Eltham, Greenwich, United Kingdom Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Eltham, Greenwich, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (16th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Mar - 16th Mar 2026
Eltham, Greenwich, United Kingdom
6 AM15th Mar 2026
5 PM
5 AM16th Mar 2026
38AQI
22AQI
40AQI
18AQI
In the last 24 hours,
Eltham's AQI reached its highest point of 40 at 4 AM during the Night, while the lowest point, 18, was recorded at 3 AM during the Night between 15th Mar and 16th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Eltham, Greenwich, United Kingdom
5°C3/8°C
6°C5/8°C
4°C2/6°C
4°C2/6°C
5°C4/6°C
7°C4/10°C
10°C7/13°C
12°C9/14°C
10°C8/12°C
12°C10/16°C
12°C8/17°C
11°C9/12°C
11°C9/12°C
8°C6/10°C
9°C6/11°C
10°C8/14°C
10°C7/14°C
10°C6/15°C
12°C8/16°C
10°C8/12°C
8°C7/10°C
11°C7/16°C
11°C7/16°C
10°C8/13°C
10°C7/13°C
10°C6/12°C
8°C5/9°C
7°C3/11°C
7°C4/12°C
8°C5/12°C
43AQI
33AQI
51AQI
37AQI
2026 Days Vs Air Quality
Eltham, Greenwich, United Kingdom
83%
62
17%
13
Total number of days with different AQI categories in last 76 days in 2026 (289 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 76 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Eltham, Greenwich, United Kingdom
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
38AQI (US)
41AQI (US)
20AQI (US)
39AQI (US)
22AQI (US)
26AQI (US)
43AQI (US)
22AQI (US)
15AQI (US)
25AQI (US)
19AQI (US)
27AQI (US)
34AQI (US)
60AQI (US)
62AQI (US)
32AQI (US)
17AQI (US)
37AQI (US)
52AQI (US)
52AQI (US)
53AQI (US)
59AQI (US)
43AQI (US)
44AQI (US)
49AQI (US)
52AQI (US)
39AQI (US)
46AQI (US)
50AQI (US)
52AQI (US)
50AQI (US)
51AQI (US)
50AQI (US)
42AQI (US)
40AQI (US)
45AQI (US)
40AQI (US)
42AQI (US)
37AQI (US)
45AQI (US)
42AQI (US)
38AQI (US)
38AQI (US)
44AQI (US)
43AQI (US)
41AQI (US)
41AQI (US)
37AQI (US)
35AQI (US)
33AQI (US)
33AQI (US)
37AQI (US)
33AQI (US)
35AQI (US)
30AQI (US)
36AQI (US)
46AQI (US)
49AQI (US)
56AQI (US)
53AQI (US)
53AQI (US)
38AQI (US)
49AQI (US)
62AQI (US)
35AQI (US)
42AQI (US)
40AQI (US)
35AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
37AQI (US)
41AQI (US)
43AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
January37AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
March55AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
November44AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
September48AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
March66AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
October24AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
April53AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Eltham's annual 2026 AQI (US) (40) shows an average percentage change of 13.1% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (33), 2022 (34), 2023 (36), 2024 (34), 2025 (40).