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Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
Poor air quality can also cause some symptoms such as difficulty breathing, coughing, and headaches. [8] Typically pollutants irritate the respiratory system and trigger respiratory conditions such as asthma and chronic bronchitis that make it difficult for them to go outside. During air stagnation events, it is recommended for children, elders ...
Air pollution in Los Angeles has caused widespread concerns. In 2012, the Public Policy Institute of California (PPIC) Survey on Californians and the Environment showed that 45% of citizens in Los Angeles consider air pollution to be a "big problem", and 47% believe that the air quality of Los Angeles is worse than it was 10 years ago. [96]
Inside Delhi’s first ever clinic dedicated to pollution-related illnesses, Deepak Rajak struggles to catch his breath.
Air pollution has dropped significantly in the U.S. since the 1970s. However, wildfires have emerged as a growing threat – making it harder to clean up the air and protect people’s health.
Diseases caused by pollution, lead to the chronic illness and deaths of about 8.4 million people each year. However, pollution receives a fraction of the interest from the global community. [1] This is in part because pollution causes so many diseases that it is often difficult to draw a straight line between cause and effect.
Air pollution has also been linked to a range of other psychosocial problems. [202] Particulates may cause tissue damage by entering organs directly, or indirectly by systemic inflammation . Adverse effects may occur even at exposure levels lower than published air quality standards deemed safe.
Air pollution from this source has been reported in England since the Middle Ages. [7] [8] London, in particular, was notorious up through the mid-20th century for its coal-caused smogs, which were nicknamed "pea-soupers". Air pollution of this type is still a problem in areas that generate significant smoke from burning coal.