Air quality
Air quality in Great Sankey today
Updated
Good (US AQI 43) Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. Model estimate for Fri, Nov 6, 2:00 am (02:00 UTC).
Air quality in Great Sankey right now
Right now the modelled US Air Quality Index for Great Sankey, England, United Kingdom is 43, 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.
The index is driven mainly by PM2.5, whose own sub-index is 43. 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 14 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 21 µg/m³ against a guideline of 45; ozone is 22 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 32 µg/m³ (above the 24-hour guideline of 25).
Also this hour: carbon monoxide 225 µg/m³.
Live AQI, PM2.5, PM10 and ozone for Great Sankey, England, United Kingdom, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 43 Good
- PM2.5
- 14 µg/m³ 0.9× WHO 24-h guideline
- PM10
- 21 µg/m³
- Ozone
- 22 µg/m³
- Dominant pollutant
- PM2.5 sub-index 43
- Best hour today
- 6:00 am AQI 50
- European AQI
- 44
Great Sankey AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 43 around Fri 2:00 am to 69 around Sat 2:00 am, from "Good" at best to "Moderate" at worst.
The following day is expected to be worse, averaging about 78 against 56 for the next 24 hours.
| Local time (Europe/London) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Fri 2:00 am | 43 | Good | 13.9 | 21 | 22 |
| Fri 5:00 am | 49 | Good | 13.4 | 20 | 26 |
| Fri 8:00 am | 51 | Moderate | 13.9 | 20 | 12 |
| Fri 11:00 am | 53 | Moderate | 15.1 | 20 | 23 |
| Fri 2:00 pm | 56 | Moderate | 14.6 | 19 | 33 |
| Fri 5:00 pm | 58 | Moderate | 18.4 | 23 | 12 |
| Fri 8:00 pm | 61 | Moderate | 27.5 | 35 | 1 |
| Fri 11:00 pm | 65 | Moderate | 30.6 | 39 | 0 |
| Sat 2:00 am | 69 | Moderate | 29.2 | 36 | 0 |
| Sat 5:00 am | 72 | Moderate | 29.4 | 35 | 1 |
| Sat 8:00 am | 76 | Moderate | 27.9 | 33 | 3 |
| Sat 11:00 am | 79 | Moderate | 23.7 | 29 | 19 |
| Sat 2:00 pm | 81 | Moderate | 20.5 | 24 | 32 |
| Sat 5:00 pm | 82 | Moderate | 19.6 | 24 | 23 |
| Sat 8:00 pm | 82 | Moderate | 26.5 | 32 | 8 |
| Sat 11:00 pm | 82 | Moderate | 29.2 | 35 | 4 |
| Sun 2:00 am | 81 | Moderate | 24.5 | 26 | 7 |
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 Great Sankey today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 6:00 am (AQI 50, Good) and the worst around 9:00 pm (AQI 63). That is a swing of 13 points, so a run or walk around 6:00 am is noticeably better.
Great Sankey vs the rest of United Kingdom
Across 34 United Kingdom cities we track, the average US AQI right now is 46 (Good). Great Sankey at 43 is about average.
For context, the median across 950 cities worldwide is 50.
Air quality in cities near Great Sankey
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Salford | 25 km | 37 | Good | 11.4 |
| Manchester | 28 km | 37 | Good | 11.4 |
| Stockport | 32 km | 37 | Good | 11.4 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Great Sankey, 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
With the AQI at 43, 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 Great Sankey
Air quality elsewhere
Guides
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).