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Z AQI Data

Today’s Air Quality Index (AQI)
London, GB
10:39 AM, Jan 29, 2026
Last updated on: 10:39 AM
6
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
50
100
150
200
250
300+
Primary Pollutant: PM2.5 (Particulate matter less than 1.14 microns)
Pollutant Details
Good Particulate Matter (PM₂.₅) 1.14 µg/m³
London Particulate Matter (PM₂.₅) Level United Kingdom
Particulate Matter (PM₂.₅)
1.14 µg/m³ Good
Last updated on: Jan 29, 2026 10:39 AM
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
10
25
50
75
100+

The current Particulate Matter (PM₂.₅) level at London is 1.14 µg/m³ , which is excellent. The air is clean and safe for everyone.

13.2x Below
The current Particulate Matter (PM₂.₅) level in London is 13.2x Below the recommended WHO guideline of 15 µg/m³.
Pollutant Sources:
  • Vehicle exhaust (especially diesel)
  • Industrial emissions
  • Residential wood burning
  • Wildfires
  • Construction and demolition dust
  • Coal and biomass burning
  • Secondary formation from gases like SO₂, NOx
✕
Good Particulate Matter (PM₁₀) 2.21 µg/m³
London Particulate Matter (PM₁₀) Level United Kingdom
Particulate Matter (PM₁₀)
2.21 µg/m³ Good
Last updated on: Jan 29, 2026 10:39 AM
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
20
50
100
200
250+

The current Particulate Matter (PM₁₀) level at London is 2.21 µg/m³ , which is excellent. The air is clean and safe for everyone.

20.4x Below
The current Particulate Matter (PM₁₀) level in London is 20.4x Below the recommended WHO guideline of 45 µg/m³.
Pollutant Sources:
  • Road dust and soil dust
  • Construction sites
  • Mining and agriculture
  • Industrial grinding/crushing
  • Pollen, mold spores
  • Sea spray in coastal areas
✕
Good Sulphur Dioxide (SO₂) 2.4 µg/m³
London Sulphur Dioxide (SO₂) Level United Kingdom
Sulphur Dioxide (SO₂)
2.4 µg/m³ Good
Last updated on: Jan 29, 2026 10:39 AM
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
20
80
250
350
400+

The current Sulphur Dioxide (SO₂) level at London is 2.4 µg/m³ , which is excellent. The air is clean and safe for everyone.

16.7x Below
The current Sulphur Dioxide (SO₂) level in London is 16.7x Below the recommended WHO guideline of 40 µg/m³.
Pollutant Sources:
  • Coal-fired power plants
  • Industrial boilers
  • Oil refineries
  • Ships using high-sulfur fuel
  • Metal smelting
✕
Good Nitrogen Dioxide (NO₂) 4.19 µg/m³
London Nitrogen Dioxide (NO₂) Level United Kingdom
Nitrogen Dioxide (NO₂)
4.19 µg/m³ Good
Last updated on: Jan 29, 2026 10:39 AM
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
40
70
150
200
250+

The current Nitrogen Dioxide (NO₂) level at London is 4.19 µg/m³ , which is excellent. The air is clean and safe for everyone.

6x Below
The current Nitrogen Dioxide (NO₂) level in London is 6x Below the recommended WHO guideline of 25 µg/m³.
Pollutant Sources:
  • Vehicle engines (especially diesel)
  • Heating systems
  • Power plants (burning fossil fuels)
  • Gas stoves (indoor NO₂)
  • Industrial combustion processes
✕
Moderate Ozone (O₃) 76.57 µg/m³
London Ozone (O₃) Level United Kingdom
Ozone (O₃)
76.57 µg/m³ Moderate
Last updated on: Jan 29, 2026 10:39 AM
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
60
100
140
180
220+

The current Ozone (O₃) level at London is 76.57 µg/m³ , which is acceptable. Sensitive individuals should take light caution.

1.3x Below
The current Ozone (O₃) level in London is 1.3x Below the recommended WHO guideline of 100 µg/m³.
Pollutant Sources:
  • Car and truck exhaust
  • Power plants
  • Industrial solvents and paints (VOCs)
  • Chemical manufacturing
  • Gasoline vapors
  • Lawn equipment
✕
Good Carbon Monoxide (CO) 143.45 µg/m³
London Carbon Monoxide (CO) Level United Kingdom
Carbon Monoxide (CO)
143.45 µg/m³ Good
Last updated on: Jan 29, 2026 10:39 AM
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
0
4400
9400
12400
15400
18000+

The current Carbon Monoxide (CO) level at London is 143.45 µg/m³ , which is excellent. The air is clean and safe for everyone.

