Call for an instant quote
0345 90 80 161
Open Mon to Fri 09:00 - 17:30 | Sat 09:00 - 16:00 (GMT)
22 March 2012 09:08
The number of air alerts issued in San Francisco over winter reached a five-year high
Authorities in San Francisco issued a high number of air quality warnings over winter, according to reports.
At the end of the Winter Spare The Air season, the San Francisco Bay Area Air Quality Management District confirmed that officials had issued the city with 15 alerts, the most alerts issued for half a decade.
Over the winter, weather conditions meant pollution became trapped over the city, leading to nearly 20 days in which the standard of air quality became bad enough for officials to take note.
Pollution in the area is most widely caused by wood smoke, coming from more than a million log-burning fires and stoves in and around the city.
Wood smoke is one of the most dangerous forms of pollutants, containing high levels of life-threatening particulates and carbon monoxide.
The number of alerts is likely to be of concern to tourists visiting the city who already suffer with asthma, and will serve as a reminder to arrange
pre-existing medical travel insurance before making the trip.
San Francisco air quality official Jack Broadbent said: "It was a tough winter for air quality and public health, but things could have been much worse. Wood burning overall is decreasing, but we still see unhealthy levels in certain neighbourhoods."
Copyright Press Association 2012
25 March 2017
Want to slow down the ageing process? A new drug claims to be able to do just that - and experts have suggested it could be on the market in three years.
24 March 2017
People who drink moderately are less likely to suffer a heart attack, according to a new study.
23 March 2017
Passengers on certain flights into the UK will no longer be able to carry laptops and tablets like iPads in their hand luggage.
22 March 2017
Mountaineers looking to scale the world's highest peak may need to shell out for a GPS device, according to Nepal's tourism chief.
21 March 2017
The effects of being in skyscrapers, at concerts or even walking on wobbly bridges could help scientists understand the experiences of dementia sufferers, researchers are claiming.
18 March 2017
A young actor has released pictures of a lump on her throat that turned out to be thyroid cancer, with hopes the image will raise awareness and alert others who may be suffering from the disease.
17 March 2017
A "promising treatment" for aggressive blood cancer needs more evidence of its effectiveness before NHS doctors will be able to prescribe, a watchdog is warning.
16 March 2017
Millions of Brits are opting for coach holidays over jet-setting and cruises, new research indicates.
15 March 2017
Thousands of flights to and from America's north east have been cancelled in preparation for a "life-threatening" storm poised to hit the country.
14 March 2017
Seniors who experience weight loss should not put it down to the normal ageing process, experts are warning.
11 March 2017
Gatwick Airport is insisting it is still a "credible and deliverable" expansion option, as the airport experienced its busiest ever February.
08 March 2017
Strikes by French air traffic controllers (ATCs) are leading to delays and cancellations across the UK.