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{ blob } from \"https://esm.town/v/std/blob?v=12\";\nimport { fetchJSON } from \"https://esm.town/v/stevekrouse/fetchJSON\";\nimport { msDay } from \"https://esm.town/v/stevekrouse/msDay\";\nimport { msHour } from \"https://esm.town/v/stevekrouse/msHour\";\nimport { nowcastPMAqi } from \"https://esm.town/v/stevekrouse/nowcastPMAqi\";\n\nexport function nominatimSearch(params: Search): Promise {\n return fetchJSON(\n \"https://nominatim.openstreetmap.org/search?\"\n + new URLSearchParams({\n format: \"json\",\n ...params,\n }),\n );\n}\ninterface Search {\n q?: string;\n street?: string;\n city?: string;\n county?: string;\n state?: string;\n country?: string;\n postalcode?: string;\n}\ninterface Place {\n place_id: number;\n licence: string;\n osm_type: string;\n osm_id: number;\n lat: string;\n lon: string;\n class: string;\n type: string;\n place_rank: number;\n importance: number;\n addresstype: string;\n name: string;\n display_name: string;\n boundingbox: string[];\n}\n\nexport let nowcastPMAQISeverity = (aqi: number) =>\n aqi < 50\n ? \"Good\"\n : aqi < 100\n ? \"Moderate\"\n : aqi < 150\n ? \"Unhealthy for Sensitive Groups\"\n : aqi < 200\n ? \"Unhealthy\"\n : aqi < 300\n ? \"Very Unhealthy\"\n : \"Hazardous\";\n\nexport let findOpenAQLocation = async ({ lat, lon }: {\n lat: number;\n lon: number;\n}) => {\n const { results } = await fetchJSON(\n \"https://api.openaq.org/v2/locations?\"\n + new URLSearchParams({\n coordinates: lat.toPrecision(8) + \",\" + lon.toPrecision(8),\n order_by: \"distance\",\n sort: \"asc\",\n radius: \"25000\",\n dumpRaw: \"false\",\n // entity: \"government\",\n parameter_id: \"2\",\n limit: \"10\",\n page: \"1\",\n offset: \"0\",\n }),\n );\n if (!results?.length) throw new Error(\"No AQI locations found\");\n // find first (closest, given sort order) location with active pm25 sensor\n return results.find((location) => {\n const lastUpdated = new Date(\n location.parameters.find((p) => p.parameter === \"pm25\")?.lastUpdated,\n );\n return (lastUpdated\n && new Date().getTime() - lastUpdated.getTime()\n < msDay);\n });\n};\nconst cacheKey = (location: string) => \"easyAQI_locationID_cache_\" + encodeURIComponent(location);\n\nexport async function openAqNowcastAQI({ location_id }) {\n const { results } = await fetchJSON(\n \"https://api.openaq.org/v2/measurements?\"\n + new URLSearchParams({\n limit: \"100\",\n page: \"1\",\n location_id,\n date_from: new Date(Date.now() - 12 * msHour)\n .toISOString(),\n date_to: new Date().toISOString(),\n parameter: \"pm25\",\n order_by: \"datetime\",\n }),\n );\n return nowcastPMAqi(results.map((o) => o.value));\n}\n\nexport async function easyAQI({ location }: {\n location: string;\n}) {\n let openAQLocation = await blob.getJSON(cacheKey(location));\n if (!openAQLocation) {\n const [geo] = await nominatimSearch({\n q: location,\n });\n console.log(\"Searching for openAQ stations near: \" + geo.display_name);\n openAQLocation = await findOpenAQLocation({\n lat: parseFloat(geo.lat),\n lon: parseFloat(geo.lon),\n });\n await blob.setJSON(cacheKey(location), { name: openAQLocation.name, id: openAQLocation.id });\n }\n console.log(\"Pulling pm2.5 from station: \" + openAQLocation.name);\n const aqi = await openAqNowcastAQI({\n location_id: openAQLocation.id,\n });\n return { aqi, severity: nowcastPMAQISeverity(aqi) };\n}","import { blob } from \"https://esm.town/v/std/blob?v=12\";\nimport { fetchJSON } from \"https://esm.town/v/stevekrouse/fetchJSON\";\nimport { msDay } from \"https://esm.town/v/stevekrouse/msDay\";\nimport { msHour } from \"https://esm.town/v/stevekrouse/msHour\";\nimport { nowcastPMAqi } from \"https://esm.town/v/stevekrouse/nowcastPMAqi\";\n\nexport let nowcastPMAQISeverity = (aqi: number) =>\n aqi < 50\n ? \"Good\"\n : aqi < 100\n ? \"Moderate\"\n : aqi < 150\n ? \"Unhealthy for Sensitive Groups\"\n : aqi < 200\n ? \"Unhealthy\"\n : aqi < 300\n ? \"Very Unhealthy\"\n : \"Hazardous\";\n\nexport let findOpenAQLocation = async ({ lat, lon }: {\n lat: number;\n lon: number;\n}) => {\n const { results } = await fetchJSON(\n \"https://api.openaq.org/v2/locations?\"\n + new URLSearchParams({\n coordinates: lat.toPrecision(8) + \",\" + lon.toPrecision(8),\n order_by: \"distance\",\n sort: \"asc\",\n radius: \"25000\",\n dumpRaw: \"false\",\n // entity: \"government\",\n parameter_id: \"2\",\n limit: \"10\",\n page: \"1\",\n offset: \"0\",\n }),\n );\n if (!results?.length) throw new Error(\"No AQI locations found\");\n // find first (closest, given sort order) location with active pm25 sensor\n return results.find((location) => {\n const lastUpdated = new Date(\n location.parameters.find((p) => p.parameter === \"pm25\")?.lastUpdated,\n );\n return (lastUpdated\n && new Date().getTime() - lastUpdated.getTime()\n < msDay);\n });\n};\nconst cacheKey = (location: string) => \"easyAQI_locationID_cache_\" + encodeURIComponent(location);\n\nexport async function openAqNowcastAQI({ location_id }) {\n const { results } = await fetchJSON(\n \"https://api.openaq.org/v2/measurements?\"\n + new URLSearchParams({\n limit: \"100\",\n page: \"1\",\n location_id,\n date_from: new Date(Date.now() - 12 * msHour)\n .toISOString(),\n date_to: new Date().toISOString(),\n parameter: \"pm25\",\n order_by: \"datetime\",\n }),\n );\n return nowcastPMAqi(results.map((o) => o.value));\n}\n\nexport async function easyAQI({ location }: {\n location: string;\n}) {\n let openAQLocation = await blob.getJSON(cacheKey(location));\n if (!openAQLocation) {\n const [geo] = await nominatimSearch({\n q: location,\n });\n console.log(\"Searching for openAQ stations near: \" + geo.display_name);\n openAQLocation = await findOpenAQLocation({\n lat: parseFloat(geo.lat),\n lon: parseFloat(geo.lon),\n });\n await blob.setJSON(cacheKey(location), { name: openAQLocation.name, id: openAQLocation.id });\n }\n console.log(\"Pulling pm2.5 from station: \" + openAQLocation.name);\n const aqi = await openAqNowcastAQI({\n location_id: openAQLocation.id,\n });\n return { aqi, severity: nowcastPMAQISeverity(aqi) };\n}","createdAt",["D",1745615165631],"branchVersion","branchId","e209ba9e-17a2-11f0-add3-569c3dd06744","id","e2096918-17a2-11f0-add3-569c3dd06744","aqi",["D",1744464879286],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Email alerts when AQI is unhealthy near 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{ locationGetV3LocationsLocationsIdGet } from \"https://openapi.val.run/api.openaq.org/openapi.json?4\";\n\nconst data = await locationGetV3LocationsLocationsIdGet({\n path: {\n locations_id: 8118,\n },\n});\nconsole.log(data);",[142],"6541d97a-220f-11f0-a9a2-569c3dd06744","proxy.ts",43,["D",1745610996702],1,"http","const TARGET_URL = \"https://api.openaq.org\";\n\nexport default async function(req: Request): Promise {\n const url = new URL(req.url);\n return fetch(TARGET_URL + url.pathname + url.search, {\n headers: {\n \"X-API-Key\": Deno.env.get(\"OPENAQ_API_KEY\") as string,\n },\n });\n}","openaq",[150],"133f9360-2219-11f0-89a8-569c3dd06744","nominatim","133f9428-2219-11f0-89a8-569c3dd06744",86,["D",1745615154086],0,[159],"82f7ade4-17a3-11f0-9955-569c3dd06744","main.tsx","e20b7a0a-17a2-11f0-add3-569c3dd06744",38,["D",1744465149279],34,"interval","import { email } from \"https://esm.town/v/std/email?v=9\";\nimport { easyAQI } from \"./utils.ts\";\n\nexport async function aqi(interval: Interval) {\n const location = \"prospect heights, brooklyn\"; // <-- change to place, city, or zip code\n const data = await easyAQI({ location });\n if (!interval.lastRunAt) {\n email({\n text:\n `You will now get Air Quality alerts for ${location} if it's unhealthy. It is now ${data.aqi} which is ${data.severity}.`,\n subject: `AQI Alerts for ${location} setup!`,\n });\n }\n if (data.severity.includes(\"Unhealthy\")) {\n email({\n text: \"Air Quality: \" + data.severity,\n subject: `AQI in ${location} is ${data.aqi}`,\n });\n }\n}",[166],"e2112270-17a2-11f0-add3-569c3dd06744","README.md","e2112360-17a2-11f0-add3-569c3dd06744",["D",1744464879297],"# AQI Alerts\n\nGet email alerts when AQI is unhealthy near you.\n\n![](https://i.imgur.com/hB56X7o.png)\n\n## Set up\n\n1. Click `Fork`\n2. Change `location` (Line 4) to describe your location. It accepts fairly flexible English descriptions which it turns into locations via [nominatim's geocoder API](https://www.val.town/v/stevekrouse/nominatimSearch).\n3. Click `Run`\n\n## Background\n\nThis val uses nominatim's geocoder to get your lat, lon, and air quality data from OpenAQ. It uses EPA's NowCast\nAQI Index calculation and severity levels. Learn more: https://www.val.town/v/stevekrouse.easyAQI",[175],"pulls","branches","forks",73,"envVars",{"_188":153,"_190":163},"connections",{"_188":163,"_189":163},"count","unfilledCount","emptyCount",{"_43":174,"_32":175,"_30":176,"_135":-5,"_41":42,"_40":153,"_136":25,"_38":213,"_13":163,"_33":20,"_35":178,"_24":25,"_139":-5,"_198":214,"_27":215},{"_43":165,"_32":166,"_30":167,"_135":-5,"_41":42,"_40":168,"_136":25,"_38":210,"_13":170,"_33":171,"_35":172,"_24":25,"_139":-5,"_198":211,"_27":212},{"_43":158,"_32":159,"_30":160,"_135":-5,"_41":42,"_40":161,"_136":25,"_38":207,"_13":163,"_33":34,"_35":107,"_24":25,"_139":-5,"_198":208,"_27":209},{"_43":149,"_32":150,"_30":57,"_135":-5,"_41":42,"_40":151,"_136":25,"_38":204,"_13":153,"_33":154,"_35":155,"_24":25,"_139":156,"_198":205,"_27":206},{"_43":141,"_32":142,"_30":143,"_135":-5,"_41":42,"_40":144,"_136":25,"_38":201,"_13":146,"_33":34,"_35":147,"_24":25,"_139":-5,"_198":202,"_27":203},{"_43":134,"_32":28,"_30":31,"_135":-5,"_41":42,"_40":14,"_136":25,"_38":197,"_13":138,"_33":34,"_35":37,"_24":25,"_139":-5,"_198":199,"_27":200},["D",1745615165631],"children",[],[28],["D",1745614703448],[],[142],["D",1745610996702],[],[150],["D",1745615154086],[],[159],["D",1744465149279],[],[166],["D",1744464879297],[],[175],["D",1744464879286],{"_98":97,"_105":101},{"_98":97,"_99":-5,"_100":101,"_18":55,"_102":103,"_104":25},{"_13":87,"_32":88,"_43":42,"_89":44,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":45,"_96":97},"ctx",{"_80":-5,"_125":253,"_254":255,"_256":257,"_258":25,"_259":25,"_260":25,"_261":59,"_262":-5,"_263":-7,"_264":-7,"_265":163,"_266":25,"_267":25,"_268":-5,"_269":25,"_270":25,"_271":25,"_272":-5},"ENV",{"_224":225,"_226":227,"_228":88,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244,"_245":246,"_247":248,"_249":250,"_251":252},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","811aa22498c9b0b5a47e8d778de579cdb990f332","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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