Air quality in Portsmouth
The UK Daily Air Quality Index (DAQI) is based on particulates (PM2.5/PM10), nitrogen dioxide (NO₂) and ozone (O₃). Bands: Low 1-3, Moderate 4-6, High 7-9, Very high 10.
PM2.5
4.4 µg/m³
WHO limit 15
PM10
7.7 µg/m³
WHO limit 45
Hourly (12h)
EAQI
03:00
💨
PM2.5 4.4 µg/m³
18Good
04:00
💨
PM2.5 4.6 µg/m³
18Good
05:00
💨
PM2.5 4.7 µg/m³
18Good
06:00
💨
PM2.5 5.1 µg/m³
19Good
07:00
💨
PM2.5 5.7 µg/m³
19Good
08:00
💨
PM2.5 5.8 µg/m³
20Good
09:00
💨
PM2.5 5.4 µg/m³
25Fair
10:00
💨
PM2.5 4.7 µg/m³
26Fair
11:00
💨
PM2.5 4.1 µg/m³
27Fair
12:00
💨
PM2.5 4 µg/m³
25Fair
13:00
💨
PM2.5 3.5 µg/m³
24Fair
14:00
💨
PM2.5 3.3 µg/m³
23Fair
Forecast — next days
Max index per day
Tue
💨
Fair · UV Moderate
30
Wed
💨
Fair · UV Moderate
28
Thu
💨
Fair · UV Moderate
33
Fri
💨
Fair · UV Moderate
32
Sat
💨
No data · UV Moderate
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