27.9x Below
The current Carbon Monoxide (CO) level in London is 27.9x Below the recommended WHO guideline of 4000 µg/m³.
Pollutant Sources:
  • Incomplete combustion in vehicles
  • Wildfires
  • Gas stoves and heaters
  • Cigarette smoke
  • Wood burning stoves
  • Faulty indoor appliances
✕
Air Quality Hourly Forecast
  • Daily
  • Hourly
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 1.82 µg/m³
Good Particulate Matter (PM₁₀) 3.13 µg/m³
Good Sulphur Dioxide (SO₂) 2.44 µg/m³
Good Nitrogen Dioxide (NO₂) 5.7 µg/m³
Moderate Ozone (O₃) 66.77 µg/m³
Good Carbon Monoxide (CO) 154.55 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 0.79 µg/m³
Good Particulate Matter (PM₁₀) 1.54 µg/m³
Good Sulphur Dioxide (SO₂) 1.28 µg/m³
Good Nitrogen Dioxide (NO₂) 3.42 µg/m³
Moderate Ozone (O₃) 82.7 µg/m³
Good Carbon Monoxide (CO) 135.05 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 0.9 µg/m³
Good Particulate Matter (PM₁₀) 1.48 µg/m³
Good Sulphur Dioxide (SO₂) 2.07 µg/m³
Good Nitrogen Dioxide (NO₂) 4.28 µg/m³
Moderate Ozone (O₃) 92.96 µg/m³
Good Carbon Monoxide (CO) 134.74 µg/m³
Good Air is clean and safe. No health risks expected. Everyone can enjoy outdoor activities without concern.
Good Particulate Matter (PM₂.₅) 3.65 µg/m³
Good Particulate Matter (PM₁₀) 4.79 µg/m³
Good Sulphur Dioxide (SO₂) 3.1 µg/m³
Good Nitrogen Dioxide (NO₂) 8.75 µg/m³
Good Ozone (O₃) 58.49 µg/m³
Good Carbon Monoxide (CO) 170.14 µg/m³

