Air Quality in Saint-Lô, France
Windy
16.3°C · 68.0% humidity
16.3°
Feels 16.3°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Saint-Lô's air quality — share it
AQI Forecast
Calibrated
29
5pm
29
29
61
8pm
59
52
48
11pm
44
35
33
2am
32
31
31
5am
30
30
30
8am
29
29
29
11am
29
27
27
2pm
27
27
Station readings
33
33
CAMS model
adj +2
27
27
27
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
Air Quality Index Trend
39h · 1 stnSaint-Lô'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. Current PM2.5 concentration in Saint-Lô is 1.1× the WHO 24-hour guideline of 15 µg/m³.
68.0%
Humidity
54.2 km/h
Wind NE
1027.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint-Lô?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.516.9 µg/m³
×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
16.9
Median
16.9
Average
16.9
Low
16.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -10.6
What is the 7-day forecast for Saint-Lô?
09-05
24.9° 10.4°
09-06
18.5° 13.2°
0.06 mm
09-07
20.9° 12.7°
12.13 mm
09-08
25.4° 10.7°
0.13 mm
09-09
20.0° 10.2°
0.94 mm
09-10
22.9° 15.6°
09-11
17.8° 12.0°
0.13 mm
Both models agree
Avg diff: 3.5°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 2026-09-05T18:56 UTC.