{"hq_id":"hq-c-ino-000010","name":"Nitrogen dioxide (NO₂)","context":"human_adult","timestamp":"2026-08-28T04:14:58.248Z","risk_level":"moderate","risk_profile":{"magnitude":{"mean":0.35,"weightedMean":0.35,"std_dev":0,"confidence_interval_95":[0.35,0.35],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.35,"weight":0.35}]},"confidence":{"mean":0.5,"weightedMean":0.5,"std_dev":0,"confidence_interval_95":[0.5,0.5],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35}]},"recency":{"mean":1,"weightedMean":1,"std_dev":0,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35}]},"methodology":{"mean":0.7,"weightedMean":0.7,"std_dev":0,"confidence_interval_95":[0.7,0.7],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35}]},"specificity":{"mean":0.92,"weightedMean":0.92,"std_dev":0,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0,"warning":"single_source_warning"}},"interpretation":{"summary":"Single source (HQ_DIRECT, 2026) indicates low to moderate risk.","confidence_note":"Evidence quality varies; interpretation requires caution.","context_note":null,"warning":"single_source_warning"},"sources":[{"id":"epa_no2_naaqs","type":"regulatory","title":"US EPA National Ambient Air Quality Standards for Nitrogen Dioxide","year":2010},{"id":"who_no2_guidelines","type":"regulatory","title":"WHO Air Quality Guidelines for Nitrogen Dioxide (Global Update 2021)","year":2021},{"id":"atsdr_mmg_nitrogen_oxides","type":"report","title":"ATSDR Medical Management Guidelines for Nitrogen Oxides","url":"https://wwwn.cdc.gov/tsp/mmg/mmgdetails.aspx?mmgid=394&toxid=69"}],"sources_scope":"context","warnings":["unmapped_classification:WHO:criteria air pollutant","unmapped_classification:IARC:not classified as a carcinogen (no₂ alone)","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 4 positive","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 4 positive","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skin corr. 1b (score: very high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: serious eye damage/eye irritation ","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skin corrosion/irritation - categ","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: category 2 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: eye dam. 1 (score: very high)","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skin corr. 1b (score: very high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: category 8.3a (category 1) (score:","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: category 8.2a (category 1a) (scor","single_source_warning"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":1,"db_version":42,"warnings":["unmapped_classification:WHO:criteria air pollutant","unmapped_classification:IARC:not classified as a carcinogen (no₂ alone)","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 4 positive","unmapped_classification:EPA CTX / Genetox:genotoxicity: positive (ames: positive, 4 positive","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skin corr. 1b (score: very high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: serious eye damage/eye irritation ","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skin corrosion/irritation - categ","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: category 2 (score: high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: eye dam. 1 (score: very high)","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: skin corr. 1b (score: very high)","unmapped_classification:EPA CTX / Skin-Eye:eye irritation: category 8.3a (category 1) (score:","unmapped_classification:EPA CTX / Skin-Eye:skin irritation: category 8.2a (category 1a) (scor"]},"schema":"synthesis","_notice":"ALETHEIA output is reference data, not professional advice. Not a substitute for primary agency sources or qualified professionals. See https://aletheia.holisticquality.io/disclaimer.","_disclaimer_url":"https://aletheia.holisticquality.io/disclaimer","available_contexts":["human_adult","human_child","human_pregnant","exposure_inhalation","human_teen","human_elderly","human_infant"]}