Air quality
Air quality in Bydgoszcz today
Updated
Good (US AQI 46) Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. Model estimate for Mon, Oct 26, 12:14 am (23:14 UTC).
Live AQI, PM2.5, PM10 and ozone for Bydgoszcz, Kujawsko-Pomorskie, Poland, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 46 Good
- PM2.5
- 10 µg/m³ 0.7× WHO 24-h guideline
- PM10
- 11 µg/m³
- Ozone
- 49 µg/m³
Air quality in Bydgoszcz right now
Right now the modelled US Air Quality Index for Bydgoszcz, Kujawsko-Pomorskie, Poland is 46, which falls in the "Good" band (up to 50). Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
PM2.5 is 10 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 11 µg/m³ against a guideline of 45; ozone is 49 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 5 µg/m³ (below the 24-hour guideline of 25).
NASA FIRMS shows 10 fire hotspots within 300 km in the last day (nearest about 211 km), but particle levels are not elevated enough to point to smoke right now.
Bydgoszcz vs the rest of Poland
Across 24 Poland cities we track, the average US AQI right now is 58 (Moderate). Bydgoszcz at 46 is 12 points cleaner than average.
It ranks 6 of 24 from cleanest to most polluted; the cleanest is Szczecin (28) and the most polluted Kraków (72).
For context, the median across 3,556 cities worldwide is 58.
Air quality in cities near Bydgoszcz
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Poznań | 108 km | 43 | Good | 6.2 |
| Gdańsk | 143 km | 43 | Good | 7.7 |
| Łódź | 180 km | 55 | Moderate | 8.2 |
| Bielany | 218 km | 67 | Moderate | 7.4 |
| Bemowo | 218 km | 67 | Moderate | 7.4 |
| Białołeka | 219 km | 67 | Moderate | 7.4 |
| Wola | 222 km | 67 | Moderate | 7.4 |
| Targówek | 225 km | 67 | Moderate | 7.4 |
Model vs measured
The nearest measured PM2.5 reading is 4.1 µg/m³ from Sensor.Community (median of 7 sensors), centred about 9 km from the city centre. That is 6 µg/m³ below the model estimate of 10 µg/m³. Low-cost sensors can read high in humid air; reference monitors are more accurate but sparser.
Advice for sensitive groups
With the AQI at 46, there is no need for sensitive groups to change plans. People with asthma should still carry their reliever inhaler as usual.
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 Bydgoszcz
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), Sensor.Community, NASA FIRMS.