Since the 1940s , southern California has had a reputation for smog 。 Things are not as bad as they once were but , according to the American Lung Association , Los Angeles is still the worst city in the United States for levels of 26 。 Gazing down on the city from the Getty Center , an art museum in the Santa Monica Mountains , one would find the view of the Pacific Ocean blurred by the haze 。 Nor is the state’s bad air 27 to its south 。 Fresno , in the central valley , comes top of the list in America for year-round pollution 。 Residents’ hearts and lungs are affected as a 28 。 All of which , combined with California’s reputation as the home of technologica l 29 , makes the place ideal for developing and testing systems designed to monitor pollution in 30 。 And that is just what Aclima , a new firm in San Francisco , has been doing over the past few months 。 It has been trying out monitoring that are 31 to yield minute-to-minute maps of 32 air pollution 。 Such stations will also be able to keep an eye on what is happening inside buildings , including offices 。 To this end , Aclima has been 33 with Google’s Street View system 。 Davida Herzl , Aclima’s boss , says they have revealed pollution highs on days when San Francisco’s transit workers went on strike and the city’s 34 were forced to use their cars 。 Conversely , “cycle to work” days have done their job by 35 pollution lows 。 A ) assisted I ) inhabitants B ) collaborating J ) innovation C ) consequence K ) intended D ) consumers L ) outdoor E ) creating M ) pollutants F ) detail N ) restricted G ) domestic O ) sum H ) frequently