Worst air pollution Thirsk, today and tomorrow
Today (16 July): Air quality in Thirsk is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (O3: 28.5/100).
Tomorrow (17 July 2026): Air quality in Thirsk is fair. All pollutants stay as today. Pollution peaks around 4:00 AM (O3: 28.5/100). 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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Thirsk's air quality reflects its position within North Yorkshire, with local traffic and the town's built-up core as the main contributors. The M62 sees the heaviest traffic, and that shows up clearly in local roadside monitoring. Thanks to prevailing westerlies, pollution rarely lingers for long, which keeps average readings fairly unremarkable by UK standards.
Today - 16 July | Pollution peaks at 00:00
AQI:
Fair
28.5/100
PM2.5 (fine particles):
Good
17.7/100
PM10 (coarse particles):
Good
6.6/100
NO2 (nitrogen dioxide):
Good
1.4/100
O3 (ozone):
Fair
28.5/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
14.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 04:00
AQI:
Fair
28.5/100
PM2.5 (fine particles):
Good
19.6/100
PM10 (coarse particles):
Good
7.3/100
NO2 (nitrogen dioxide):
Good
1.6/100
O3 (ozone):
Fair
28.5/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
14.8/100
Pollen forecast in Thirsk
View pollen forecastFrequently Asked Questions
Is air quality bad in Thirsk right now?
On 16 July 2026, overall air quality in Thirsk is fair. AQI is the main air quality indicator at 28.5/100. Pollution peaks around 12:00 AM (O3: 28.5/100).
Will air quality be worse tomorrow in Thirsk?
On 17 July 2026, air quality conditions in Thirsk will be similar to today, with AQI forecast at fair at 28.5/100. Pollution peaks around 4:00 AM (O3: 28.5/100).
When is air pollution at its worst in Thirsk?
In Thirsk, pollution levels don't stay flat — winter and summer look pretty different. The coldest months usually bring the worst readings, as heating and temperature inversions keep M62 emissions from dispersing normally. By summer, ozone tends to rise on bright days, while better ventilation generally keeps particulate and NO₂ levels lower than winter. Spring and autumn are typically the easiest months, air-quality-wise, for most residents.
Are air quality levels in Thirsk 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.
Want to see air quality forecasts for other cities in United Kingdom?
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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