Air quality in Adams County, Colorado, United States of America today
Mr. Duck’s Air Quality Score
Good air today for Adams County, Colorado, United States of America
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
Air quality today in Adams County, Colorado is rated as Good. The primary pollutant identified for this assessment is PM2.5 (fine particles).
The most recent valid measurement shows a PM2.5 concentration of 4.23 µg/m³ based on one observation recorded by OpenAQ. This page is informational; for health guidance, use official sources such as EPA AirNow or WHO.
Latest sensor values
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
What the data includes
The current station data listed for this city is focused on particulate matter (PM). Only a single monitoring location contributes to the public dataset, providing measurements of PM2.5 expressed in micrograms per cubic metre. The lone entry records a concentration of 4.23 µg/m³ at Rotella Park, with the most recent reading timestamped 2026-02-10 23:01 UTC. This observation falls within the “updated within 7 days” freshness category, indicating that the available data is relatively current but limited to one point in time.
Because there is just one row, the reported statistics are identical across all measures: the minimum, median, and maximum values are each 4.23 µg/m³, and both the 10th and 90th percentiles match this figure as well. Consequently, no variability or spread can be assessed from the dataset, and coverage is restricted to a single site rather than a broader network across Adams County. Users should keep in mind that air quality can differ across neighborhoods and over time, so this snapshot may not represent conditions elsewhere in the county.
Learn more about sources and filtering: About the data.
Trusted references: WHO (Air pollution) · US EPA AirNow · European Environment Agency (Air)
Latest sensor values (bars)
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
Data notes
The data shown reflects a single valid measurement and is updated within 3 days, with the most recent reading recorded at 2026‑02‑10T23:01:12+00:00. This snapshot provides a brief view of current conditions, but air quality can vary across different neighborhoods and times of day within Adams County, Colorado. Consequently, the displayed values may not represent every location or moment throughout the city.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| Rotella Park | pm25 | 4.23 | µg/m³ | 2026-02-10 23:01 UTC |