Air quality in Smithers, British Columbia, Canada today
Mr. Duck’s Air Quality Score
Moderate air today for Smithers, British Columbia, Canada
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
The air quality in Smithers today falls into the Moderate category according to OpenAQ data. The primary pollutant identified is PM10, with a measured concentration of 127.0 µg/m³. Additionally, fine particulate matter (PM2.5) was recorded at 6.4 µg/m³ based on five valid measurements.
These values reflect the current conditions reported for Smithers, British Columbia, Canada. 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 Smithers air‑quality dataset currently includes five measured pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), ozone (O₃), fine particulate matter (PM2.5) and coarse particulate matter (PM10). The data come from eight individual rows collected at two monitoring stations, each row representing a single pollutant reading. All of the most recent values were recorded on 2026‑02‑10 at 22:00 UTC, which falls within the “updated within three days” freshness window, so the snapshot reflects very recent conditions for every listed compound.
Across the eight rows the observed concentrations span modest ranges. NO₂ varies from a low of 0.004 ppm to a high of 0.0068 ppm with a median of about 0.0054 ppm; O₃ shows a similar spread, ranging between 0.015 and 0.018 ppm and centering near 0.0165 ppm. PM2.5 values are higher in absolute terms, moving from 2.2 to 6.4 µg/m³ with a median of roughly 4.3 µg/m³, while PM10 is reported as a single value of 127 µg/m³ for its sole row. NO is the most uniform, recorded at exactly 0.0037 ppm in its only entry.
The dataset’s coverage is uneven: three pollutants (NO₂, O₃ and PM2.5) have two rows each, providing a modest sense of variability, whereas NO and PM10 are represented by just one row each, limiting insight into their temporal fluctuations. Because the data set contains only eight rows from two stations, it captures a narrow slice of Smithers’ overall air quality landscape; conditions can differ across neighborhoods and over time, especially for pollutants with fewer observations.
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 for Smithers reflects five valid measurements and was updated within 3 days, with the most recent reading recorded on 2026‑02‑10 at 22:00 UTC. This snapshot provides a current view of air quality across the city, but conditions can differ by neighbourhood and time of day, so local variations may exist.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| Smithers St Josephs | no2 | 0.004 | ppm | 2021-07-21 21:00 UTC |
| Smithers St Josephs | o3 | 0.015 | ppm | 2021-07-21 21:00 UTC |
| Smithers St Josephs | pm25 | 2.2 | µg/m³ | 2021-07-21 21:00 UTC |
| Smithers Muheim Memo | no | 0.0037 | ppm | 2026-02-10 22:00 UTC |
| Smithers Muheim Memo | no2 | 0.0068 | ppm | 2026-02-10 22:00 UTC |
| Smithers Muheim Memo | o3 | 0.018 | ppm | 2026-02-10 22:00 UTC |
| Smithers Muheim Memo | pm10 | 127.0 | µg/m³ | 2026-02-10 22:00 UTC |
| Smithers Muheim Memo | pm25 | 6.4 | µg/m³ | 2026-02-10 22:00 UTC |