Air quality
Air quality in Jiexiu today
Updated
Unhealthy for Sensitive Groups (US AQI 113) People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. Model estimate for Mon, Oct 26, 9:00 am (01:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Jiexiu, Shanxi, China, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 113 Unhealthy for Sensitive Groups
- PM2.5
- 22 µg/m³ 1.5× WHO 24-h guideline
- PM10
- 22 µg/m³
- Ozone
- 27 µg/m³
- Dominant pollutant
- PM2.5 sub-index 113
- Best hour today
- 9:00 pm AQI 91
- European AQI
- 44
Air quality in Jiexiu right now
Right now the modelled US Air Quality Index for Jiexiu, Shanxi, China is 113, which falls in the "Unhealthy for Sensitive Groups" band (up to 150). People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
The index is driven mainly by PM2.5, whose own sub-index is 113. Fine and coarse particles come from traffic, heating, industry, dust and smoke; they build up on calm nights and clear when wind or rain arrives.
PM2.5 is 22 µg/m³, 1.5 times the WHO 24-hour guideline of 15 µg/m³; PM10 is 22 µg/m³ against a guideline of 45; ozone is 27 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 21 µg/m³ (below the 24-hour guideline of 25).
Also this hour: UV index 1.3, carbon monoxide 392 µg/m³.
Jiexiu AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 62 around Tue 8:00 am to 113 around Mon 9:00 am, from "Moderate" at best to "Unhealthy for Sensitive Groups" at worst.
The following day is expected to be cleaner, averaging about 77 against 89 for the next 24 hours.
| Local time (Asia/Shanghai) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Mon 9:00 am | 113 | Unhealthy for Sensitive Groups | 21.9 | 22 | 27 |
| Mon 12:00 pm | 106 | Unhealthy for Sensitive Groups | 11.8 | 29 | 76 |
| Mon 3:00 pm | 102 | Unhealthy for Sensitive Groups | 10.6 | 27 | 91 |
| Mon 6:00 pm | 98 | Moderate | 12.7 | 24 | 73 |
| Mon 9:00 pm | 91 | Moderate | 16.9 | 25 | 46 |
| Tue 12:00 am | 82 | Moderate | 14.9 | 18 | 41 |
| Tue 3:00 am | 72 | Moderate | 15 | 17 | 30 |
| Tue 6:00 am | 65 | Moderate | 17.5 | 26 | 21 |
| Tue 9:00 am | 62 | Moderate | 25.1 | 73 | 35 |
| Tue 12:00 pm | 65 | Moderate | 26.4 | 129 | 82 |
| Tue 3:00 pm | 68 | Moderate | 21.1 | 91 | 84 |
| Tue 6:00 pm | 70 | Moderate | 30.5 | 85 | 47 |
| Tue 9:00 pm | 76 | Moderate | 49 | 94 | 0 |
| Wed 12:00 am | 83 | Moderate | 41.6 | 76 | 9 |
| Wed 3:00 am | 89 | Moderate | 32.9 | 65 | 19 |
| Wed 6:00 am | 92 | Moderate | 29 | 57 | 20 |
| Wed 9:00 am | 94 | Moderate | 31.1 | 52 | 35 |
Every third hour of the CAMS forecast via Open-Meteo. US AQI uses rolling averages (24 h for particles, 8 h for ozone), so it moves more slowly than the hourly concentrations.
Best time to be outside in Jiexiu today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 9:00 pm (AQI 91, Moderate) and the worst around 9:00 am (AQI 113). That is a swing of 22 points, so a run or walk around 9:00 pm is noticeably better.
Jiexiu vs the rest of China
Across 467 China cities we track, the average US AQI right now is 86 (Moderate). Jiexiu at 113 is 27 points worse than average.
For context, the median across 3,909 cities worldwide is 57.
Air quality in cities near Jiexiu
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Lüliang | 87 km | 83 | Moderate | 14.4 |
| Jinzhong | 105 km | 87 | Moderate | 29.9 |
| Linfen | 110 km | 73 | Moderate | 26.8 |
| Taiyuan | 110 km | 64 | Moderate | 9.4 |
| Changzhi | 142 km | 73 | Moderate | 22.4 |
| Xinzhou | 170 km | 72 | Moderate | 14.8 |
| Yangquan | 173 km | 68 | Moderate | 9.3 |
| Jincheng | 188 km | 107 | Unhealthy for Sensitive Groups | 30.5 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Jiexiu, so the numbers on this page are model estimates. Models capture regional pollution well but can miss very local sources such as a busy road or a nearby fire.
Advice for sensitive groups
At 113, children, older adults, pregnant people and anyone with asthma, COPD or heart disease should limit time outdoors, especially strenuous activity. A well-fitted N95/FFP2 mask cuts particle exposure; it does not filter ozone.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Jiexiu
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).