The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy ...

Asthma sufferers should limit their outside activities and refrain from intense exertion on days with high AQI, particularly when readings above 200. AQI levels over 300 indicate an emergency ...

The AQI forecast is available in more than 500 US cities, and you can view an interactive map that rates the air quality across the US and Canada. The index is on a scale of 0 to 500 (0 being ...

The high school activities associations for North Dakota’s three neighboring states — Minnesota, South Dakota and Montana — ...

Dhaka has ranked 31st on the list of cities with the worst air quality with an AQI score of 71 at 9:20am on Friday morning.

The EPA's Air Quality Index can tell you whether breathing outside air can hurt you. How to read the scale. ... (151-200) Purple indicates very unhealthy air (151-200) ...

An AQI between 0 and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, 301 and 400 very poor, 401 and 450 severe, and above 450 severe-plus.

In 2024, there were 41 days with below 200 AQI. "There have been 36 days where the average AQI of Delhi during the first quarter of 2025 was less than 200.

Air Quality Index Explained: As NCR struggles against worsening AQI, learn what 200, 300, 400, 450+ readings mean for your lungs Understanding AQI values helps individuals, especially those with ...

The AQI readings below 100 are considered to be satisfactory for breathing, under 200 are marked “poor”, while the 400-500 range mark pollution levels as "severe" in an area.

The Air Quality Index (AQI) uses a color-coded system to inform the public about air quality levels. Fine particulate matter (PM2.5) is a dangerous pollutant that can cause serious health problems.

The drop in the air quality comes just ahead of the anticipated arrival of the southwest monsoon on Tuesday. The IMD has ...