An AQI value of 50 or below represents good air quality, per the EPA, while an AQI value over 300 represents hazardous air quality. An AQI value of 100 is considered the threshold for safe air ...

Depending on the different pollutants in the air, like pollen or wildfire smoke, some days can be easier to breathe than ...

Dhaka, the overcrowded capital of Bangladesh, ranked tenth on the list of cities with the worst air quality, with an AQI ...

During times when wildfire smoke dominates our air, the highest AQI value is likely to be PM2.5, but it can be ozone. AirNow does specify which pollutant is highest and also reports the other two ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked second on the list of cities with the worst air quality with an ...

The sky of Kathmandu Valley is cloudy and air pollution has also increased due to lack of adequate rainfall. Meteorologist ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked tenth on the list of cities with the worst air quality with an AQI score of 152 at 9:50am this morning (March 14, 2025).

AQI is calculated into six color-coded categories — the higher the AQI value, the more air pollution is present and the greater the health concern. When there's an increase in a type of ...

It’s a scale of 0 to 500, with the higher number indicating the air is potentially more dangerous to one’s health. An AQI value of 50 or below represents good air quality, per the EPA, while an AQI ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked thirteen on the list of cities with the worst air quality with ...