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Selected Air Quality Ratings

Quality Houston Galveston/Texas City Brazoria
Good Days 122 (39.9%) 263 (86.8%) 263 (87.4%)
Moderate Days 162 (52.9%) 38 (12.5%) 32 (10.6%)
Days Unhealthy for Select Groups 20 (6.5%) 1 (0.3%) 6 (2.0%)
Unhealthy Days 2 (0.7%) 1 (0.3%) 0 (0.0%)

Source: U.S. Environmental Protection Agency.

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