{"query":{"parameter":"pm 2 5","place":"US-WY","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-WY","US"],"parameter_keys":["name:pm 2,5","name:pm 2.5","name:pm2,5","name:pm2.5","name:partikel (pm 2,5 ) ohne berucksichtigung der staubinhaltsstoffe"],"names_matched":[["pm 2 5","name:pm 2,5"],["pm 2 5","name:pm 2.5"],["pm 2 5","name:pm2,5"],["pm 2 5","name:pm2.5"],["partikel pm 2 5 ohne berucksichtigung der staubinhaltsstoffe","name:partikel (pm 2,5 ) ohne berucksichtigung der staubinhaltsstoffe"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":4,"offset":0,"returned":4,"next_offset":null,"rows":[{"id":"1b6e19c727e59df9","parameter":"PM 2.5","value":"15.0","value_num":15,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"national","parameter_key":"name:pm 2.5","place":["US"],"conditions":["annual arithmetic mean concentration"],"cite":{"instrument":"us_naaqs","title":"40 CFR Part 50, National Primary and Secondary Ambient Air Quality Standards, §§ 50.4–50.21 (eCFR as of 2026-08-01)","issuer":null,"edition":"90 FR 4651, Jan. 16, 2025","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=50","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"§ 50.13 National primary and secondary ambient air quality standards for PM 2.5 .","page":null,"quote":"(b) The annual primary and secondary PM 2.5 standards are met when the annual arithmetic mean concentration, as determined in accordance with appendix N of this part, is less than or equal to 15.0 µg/m 3 .","column":"valeur"}},{"id":"062b9981b0c881de","parameter":"PM 2.5","value":"35","value_num":35,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"national","parameter_key":"name:pm 2.5","place":["US"],"conditions":["98th percentile 24-hour concentration"],"cite":{"instrument":"us_naaqs","title":"40 CFR Part 50, National Primary and Secondary Ambient Air Quality Standards, §§ 50.4–50.21 (eCFR as of 2026-08-01)","issuer":null,"edition":"90 FR 4651, Jan. 16, 2025","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=50","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"§ 50.13 National primary and secondary ambient air quality standards for PM 2.5 .","page":null,"quote":"(c) The 24-hour primary and secondary PM 2.5 standards are met when the 98th percentile 24-hour concentration, as determined in accordance with appendix N of this part, is less than or equal to 35 µg/m 3 .","column":"valeur"}},{"id":"03a947bae0c99383","parameter":"PM 2.5","value":"35","value_num":35,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"national","parameter_key":"name:pm 2.5","place":["US"],"conditions":["98th percentile 24-hour concentration"],"cite":{"instrument":"us_naaqs","title":"40 CFR Part 50, National Primary and Secondary Ambient Air Quality Standards, §§ 50.4–50.21 (eCFR as of 2026-08-01)","issuer":null,"edition":"90 FR 4651, Jan. 16, 2025","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=50","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"§ 50.20 National primary ambient air quality standards for PM 2.5 .","page":null,"quote":"(c) The primary 24-hour PM 2.5 standard is met when the 98th percentile 24-hour concentration, as determined in accordance with appendix N to this part, is less than or equal to 35 µg/m 3 .","column":"valeur"}},{"id":"c6c0faac49d64574","parameter":"PM 2.5","value":"9.0","value_num":9,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"national","parameter_key":"name:pm 2.5","place":["US"],"conditions":["annual arithmetic mean concentration"],"cite":{"instrument":"us_naaqs","title":"40 CFR Part 50, National Primary and Secondary Ambient Air Quality Standards, §§ 50.4–50.21 (eCFR as of 2026-08-01)","issuer":null,"edition":"90 FR 4651, Jan. 16, 2025","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=50","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"§ 50.20 National primary ambient air quality standards for PM 2.5 .","page":null,"quote":"(b) The primary annual PM 2.5 standard is met when the annual arithmetic mean concentration, as determined in accordance with appendix N to this part, is less than or equal to 9.0 µg/m 3 .","column":"valeur"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-WY"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"pm 2 5\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"US-WY"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}