Layers:

Layer: PMTrends_2021 (2)


Name: PMTrends_2021

Display Field: NAMEABBR

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: The overall trend in particulate matter concentrations (10-year). The trend metric is based on the weighted annual mean PM₂.₅ concentration, 98th percentile 24-hour PM₂.₅ concentration, and 2nd maximum 24-hour PM₁₀ concentration. All improving and deteriorating trends have at least 90% probability of being correct (those with p-values ≤ 0.10). Statistically significant (p-value ≤ 0.10) trends with zero slope are represented as unchanging trends. Parameters with no statistically significant trend (p-value ≥ 0.10) are also represented as unchanging trends. See NPS air quality analysis methods for more information: https://www.nps.gov/articles/air-analysis-methods-latest.htm.

Copyright Text: NPS Air Resources Division

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -17792383.1445477
YMin: 2006871.68006256
XMax: -7203131.66213736
YMax: 10450050.230001
Spatial Reference: 102100 (3857)


Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field: PM_TREND_

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: ObjectID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• PARKCODE (type: esriFieldTypeString, alias: PARKCODE, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
• NAMEABBR (type: esriFieldTypeString, alias: NAMEABBR, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
• ENDYEAR (type: esriFieldTypeSmallInteger, alias: ENDYEAR, SQL Type: sqlTypeOther, nullable: true, editable: true)
• LONGITUDE (type: esriFieldTypeDouble, alias: LONGITUDE, SQL Type: sqlTypeOther, nullable: true, editable: true)
• LATITUDE (type: esriFieldTypeDouble, alias: LATITUDE, SQL Type: sqlTypeOther, nullable: true, editable: true)
• PM_TREND (type: esriFieldTypeString, alias: PM_TREND, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
• PM_TREND_ (type: esriFieldTypeString, alias: PM_TREND_, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
• URL (type: esriFieldTypeString, alias: URL, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)

Types:

ID: Improving Trend
Name: Improving Trend
Domains:

Templates:

Name: Improving Trend
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:

Attributes:

• PM_TREND_: Improving Trend

---

ID: Unchanging Trend
Name: Unchanging Trend
Domains:

Templates:

Name: Unchanging Trend
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:

Attributes:

• PM_TREND_: Unchanging Trend

---

ID: Deteriorating Trend
Name: Deteriorating Trend
Domains:

Templates:

Name: Deteriorating Trend
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:

Attributes:

• PM_TREND_: Deteriorating Trend

---


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 12/6/2024 7:58:59 PM

Schema Last Edit Date: 6/21/2024 10:34:54 PM

Data Last Edit Date: 6/21/2024 10:34:54 PM