london, GB Historical Air Quality Data

Explore historical AQI data and pollutant changes over time.
Jan 29, 2026 10:39 AM
SUNMONTUEWEDTHUFRISAT
30
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 77 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Nov 30
3
Max at 1:00 AM on Nov 30, 2025
01
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 8 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 71 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Dec 1
10
Max at 6:00 PM on Dec 1, 2025
02
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 76 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 4:00 AM on Dec 2
5
Max at 1:00 AM on Dec 2, 2025
03
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 77 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Dec 3
6
Max at 11:00 PM on Dec 3, 2025
04
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 76 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 12:00 PM on Dec 4
6
Max at 1:00 AM on Dec 4, 2025
05
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 79 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Dec 5
10
Max at 12:00 AM on Dec 5, 2025
06
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 8 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 84 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
4
Min at 7:00 PM on Dec 6
11
Max at 1:00 AM on Dec 6, 2025
07
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 15 µg/m3
SO₂ 5 µg/m3
NO₂ 5 µg/m3
O₃ 73 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
4
Min at 8:00 AM on Dec 7
27
Max at 6:00 PM on Dec 7, 2025
08
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 10 µg/m3
SO₂ 5 µg/m3
NO₂ 6 µg/m3
O₃ 66 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
5
Min at 6:00 PM on Dec 8
20
Max at 4:00 AM on Dec 8, 2025
09
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 13 µg/m3
SO₂ 5 µg/m3
NO₂ 6 µg/m3
O₃ 62 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
8
Min at 10:00 AM on Dec 9
17
Max at 9:00 PM on Dec 9, 2025
10
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 10 µg/m3
SO₂ 5 µg/m3
NO₂ 4 µg/m3
O₃ 73 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
5
Min at 5:00 AM on Dec 10
10
Max at 12:00 AM on Dec 10, 2025
11
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 15 µg/m3
SO₂ 8 µg/m3
NO₂ 10 µg/m3
O₃ 48 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
9
Min at 12:00 AM on Dec 11
28
Max at 12:00 PM on Dec 11, 2025
12
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 8 µg/m3
SO₂ 8 µg/m3
NO₂ 10 µg/m3
O₃ 48 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
5
Min at 5:00 PM on Dec 12
14
Max at 9:00 AM on Dec 12, 2025
13
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 5 µg/m3
SO₂ 10 µg/m3
NO₂ 11 µg/m3
O₃ 63 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 4:00 AM on Dec 13
10
Max at 12:00 AM on Dec 13, 2025
14
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 13 µg/m3
SO₂ 8 µg/m3
NO₂ 8 µg/m3
O₃ 56 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
9
Min at 8:00 PM on Dec 14
33
Max at 7:00 AM on Dec 14, 2025
15
25
Good
PM2.5: 5
AQI
25
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 25 µg/m3
PM₁₀ 18 µg/m3
SO₂ 5 µg/m3
NO₂ 6 µg/m3
O₃ 53 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
15
Min at 12:00 AM on Dec 15
28
Max at 5:00 AM on Dec 15, 2025
16
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 13 µg/m3
SO₂ 10 µg/m3
NO₂ 18 µg/m3
O₃ 41 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
13
Min at 1:00 PM on Dec 16
22
Max at 12:00 AM on Dec 16, 2025
17
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 13 µg/m3
SO₂ 10 µg/m3
NO₂ 14 µg/m3
O₃ 47 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
5
Min at 11:00 AM on Dec 17
28
Max at 4:00 AM on Dec 17, 2025
18
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 5 µg/m3
SO₂ 3 µg/m3
NO₂ 5 µg/m3
O₃ 64 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
5
Min at 12:00 AM on Dec 18
9
Max at 10:00 AM on Dec 18, 2025
19
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 3 µg/m3
O₃ 83 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 3:00 AM on Dec 19
4
Max at 1:00 AM on Dec 19, 2025
20
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 10 µg/m3
SO₂ 5 µg/m3
NO₂ 8 µg/m3
O₃ 60 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Dec 20
30
Max at 8:00 PM on Dec 20, 2025
21
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 8 µg/m3
SO₂ 5 µg/m3
NO₂ 9 µg/m3
O₃ 44 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
5
Min at 1:00 AM on Dec 21
16
Max at 12:00 AM on Dec 21, 2025
22
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 10 µg/m3
SO₂ 8 µg/m3
NO₂ 10 µg/m3
O₃ 48 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
5
Min at 8:00 AM on Dec 22
43
Max at 12:00 AM on Dec 22, 2025
23
61
Moderate
PM2.5: 13
AQI
61
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 61 µg/m3
PM₁₀ 43 µg/m3
SO₂ 10 µg/m3
NO₂ 29 µg/m3
O₃ 24 µg/m3
CO 3 µg/m3
AQI Hourly Forecast Graph
32
Min at 6:00 PM on Dec 23
99
Max at 8:00 AM on Dec 23, 2025
24
25
Good
PM2.5: 5
AQI
25
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 25 µg/m3
PM₁₀ 20 µg/m3
SO₂ 5 µg/m3
NO₂ 9 µg/m3
O₃ 61 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
5
Min at 7:00 PM on Dec 24
55
Max at 2:00 AM on Dec 24, 2025
25
25
Good
PM2.5: 5
AQI
25
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 25 µg/m3
PM₁₀ 20 µg/m3
SO₂ 10 µg/m3
NO₂ 11 µg/m3
O₃ 67 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
8
Min at 1:00 AM on Dec 25
55
Max at 12:00 AM on Dec 25, 2025
26
71
Moderate
PM2.5: 16
AQI
71
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 71 µg/m3
PM₁₀ 54 µg/m3
SO₂ 18 µg/m3
NO₂ 23 µg/m3
O₃ 36 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
59
Min at 1:00 AM on Dec 26
88
Max at 12:00 AM on Dec 26, 2025
27
64
Moderate
PM2.5: 14
AQI
64
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 64 µg/m3
PM₁₀ 50 µg/m3
SO₂ 13 µg/m3
NO₂ 23 µg/m3
O₃ 42 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
17
Min at 11:00 PM on Dec 27
98
Max at 6:00 AM on Dec 27, 2025
28
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 25 µg/m3
SO₂ 5 µg/m3
NO₂ 6 µg/m3
O₃ 78 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
8
Min at 6:00 AM on Dec 28
16
Max at 1:00 AM on Dec 28, 2025
29
15
Good
PM2.5: 3
AQI
15
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 15 µg/m3
PM₁₀ 20 µg/m3
SO₂ 8 µg/m3
NO₂ 9 µg/m3
O₃ 74 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
5
Min at 8:00 PM on Dec 29
25
Max at 3:00 AM on Dec 29, 2025
30
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 10 µg/m3
SO₂ 5 µg/m3
NO₂ 6 µg/m3
O₃ 80 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
4
Min at 5:00 PM on Dec 30
8
Max at 2:00 AM on Dec 30, 2025
31
10
Good
PM2.5: 2
AQI
10
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 13 µg/m3
SO₂ 10 µg/m3
NO₂ 11 µg/m3
O₃ 72 µg/m3
CO 2 µg/m3
AQI Hourly Forecast Graph
6
Min at 1:00 AM on Dec 31
18
Max at 10:00 PM on Dec 31, 2025
01
0
Good
PM2.5: 0
AQI
0
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 0 µg/m3
PM₁₀ 0 µg/m3
SO₂ 0 µg/m3
NO₂ 0 µg/m3
O₃ 3 µg/m3
CO 0 µg/m3
02
0
Good
PM2.5: 0
AQI
0
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 0 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 80 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 2:00 AM on Jan 2
3
Max at 2:00 AM on Jan 2, 2026
03
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 3 µg/m3
SO₂ 3 µg/m3
NO₂ 4 µg/m3
O₃ 82 µg/m3
CO 1 µg/m3
AQI Hourly Forecast Graph
3
Min at 1:00 AM on Jan 3
3
Max at 1:00 AM on Jan 3, 2026