Here's an overview of the top 10 most polluted countries, ranked by their annual average PM2.5 concentration (measured in micrograms per cubic meter). Countries like Nepal, Uganda, and Rwanda also ...

New research shows that air pollution in Kolkata becomes highly toxic when PM2.5 levels cross 70 µg/m³, urging stronger ...

Exposure to wildfire smoke is associated with an increase in visits to the emergency department for depression, anxiety, and ...

According to the Observatory, the city experienced its driest April morning since an automatic weather station was set up in ...

President Donald Trump signed an executive order aimed at ramping up American coal production this week - but environmental ...

Millions of Americans have been exposed to PM2.5 pollution, which increases the likelihood of various diseases.

Short-term exposure to fine particulate air pollution (PM2.5) from a wildfire may increase the risk of emergency department visits for mental health conditions, especially for women, youth, racial ...

A new report by the Health Effects Institute (HEI) has revealed that air pollution is the second leading cause of death in ...

BANGKOK: Those in Bangkok have been reminded to don their masks as PM2.5 levels in the city continue to rise. Six districts reached dangerous levels on Monday (March 24) morning and people have ...

Air pollution in Thailand hits dangerous levels, with PM2.5 exceeding safety limits in 51 provinces, prompting a 60-day alert.

The toxicity standard implies that“policies, strategies and control measures should be taken to keep PM2.5 pollution within this limit of around 70 micrograms per cubic metre, because once the ...