Worst air pollution Pontypridd, today and tomorrow
Today (16 July): Air quality in Pontypridd is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 34.0/100).
Tomorrow (17 July 2026): Air quality in Pontypridd is fair. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 43.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Like much of Rhondda Cynon Taf, Pontypridd's air quality is shaped less by industry these days and more by everyday road traffic. The A55 generates consistent traffic-related NO₂ and PM2.5, particularly during peak commuting hours. Moist Atlantic fronts offer a degree of natural ventilation, keeping pollution broadly in line with comparable UK towns.
Today - 16 July | Pollution peaks at 15:00
AQI:
Fair
34.0/100
PM2.5 (fine particles):
Good
11.2/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
24.2/100
O3 (ozone):
Fair
34.0/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
10.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 16:00
AQI:
Medium
43.6/100
PM2.5 (fine particles):
Good
15.3/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Fair
32.1/100
O3 (ozone):
Medium
43.6/100
SO2 (sulfur dioxide):
Good
5.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Good
14.3/100
Pollen forecast in Pontypridd
View pollen forecastFrequently Asked Questions
Is air quality bad in Pontypridd right now?
On 16 July 2026, overall air quality in Pontypridd is fair. AQI is the main air quality indicator at 34.0/100. Pollution peaks around 3:00 PM (O3: 34.0/100).
Will air quality be worse tomorrow in Pontypridd?
On 17 July 2026, air quality conditions in Pontypridd will be similar to today, with NO2 forecast at fair at 32.1/100. Pollution peaks around 4:00 PM (O3: 43.6/100).
When is air pollution at its worst in Pontypridd?
You can roughly predict Pontypridd's air quality just by knowing the time of year. Come summer, it's ozone rather than particulates that's the bigger concern, especially on still, sunny days. Come winter, NO₂ and PM2.5 usually creep up, as heating and calmer air let A55 traffic emissions linger rather than disperse. For much of spring and autumn, things settle into a fairly unremarkable middle ground.
Are air quality levels in Pontypridd based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app