Halfweg NH · Amsterdam-Spaarnwoude ·
Amsterdam-Spaarnwoude, Halfweg NH
Air quality is satisfactory; pollution poses little or no risk.
REPORTED · AIRLENSCOUNTRY · Netherlands52.398 °N · 4.729 °E
AQI · US EPA
18
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 | 4.4μg/m³ | 18 | DOMINANT |
| 02 | PM10 Coarse particulate · μg/m³ | 12μg/m³ | 11 | SECONDARY |
| 03 | O₃ Ozone · ppb | —ppb | — | — |
| 04 | NO₂ Nitrogen dioxide · ppb | 6.6ppb | 6 | MINOR |
| 05 | SO₂ Sulphur dioxide · ppb | —ppb | — | — |
| 06 | CO Carbon monoxide · ppm | —ppm | — | — |
02.2
Ambient conditions
meteorologicalTemperature8°C
Humidity88%
Pressure1022.7hPa
Wind3m/s
02.3
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Data · attribution
- OpenAQCC BY 4.0
- EEA
- Open-MeteoCC BY 4.0