Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily more accurate.

A measure called the Air Quality Index (AQI ... the worse the air. The calculation involves converting pollutant concentration levels in the air into index values by a formula.

Other writers look at smoking and vapes in school, various state-level climate change initiatives, the state's new way to ...

A Santa Clara County hazard mitigation report analyzes different disaster threats and how they could affect residents and infrastructure.

Air duct cleaning can be expensive and it may not improve indoor air quality in your home. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet ...

Feb. 4, 2025 — A groundbreaking study on the freezing of water droplets suspended in air sheds light on a key process in Earth's water cycle: the transformation of ... Severe Weather and Major ...

The AQI soared from 275 on Tuesday to 396 at 6 pm on Wednesday as calm winds, low temperatures and foggy conditions allowed accumulation of pollutants. Schools will now return to a hybrid mode ...

The Centre's panel on Delhi-NCR's air quality invoked stage 4 of the Graded Response Action Plan (GRAP) on Wednesday, following a sharp decline in air quality due to adverse weather condition.

The Benjamin Graham formula is a fundamental tool in value investing, designed to estimate a company’s intrinsic value based on its earnings performance and market conditions. It was developed ...

EDITORIAL: An office memorandum issued by the Finance Division noted a change in the calculation of emoluments for the purpose of pensions as proposed by the Pay and Pension Commission 2020 as ...