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Table 1. Particulate Matter System: CY 2023
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ProvinceMunicipalityAir Quality Monitoring StationsTSPPM10PM2.5
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Annual Mean Concentration (µg/Ncm)Guideline ValueAnnual Mean Concentration (µg/Ncm)Guideline ValueAnnual Mean Concentration (µg/Ncm)Guideline Value
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PangasinanUrdaneta CityDifferential Optical Absorption Spectroscopy (DOAS)- Urdaneta CityN/AN/A6.06605.4725
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La UnionSan Fernando CityDifferential Optical Absorption Spectroscopy (DOAS)- San Fernando CityN/AN/A10.89609.4225
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Ilocos NorteBatac CityParticulate Matter System- Batac CityN/AN/A28.660nana
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Ilocos SurVigan CityPartculate Matter 2.5- Vigan CityN/AN/Anana13.1025
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PangasinanDagupan CityPartculate Matter 2.5- Dagupan CityN/AN/Anana15.9925
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PangasinanSan Carlos CityPartculate Matter 2.5- San Carlos CityN/AN/Anana13.8525
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PangasinanLingayenPartculate Matter 2.5- LingayenN/AN/Anana16.7425
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Source: EMB Central Office and RO
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