Air quality across New York's boroughs has improved since congestion pricing initiated in January. Data from the Department of Health shows that PM2.5 levels, a key indicator of air pollution, have remained steady or decreased at most monitoring sites. Predictions of increased pollution levels, particularly in areas like the south Bronx due to traffic rerouting, have not materialized. Monitors indicate that PM2.5 levels at critical locations have decreased compared to previous months, reflecting the positive impact of congestion pricing on local air quality.
In this initial look at air quality data from the first three months of congestion relief tolling, we observed steady or decreasing levels of PM2.5 at most sites, both inside and outside the tolling zone, including sites that were predicted to have traffic increases as a result of tolling.
Despite predictions of increased pollution due to congestion pricing, air quality monitors show that PM2.5 levels were lower in March than in December, indicating improved air quality.
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