Air Quality in Alton, United Kingdom
Drizzle
16.0°C · 92.5% humidity
16.0°
Feels 16.0°
1
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Alton's air quality — share it
AQI Forecast
Calibrated
1
9pm
1
1
1
12am
1
1
1
3am
1
1
1
6am
1
1
1
9am
1
1
8
12pm
8
8
8
3pm
1
1
1
6pm
1
1
Station readings
1
1
CAMS model
adj -26
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
27
27
27
27
27
Air Quality Index Trend
46h · 1 stnAlton's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
92.5%
Humidity
91.4 km/h
Wind SW
1010.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
0.26 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Alton?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.50.26 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
0.26
Median
0.26
Average
0.26
Low
0.26
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +5.9
What is the 7-day forecast for Alton?
08-03
36.6° 16.0°
1.63 mm
08-04
23.8° 13.3°
0.06 mm
08-05
23.5° 14.4°
08-06
27.4° 13.3°
7.94 mm
08-07
26.5° 12.3°
0.06 mm
08-08
22.3° 12.1°
1.31 mm
08-09
20.3° 11.7°
Both models agree
Avg diff: 3.3°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:06 UTC.