Delhi's air quality improves to 'moderate' category, AQI drops to 183
The air quality of Delhi improved on Wednesday morning as the Air Quality Index (AQI) dropped to 183, according to data from ...
The Weather Network2 天
Air Quality Index (AQI)
Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...
来自MSN12 小时
Seattle's air pollution has grown 17% in less than a decade
Erin Davis/Axios Visuals Seattle's air quality is deteriorating, with fine particle pollution rising more than 17% over the last decade, according to year-over-year EPA data. Why it matters: A growing ...
来自MSN13 小时
NBRO Reports Moderate Air Quality Across the Country
The National Building Research Organization (NBRO) has announced that the air quality index remains at a moderate level in most regions of Sri Lanka.However, the air quality is slightly unfavorable in ...
Unhealthy level of air pollution threaten lives in Laos
People in Laos are increasingly concerned about being exposed daily to unhealthy levels of PM2.5, fine particulate matter in ...
Gurgaon gasps as AQI rises to 304, worst in 18 days
The air quality index (AQI) was recorded at 304, marking a sharp rise from the previous day's index of 214. The last time the ...
AQI at 134, capital breathes cleanest air in four months
The city saw its best air quality in four months on Thursday, as strong winds helped improve the air quality from poor to ...