Special Report

The 25 Worst Cities for People With Spring Allergies

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10. Pittsburgh, Pennsylvania
> Score: 85.1 (Avg: 65.50)
> Rank in spring of 2019: 41th worst city
> PM2.5 pollution 24-hr average: 164 µg/m3 (EPA’s standard is 35 µg/m3)
> Population: 2,339,941

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9. Oklahoma City, Oklahoma
> Score: 86.1 (Avg: 65.50)
> Rank in spring of 2019: 18th worst city
> PM2.5 pollution 24-hr average: 106 µg/m3 (EPA’s standard is 35 µg/m3)
> Population: 1,369,759

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8. Bridgeport, Connecticut
> Score: 86.7 (Avg: 65.50)
> Rank in spring of 2019: 40th worst city
> PM2.5 pollution 24-hr average: 74 µg/m3 (EPA’s standard is 35 µg/m3)
> Population: 944,348

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7. San Antonio, Texas
> Score: 87.2 (Avg: 65.50)
> Rank in spring of 2019: 14th worst city
> PM2.5 pollution 24-hr average: 169 µg/m3 (EPA’s standard is 35 µg/m3)
> Population: 2,426,204

Source: DenisTangneyJr / Getty Images

6. New Haven, Connecticut
> Score: 87.3 (Avg: 65.50)
> Rank in spring of 2019: 23rd worst city
> PM2.5 pollution 24-hr average: 49 µg/m3 (EPA’s standard is 35 µg/m3)
> Population: 859,339