China · 古城 ·
古城, China
Health warning of emergency conditions.
REPORTED · AIRLENSCOUNTRY · China39.914 °N · 116.184 °E
AQI · US EPA
500
Hazardous
BAND 301 — 500
Dominant pollutant
CO Carbon monoxide
02.1
Pollutants · waterfall
6 tracked| No. | Species | Concentration | Sub-index | Contribution to AQI |
|---|---|---|---|---|
| 01 | PM2.5 Fine particulate · μg/m³ | 14μg/m³ | 55 | TRACE |
| 02 | PM10 Coarse particulate · μg/m³ | 38μg/m³ | 35 | TRACE |
| 03 | O₃ Ozone · ppb | 177ppb | 276 | SECONDARY |
| 04 | NO₂ Nitrogen dioxide · ppb | 9.0ppb | 8 | TRACE |
| 05 | SO₂ Sulphur dioxide · ppb | 3.0ppb | 4 | TRACE |
| 06 | CO Carbon monoxide · ppm | 500ppm | 500 | DOMINANT |
02.2
Ambient conditions
meteorologicalTemperature15.9°C
Humidity75%
Pressure1000.4hPa
Wind3.37m/s
02.3
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Data · attribution
- OpenAQCC BY 4.0
- ChinaAQIData
- Open-MeteoCC BY 4.0