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Puerto Rico Nonattainment/Maintenance Status for Each County by Year for All Criteria Pollutants

Data is current as of November 30, 2024

Listed by County, NAAQS, Area. The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.

* The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m3) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009)

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Important Notes Download National Dataset: dbf   |   xls    |   Data dictionary (PDF)
County NAAQS Area Name Nonattainment in Year Redesignation
to Maintenance
Classification Whole or/
Part County
Population
(2010
)
State/
County
FIPS Codes
PUERTO RICO
Arecibo Municipio Lead (2008) Arecibo, PR
                                                                                               11 12 13 14 15 16 17 18 19 20 21 22 23 24
/ /   Part 32,185 72/013
Bayamon Municipio Sulfur Dioxide (2010) San Juan, PR
                                                                                                                                  18 19 20 21 22 23 24
/ /   Part 22,921 72/021
Catano Municipio Sulfur Dioxide (2010) San Juan, PR
                                                                                                                                  18 19 20 21 22 23 24
/ /   Whole 28,140 72/033
Guaynabo Municipio PM-10 (1987) Mun. of Guaynabo, PR
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09                                                                           
02/11/2010 Moderate Part 90,470 72/061
Guaynabo Municipio Sulfur Dioxide (2010) San Juan, PR
                                                                                                                                  18 19 20 21 22 23 24
/ /   Part 23,802 72/061
Salinas Municipio Sulfur Dioxide (2010) Guayama-Salinas, PR
                                                                                                                                  18 19 20 21 22 23 24
/ /   Part 23,401 72/123
San Juan Municipio Sulfur Dioxide (2010) San Juan, PR
                                                                                                                                  18 19 20 21 22 23 24
/ /   Part 147,963 72/127
Toa Baja Municipio Sulfur Dioxide (2010) San Juan, PR
                                                                                                                                  18 19 20 21 22 23 24
/ /   Part 52,441 72/137
Important Notes

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