Charts

Visualize trends and patterns in Montgomery’s data with interactive charts.

Interactive charts showing trends and patterns across Montgomery's datasets.

Overview

The Chart tab in each portal provides interactive data visualizations powered by Recharts. Charts show trends, distributions, and patterns across Montgomery’s datasets.

Features

Interactive Tooltips

Hover over any data point to see exact values in a tooltip. Tooltips show the data label, value, and any relevant context.

Year Filter Integration

Charts respond to the global Year Filter. Adjust the date range to focus on specific time periods — useful for comparing pre-pandemic vs. post-pandemic trends.

Portal-Specific Visualizations

Each portal shows charts relevant to its audience:

Portal	Chart Focus
Resident	311 request trends by category and status
Business	Permit and license activity over time
City Staff	Infrastructure project timelines, violation trends
Researcher	Longitudinal patterns across multiple datasets

Loading and Error States

Charts show skeleton loading animations while data is being fetched. If a query fails, you’ll see an error message with the option to retry.