Air Quality - South Worcester, MA
Today's Condition
26 Fair
There is no danger for people with health sensitivities, but keep an eye out for changes in air quality for the next few hours
Last updated at 10:00 PM
Air Quality Index
#### 80 - 100 \- Poor
People with lung disease, such as asthma, children, older adults, and outdoor workers should avoid prolonged or heavy outdoor exertion; everyone else should reduce prolonged or heavy outdoor exertion.
#### 60 - 79 \- Low
People with lung disease, such as asthma, children, older adults, and outdoor workers should reduce prolonged or heavy outdoor exertion.
#### 40 - 59 \- Moderate
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
#### 20 - 39 \- Fair
Air quality is acceptable for most people and suitable for outdoor activities; however, people should pay attention to changes in air quality.
#### 0 - 19 \- Excellent
Ideal air quality for outdoor activities and for those who have health sensitivities.
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Top Triggers
3.76 ug/m3
The pollutant PM2.5 value is 3.76 micrograms per cubic meter. Main sources are fuel burning processes in industry, transportation and indoor heating Particules enter the lungs and cause local and systemic inflammation in the resipratory system & heart, thus cause cardiovascular and respiratory diseases such as asthma and bronchitis
26.3 ug/m3
The pollutant PM10 value is 26.3 micrograms per cubic meter. Main sources are natural dust, smoke and pollen Cause local and systemic inflammation in the respiratory system & heart Cause cardiovascular and respiratory diseases such as asthma and bronchitis
38.0 ppb
The pollutant O₃ value is 38.0 parts per billion. Ozone is created in a chemical reaction between atmospheric oxygen, nitrogen oxides, organic compounds and sunlight Irritate the airways causing coughing, a burning sensation, wheezing and shortness of breath Children, people with respiratory or lung and heart diseases, elderly and those who exercise outdoors are particularly vulnerable to ozone exposure
3.80 ppb
The pollutant NO₂ value is 3.80 parts per billion. Main sources are fuel burning processes in industry and transportation Cause increased bronchial reactivity in patients with asthma, lung function decline in patients with COPD Cause increased risk of respiratory infections, especially in young children
0.33 ppb
The pollutant SO₂ value is 0.33 parts per billion. Main sources are burning processes of sulfur-containing fuel in industry and electricity generation Cause irritation to the respiratory tract, coughing Generates an inflammatory reaction that may worsen the condition of patients with asthma and patients with pneumonia and bronchitis
225 ppb
The pollutant CO value is 225 parts per billion. CO is a product of incomplete combustion in car engines and industry Cause dizziness, nausea and headaches Pregnant women, populations with diseases that inhibit regular oxygen supply in the body (such as chronic bronchitis or anemia) and the elderly are especially susceptible
Health Advice
General health advice. It's still okay to spend time outside, but pay attention for changes in air quality. Air quality is good, but the amount of pollutants in the air is noticeable.
Health advice for Lung & Heart Disease. There is no danger for people with health sensitivities, but keep an eye out for changes in air quality for the next few hours
Health advice for Children. Children can enjoy being outside, but you should stay alert for changes in air quality.
Health advice for Active. You can exercise outdoors, but be sure to watch for notifications of any changes.
Air Quality & Asthma
