Air quality
Air quality in Jiutai today
Updated
Moderate (US AQI 97) Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. Model estimate for Mon, Oct 26, 10:00 am (02:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Jiutai, Jilin, China, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 97 Moderate
- PM2.5
- 24 µg/m³ 1.6× WHO 24-h guideline
- PM10
- 29 µg/m³
- Ozone
- 26 µg/m³
- Dominant pollutant
- PM2.5 sub-index 97
- Best hour today
- 9:00 pm AQI 88
- European AQI
- 45
Air quality in Jiutai right now
Right now the modelled US Air Quality Index for Jiutai, Jilin, China is 97, which falls in the "Moderate" band (up to 100). Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
The index is driven mainly by PM2.5, whose own sub-index is 97. 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 24 µg/m³, 1.6 times the WHO 24-hour guideline of 15 µg/m³; PM10 is 29 µg/m³ against a guideline of 45; ozone is 26 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 28 µg/m³ (above the 24-hour guideline of 25).
Also this hour: UV index 1.1, carbon monoxide 304 µg/m³.
NASA FIRMS shows 691 fire hotspots within 300 km in the last day (nearest about 11 km), but particle levels are not elevated enough to point to smoke right now.
Jiutai AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 57 around Tue 10:00 am to 98 around Mon 11:00 am, staying "Moderate" throughout.
The following day is expected to be cleaner, averaging about 41 against 82 for the next 24 hours.
| Local time (Asia/Shanghai) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Mon 10:00 am | 97 | Moderate | 24.4 | 29 | 26 |
| Mon 1:00 pm | 97 | Moderate | 9.1 | 16 | 55 |
| Mon 4:00 pm | 95 | Moderate | 11.2 | 17 | 44 |
| Mon 7:00 pm | 92 | Moderate | 18.1 | 22 | 23 |
| Mon 10:00 pm | 85 | Moderate | 20 | 24 | 19 |
| Tue 1:00 am | 76 | Moderate | 14.5 | 17 | 35 |
| Tue 4:00 am | 67 | Moderate | 4.2 | 5 | 49 |
| Tue 7:00 am | 62 | Moderate | 7.2 | 9 | 48 |
| Tue 10:00 am | 57 | Moderate | 3 | 4 | 66 |
| Tue 1:00 pm | 53 | Moderate | 3.1 | 5 | 77 |
| Tue 4:00 pm | 51 | Moderate | 3.5 | 7 | 72 |
| Tue 7:00 pm | 47 | Good | 5.4 | 8 | 65 |
| Tue 10:00 pm | 38 | Good | 6.2 | 8 | 59 |
| Wed 1:00 am | 30 | Good | 7 | 8 | 50 |
| Wed 4:00 am | 29 | Good | 8.7 | 10 | 38 |
| Wed 7:00 am | 32 | Good | 15 | 19 | 34 |
| Wed 10:00 am | 37 | Good | 6.6 | 10 | 57 |
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 Jiutai today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 9:00 pm (AQI 88, Moderate) and the worst around 11:00 am (AQI 98). That is a swing of 10 points, so a run or walk around 9:00 pm is noticeably better.
Jiutai vs the rest of China
Across 447 China cities we track, the average US AQI right now is 86 (Moderate). Jiutai at 97 is 11 points worse than average.
For context, the median across 3,556 cities worldwide is 58.
Air quality in cities near Jiutai
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Changchun | 51 km | 99 | Moderate | 21 |
| Jilin | 68 km | 101 | Unhealthy for Sensitive Groups | 24.8 |
| Longshan | 151 km | 85 | Moderate | 26.5 |
| Siping | 160 km | 96 | Moderate | 30.7 |
| Harbin | 189 km | 68 | Moderate | 15 |
| Honggang | 260 km | 48 | Good | 8.4 |
| Tieling | 262 km | 85 | Moderate | 34.9 |
| Tonghua | 270 km | 61 | Moderate | 18.4 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Jiutai, 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 97, most people are fine outdoors. If you are unusually sensitive to PM2.5, keep long or intense workouts to the cleaner hours shown above.
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 Jiutai
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), NASA FIRMS.