24-Hour Profile

Average PM₂.₅ by hour of day, based on the last 30 days of readings. Plan outdoor activities around the daily pollution cycle.

Peak Pollution Hour

8:00 AM

24.9 µg/m³ avg · avoid prolonged outdoor activity

Cleanest Hour

1:00 AM

13.5 µg/m³ avg · best window for outdoor exercise

Best time to exercise outdoors: Late Night (10 PM–4 AM) with an average of 14.7 µg/m³.

PM₂.₅ by Hour of Day

Average of last 30 days · coloured by AQI range

Morning

5–9 AM

22.9

µg/m³

Afternoon

10 AM–5 PM

17.5

µg/m³

Evening

6–9 PM

20.3

µg/m³

Night

10 PM–4 AM

14.7

µg/m³

Based on 30-day average by hour of day. Hourly averages are aggregated across all active public sensors. Updated 12:00 PM GMT.