LONDON MARATHON 2026 · AIRA GO · PM2.5
AIRA READINGS
197
DISTANCE
42.7 km
DURATION
3h 15m 50s
MEAN PM2.5
10.5 µg/m³
PEAK PM2.5
50.0 µg/m³
DATE
26 Apr 2026
Aira Route
Aira Readings
LAQN Stations
ELAPSED
0:00:00
DISTANCE
0.0 km
PM2.5
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CATEGORY
–
08:44 UTC
0km
5km
10km
15km
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25km
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40km
AIRA PM2.5:
Excellent 0–5
Good 5–10
Fair 10–15
Poor 15–25
Very Poor 25–50
Severe 50+
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⬤ LAQN: hourly reference monitors (Imperial College London)
WHO 24h limit: 15 µg/m³