Air quality
Air quality in Sosnowiec today
Updated
Moderate (US AQI 73) Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. Model estimate for Sun, Oct 25, 9:00 pm (20:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Sosnowiec, Silesia, Poland, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 73 Moderate
- PM2.5
- 12 µg/m³ 0.8× WHO 24-h guideline
- PM10
- 13 µg/m³
- Ozone
- 64 µg/m³
- Dominant pollutant
- PM2.5 sub-index 73
- Best hour tomorrow
- 11:00 am AQI 49
- European AQI
- 33
Air quality in Sosnowiec right now
Right now the modelled US Air Quality Index for Sosnowiec, Silesia, Poland is 73, 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 73. 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 12 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 13 µg/m³ against a guideline of 45; ozone is 64 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 7.5 µg/m³ (below the 24-hour guideline of 25).
Also this hour: carbon monoxide 231 µg/m³.
Sosnowiec AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 49 around Mon 11:00 am to 73 around Sun 9:00 pm, from "Good" at best to "Moderate" at worst.
The following day is expected to be worse, averaging about 95 against 56 for the next 24 hours.
| Local time (Europe/Warsaw) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Sun 9:00 pm | 73 | Moderate | 11.6 | 13 | 64 |
| Mon 12:00 am | 64 | Moderate | 6.3 | 10 | 56 |
| Mon 3:00 am | 58 | Moderate | 8.4 | 12 | 49 |
| Mon 6:00 am | 54 | Moderate | 11.7 | 17 | 36 |
| Mon 9:00 am | 51 | Moderate | 9.4 | 15 | 43 |
| Mon 12:00 pm | 49 | Good | 7.2 | 13 | 61 |
| Mon 3:00 pm | 51 | Moderate | 9.3 | 17 | 56 |
| Mon 6:00 pm | 52 | Moderate | 35.4 | 49 | 19 |
| Mon 9:00 pm | 59 | Moderate | 62.3 | 77 | 12 |
| Tue 12:00 am | 72 | Moderate | 55 | 70 | 13 |
| Tue 3:00 am | 83 | Moderate | 50.9 | 59 | 9 |
| Tue 6:00 am | 92 | Moderate | 43.7 | 61 | 4 |
| Tue 9:00 am | 100 | Moderate | 38.4 | 49 | 25 |
| Tue 12:00 pm | 108 | Unhealthy for Sensitive Groups | 18.5 | 26 | 55 |
| Tue 3:00 pm | 110 | Unhealthy for Sensitive Groups | 17.3 | 23 | 55 |
| Tue 6:00 pm | 112 | Unhealthy for Sensitive Groups | 41.4 | 45 | 20 |
| Tue 9:00 pm | 113 | Unhealthy for Sensitive Groups | 43.8 | 52 | 31 |
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 Sosnowiec tomorrow
Between 6 am and 9 pm local time, the cleanest air tomorrow is forecast around 11:00 am (AQI 49, Good) and the worst around 9:00 pm (AQI 59). That is a swing of 10 points, so a run or walk around 11:00 am is noticeably better.
Sosnowiec vs the rest of Poland
Across 25 Poland cities we track, the average US AQI right now is 63 (Moderate). Sosnowiec at 73 is 10 points worse than average.
It ranks 12 of 25 from cleanest to most polluted; the cleanest is Szczecin (29) and the most polluted Kraków (83).
For context, the median across 3,909 cities worldwide is 56.
Air quality in cities near Sosnowiec
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Katowice | 7 km | 68 | Moderate | 11 |
| Chorzów | 9 km | 68 | Moderate | 11 |
| Bytom | 14 km | 68 | Moderate | 11 |
| Tychy | 19 km | 68 | Moderate | 11 |
| Kraków | 64 km | 83 | Moderate | 11 |
| Ostrava | 77 km | 52 | Moderate | 6.3 |
| Zakopane | 125 km | 34 | Good | 2.7 |
| Martin | 136 km | 50 | Good | 4 |
Model vs measured
The nearest measured PM2.5 reading is 2.9 µg/m³ from Sensor.Community (median of 47 sensors), centred about 22 km from the city centre. That is 8.7 µg/m³ below the model estimate of 12 µg/m³. Low-cost sensors can read high in humid air; reference monitors are more accurate but sparser.
Wildfire smoke
PM2.5 is forecast to reach 62 µg/m³ in the next 24 hours while NASA satellites detected 27 fire hotspots within 300 km in the last day (nearest about 14 km away). Smoke is a likely contributor: keep windows closed, run an air purifier or HVAC filter, and check the fire map before heading out.
Advice for sensitive groups
At 73, 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 Sosnowiec
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), Sensor.Community, NASA FIRMS.