Over the next 24 hours the index should stay between 228 and 500: cleanest air around 03:00, most polluted around 23:00.
Modelled values: Copernicus CAMS, via OpenWeather · updated 03:00
Hourly air quality forecast in Huanglongsi
4-day forecast, 96 hours- 3 AM22811°5 km/h
- 4 AM23011°6 km/h
- 5 AM23311°12 km/h
- 6 AM23410°17 km/h
- 7 AM2399°18 km/h
- 8 AM2449°15 km/h
- 9 AM23211°16 km/h
- 10 AM22912°16 km/h
- 11 AM23414°14 km/h
- 12 PM24215°14 km/h
- 1 PM25616°12 km/h
- 2 PM27217°12 km/h
- 3 PM28917°11 km/h
- 4 PM31116°11 km/h
- 5 PM33815°10 km/h
- 6 PM37013°12 km/h
- 7 PM41413°12 km/h
- 8 PM45512°12 km/h
- 9 PM47711°13 km/h
- 10 PM49611°13 km/h
- 11 PM50010°13 km/h
- 12 AM47910°14 km/h
- 1 AM45810°13 km/h
- 2 AM4369°13 km/h
- 3 AM4089°12 km/h
- 4 AM3818°12 km/h
- 5 AM3578°12 km/h
- 6 AM3318°12 km/h
- 7 AM3118°11 km/h
- 8 AM2979°10 km/h
- 9 AM28411°9 km/h
- 10 AM27113°9 km/h
- 11 AM25615°10 km/h
- 12 PM22417°13 km/h
- 1 PM20318°11 km/h
- 2 PM19018°9 km/h
- 3 PM18519°10 km/h
- 4 PM18518°5 km/h
- 5 PM18616°13 km/h
- 6 PM18512°22 km/h
- 7 PM18312°19 km/h
- 8 PM17911°21 km/h
- 9 PM17310°21 km/h
- 10 PM17010°20 km/h
- 11 PM16510°20 km/h
- 12 AM1609°21 km/h
- 1 AM1589°20 km/h
- 2 AM1579°19 km/h
- 3 AM1588°21 km/h
- 4 AM1598°17 km/h
- 5 AM1588°16 km/h
- 6 AM1567°18 km/h
- 7 AM1547°19 km/h
- 8 AM1527°21 km/h
- 9 AM1428°21 km/h
- 10 AM1329°21 km/h
- 11 AM12510°22 km/h
- 12 PM12211°23 km/h
- 1 PM12112°25 km/h
- 2 PM12212°25 km/h
- 3 PM12712°24 km/h
- 4 PM12611°24 km/h
- 5 PM11510°24 km/h
- 6 PM968°24 km/h
- 7 PM837°24 km/h
- 8 PM737°22 km/h
- 9 PM677°21 km/h
- 10 PM646°19 km/h
- 11 PM635°17 km/h
- 12 AM635°15 km/h
- 1 AM654°13 km/h
- 2 AM694°11 km/h
- 3 AM743°8 km/h
- 4 AM813°6 km/h
- 5 AM882°6 km/h
- 6 AM952°6 km/h
- 7 AM1092°5 km/h
- 8 AM1283°5 km/h
- 9 AM1446°3 km/h
- 10 AM1528°3 km/h
- 11 AM15310°5 km/h
- 12 PM12211°7 km/h
- 1 PM11612°8 km/h
- 2 PM11913°8 km/h
- 3 PM14012°7 km/h
- 4 PM15712°5 km/h
- 5 PM16411°5 km/h
- 6 PM17110°7 km/h
- 7 PM1818°9 km/h
- 8 PM1917°11 km/h
- 9 PM1987°12 km/h
- 10 PM2056°12 km/h
- 11 PM2096°13 km/h
- 12 AM2045°13 km/h
- 1 AM1985°12 km/h
- 2 AM1945°12 km/h
Daily air quality forecast in Huanglongsi
| Day | Peak AQI | icon | High / Low | Wind |
|---|---|---|---|---|
| Fri6 | 500avg 311 | 17° / 9°C | 13 km/h | |
| Sat7 | 479avg 271 | 19° / 8°C | 13 km/h | |
| Sun8 | 160avg 125 | 12° / 5°C | 21 km/h | |
| Mon9 | 209avg 133 | 13° / 2°C | 8 km/h | |
| Tue10 | 204avg 199 | 5° / 5°C | 12 km/h |
Each day shows its worst hour (peak) and its average.
- PM2.5 Fine particles (≤ 2.5 µm)153.1 µg/m³228
- PM10 Coarse particles (≤ 10 µm)206.3 µg/m³126
- NO₂ Nitrogen dioxide51.1 µg/m³25
- SO₂ Sulphur dioxide17.3 µg/m³9
- CO Carbon monoxide1063.9 µg/m³10
- O₃ Ozone1.8 µg/m³0
What this means today
Health alert. Avoid outdoor exertion and keep windows closed. Sensitive groups should remain indoors.
- Sensitive groups
- Avoid all outdoor activity
- Outdoor exercise
- Skip it today
- Windows
- Keep closed, filter the air if you can
The index is set by PM2.5 at 153.1 µg/m³ (sub-index 228).
These values come from the Copernicus atmospheric model as distributed by OpenWeather, sampled at the coordinates of Huanglongsi. They are modelled concentrations on a grid, not readings from a monitoring station inside the town, so neighbouring localities in the same grid cell will show similar figures. Treat them as a regional indication rather than a measurement taken at your street.
Air quality history in Huanglongsi
245 US AQI · Very unhealthy · November average
24% higher than the 12-month average (197).
Hourly model data (Copernicus CAMS via OpenWeather), US AQI computed by Weatheo
Air quality near Huanglongsi
Modelled (Copernicus CAMS via Open-Meteo), worst first · Updated 03:00
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