand & salt along roads & parking lots is easily stirred up by wind and traffic. These particles tend to drop out quickly which is why this tends to be very localized.] -- Webster
Tomorrow's Forecast: Jan 23, 2021
| Region | Ozone | Particle |
|---|---|---|
| Northern | Good | Good |
| Western Mtns | Good | Good |
| Western Interior | Good | Good |
| Eastern Interior | Good | Good |
| Southwest Coast | Good | Good |
| Mid-Coast | Good | Good |
| Downeast | Good | Good |
| High Elevation | Good | Good |
Ozone
Particle Pollution
Forecast Details: Issued Friday January 22 at 1:39 PM. Saturday's Air Quality Forecast for Ozone and Particle Pollution is GOOD statewide. [Winds pick up so particle pollution levels will decrease except for the small portion that is included in coarse particles. Regarding coarse particles we have been seeing some higher values. Coarse particle pollution tends to be very localized. Once dried, the sand & salt along roads & parking lots is easily stirred up by wind and traffic. These particles tend to drop out quickly which is why this tends to be very localized.] -- Webster
Forecast regions are used to refer to general geographic areas of the state and air pollution obviously is not contained by these boundaries. If a region adjacent to the region containing your particular town is forecasted to have poorer air quality than your region, you might consider noting the health effects associated with the poorer air quality and take appropriate actions.
| Air Quality Descriptor | Color Code | Health Effects |
|---|---|---|
| Good | GREEN | No Health Notice. No health impacts expected in this range. It’s a great day to be active outside! |
| Moderate | YELLOW | Limited Health Notice. Sensitive people should consider reducing prolonged or heavy exertion. Watch for symptoms such as coughing or shortness of breath. These are signs to take it easy. |
| Unhealthy for Sensitive Groups | ORANGE | Health Notice. People with heart or lung disease, the elderly, teenagers and children should reduce prolonged or heavy exertion. It is okay to be active outside, but take more breaks and do less intense activities. Watch for symptoms such as coughing or shortness of breath. Asthmatics should follow their action plans and keep quick relief meds handy. Those with heart disease should watch for palpitations, shortness of breath or unusual fatigue and contact your health provider of necessary. |
| Unhealthy | RED | Health Advisory. People with heart or lung disease, the elderly, teenagers and children should avoid prolonged or heavy exertion and consider moving activities indoors or rescheduling. Everyone else should reduce prolonged or heavy exertion. Take more breaks during all outdoor activities. |
| Very Unhealthy | PURPLE | Health Alert. People with respiratory or heart disease, the elderly, teenagers and children should avoid any outdoor activity. Move activities indoors or reschedule to a time when air quality is better. Everyone else should avoid prolonged or heavy exertion. Consider moving activities indoors or rescheduling to a time when air quality is better. |
View more information about Air Quality Index and Health Effects.
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