PM2.5 observation snapshot
4.4 µg/m³ · 9 sensors
Prepared:
Values refer to the stated observation times. Open the map for the latest readings.
Open mapHouston Air Quality — PM2.5 & Sensors
United States
Sensors and observation times
| Sensor | PM2.5 (µg/m³) | UTC |
|---|---|---|
| Houston | 1.7 | |
| 5353 Fannin St | 0.7 | |
| MATHC North Side | 0.3 | |
| Heights 5 Corners | 7.2 | |
| AAH Third Ward Bike Shop | 6.7 | |
| Progressive New Hope | 14.7 | |
| AAH - Paige St (EaDo) | 3.2 | |
| Buffalo Bayou at Shepherd | 0.0 | |
| AAH - Lamar St | 5.5 |
Methodology and limitations
The value is the arithmetic mean of the latest available individual sensor observations, each at most one hour old when the snapshot was prepared. It is neither a 24-hour average nor an AQI index.
Duplicate sensor records do not increase their weight. Missing, negative and PM2.5 readings above 500 µg/m³ are excluded under the Atmy quality rule. Pilot cities require at least three qualifying sensors. Sensor count does not guarantee uniform coverage or laboratory accuracy.
Source: public Atmy monitoring data. Data terms