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"DATE_PST": "2025-05-03 23:00", "DATE": "2025-05-03", "TIME": "23:00", "STATION_NAME": "Squamish Elementary", "STATION_NAME_FULL": "SQUAMISH ELEMENTARY", "EMS_ID": "E304570", "NAPS_ID": "101603", "RAW_VALUE": "5.1848521", "ROUNDED_VALUE": "5.2", "UNIT": "ppb", "INSTRUMENT": "NOX_TEI42i", "PARAMETER": "NO2", "OWNER": "ENV", "REGION": "02 - Lower Mainland" }, { "DATE_PST": "2025-05-03 23:00", "DATE": "2025-05-03", "TIME": "23:00", "STATION_NAME": "Squamish Elementary", "STATION_NAME_FULL": "SQUAMISH ELEMENTARY", "EMS_ID": "E304570", "NAPS_ID": "101603", "RAW_VALUE": "6.01517", "ROUNDED_VALUE": "6", "UNIT": "ppb", "INSTRUMENT": "NOX_TEI42i", "PARAMETER": "NOx", "OWNER": "ENV", "REGION": "02 - Lower Mainland" }, { "DATE_PST": "2025-05-03 23:00", "DATE": "2025-05-03", "TIME": "23:00", "STATION_NAME": "Squamish Elementary", "STATION_NAME_FULL": "SQUAMISH ELEMENTARY", "EMS_ID": "E304570", "NAPS_ID": "101603", "RAW_VALUE": "12.24789", "ROUNDED_VALUE": "12.2", "UNIT": "ppb", "INSTRUMENT": "O3_APIT400", "PARAMETER": "O3", "OWNER": "ENV", "REGION": "02 - Lower Mainland" }, { "DATE_PST": "2025-05-03 23:00", "DATE": "2025-05-03", "TIME": "23:00", "STATION_NAME": "Squamish Elementary", "STATION_NAME_FULL": "SQUAMISH ELEMENTARY", "EMS_ID": "E304570", "NAPS_ID": "101603", "RAW_VALUE": "8.5717468", "ROUNDED_VALUE": "8.6", "UNIT": "ug/m3", "INSTRUMENT": "PM25_SHARP5030i", "PARAMETER": "PM25", "OWNER": "ENV", "REGION": "02 - Lower Mainland" }, { "DATE_PST": "2025-05-03 23:00", "DATE": "2025-05-03", "TIME": "23:00", "STATION_NAME": "Squamish Elementary", "STATION_NAME_FULL": "SQUAMISH ELEMENTARY", "EMS_ID": "E304570", "NAPS_ID": "101603", "RAW_VALUE": "0.10547", "ROUNDED_VALUE": "0.1", "UNIT": "ppb", "INSTRUMENT": "SO2_APIT100U", "PARAMETER": "SO2", "OWNER": "ENV", "REGION": "02 - Lower Mainland" } ], "validationSummary": [ { "parameter": "NO", "records": 72, "validNumeric": 69, "unit": "ppb", "missingPst": [ "2025-05-01 15:00", "2025-05-02 14:00", "2025-05-03 13:00" ], "min": 0.164052, "max": 8.011304 }, { "parameter": "NO2", "records": 72, "validNumeric": 69, "unit": "ppb", "missingPst": [ "2025-05-01 15:00", "2025-05-02 14:00", "2025-05-03 13:00" ], "min": 0.844744, "max": 17.604908 }, { "parameter": "NOx", "records": 72, "validNumeric": 69, "unit": "ppb", "missingPst": [ "2025-05-01 15:00", "2025-05-02 14:00", "2025-05-03 13:00" ], "min": 1.101508, "max": 19.73793 }, { "parameter": "O3", "records": 72, "validNumeric": 69, "unit": "ppb", "missingPst": [ "2025-05-01 14:00", "2025-05-02 13:00", "2025-05-03 12:00" ], "min": 1.944934, "max": 46.27735 }, { "parameter": "PM25", "records": 72, "validNumeric": 72, "unit": "ug/m3", "missingPst": [], "min": 0.83116, "max": 10.0561295 }, { "parameter": "SO2", "records": 72, "validNumeric": 69, "unit": "ppb", "missingPst": [ "2025-05-01 15:00", "2025-05-02 14:00", "2025-05-03 13:00" ], "min": 0.043843, "max": 2.033541 } ], "validNumericReadings": 417, "interpretation": "Three days of ambient observations; not a representative background distribution, not flare attribution, and not an air quality objective attainment assessment. NA values preserved." }