Boulder · Longmont ·
Longmont, Boulder
Air quality is satisfactory; pollution poses little or no risk.
REPORTED · AIRLENSCOUNTRY · United States40.165 °N · -105.101 °E
AQI · US EPA
25
Good
BAND 0 — 50
Dominant pollutant
PM2.5 Fine particulate
02.1
Pollutants · waterfall
6 tracked| No. | Species | Concentration | Sub-index | Contribution to AQI |
|---|---|---|---|---|
| 01 | PM2.5 Fine particulate · μg/m³ | 6.1μg/m³ | 25 | DOMINANT |
| 02 | PM10 Coarse particulate · μg/m³ | —μg/m³ | — | — |
| 03 | O₃ Ozone · ppb | —ppb | — | — |
| 04 | NO₂ Nitrogen dioxide · ppb | —ppb | — | — |
| 05 | SO₂ Sulphur dioxide · ppb | —ppb | — | — |
| 06 | CO Carbon monoxide · ppm | —ppm | — | — |
02.2
Ambient conditions
meteorologicalTemperature6°C
Humidity58%
Pressure839.4hPa
Wind3.03m/s
02.3
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Data · attribution
- OpenAQCC BY 4.0
- AirNow
- Open-MeteoCC BY 4.0