Maardu, Harjumaa, Estonia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Maardu, Harjumaa, Estonia
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 72 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Maardu, Harjumaa, Estonia
4 AM3rd Jun 2026
10 PM
3 AM4th Jun 2026
98AQI
54AQI
71AQI
61AQI
In the last 24 hours,
Maardu's AQI reached its highest point of 98 at 1 PM during the Day, while the lowest point, 54, was recorded at 10 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Maardu, Harjumaa, Estonia
5°C2/7°C
6°C4/7°C
6°C4/9°C
7°C5/9°C
8°C5/11°C
8°C5/12°C
11°C9/16°C
10°C7/13°C
9°C6/13°C
10°C7/13°C
10°C7/14°C
9°C7/11°C
9°C6/11°C
12°C9/18°C
9°C7/11°C
10°C9/12°C
10°C8/11°C
12°C9/15°C
12°C11/12°C
10°C9/11°C
10°C8/12°C
9°C8/11°C
10°C9/12°C
10°C8/12°C
11°C9/13°C
10°C9/11°C
11°C8/13°C
12°C9/15°C
14°C10/17°C
16°C13/21°C
50AQI
40AQI
51AQI
47AQI
2026 Days Vs Air Quality
Maardu, Harjumaa, Estonia
84%
127
16%
24
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 155 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
Maardu, Harjumaa, Estonia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
12AQI (US)
22AQI (US)
32AQI (US)
23AQI (US)
38AQI (US)
42AQI (US)
37AQI (US)
10AQI (US)
11AQI (US)
14AQI (US)
25AQI (US)
32AQI (US)
42AQI (US)
49AQI (US)
64AQI (US)
56AQI (US)
58AQI (US)
66AQI (US)
58AQI (US)
41AQI (US)
19AQI (US)
47AQI (US)
46AQI (US)
49AQI (US)
40AQI (US)
9AQI (US)
14AQI (US)
34AQI (US)
42AQI (US)
34AQI (US)
26AQI (US)
30AQI (US)
36AQI (US)
25AQI (US)
44AQI (US)
44AQI (US)
41AQI (US)
14AQI (US)
38AQI (US)
22AQI (US)
46AQI (US)
44AQI (US)
52AQI (US)
32AQI (US)
34AQI (US)
15AQI (US)
30AQI (US)
12AQI (US)
52AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
20AQI (US)
28AQI (US)
25AQI (US)
19AQI (US)
50AQI (US)
28AQI (US)
30AQI (US)
40AQI (US)
38AQI (US)
33AQI (US)
35AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
44AQI (US)
56AQI (US)
71AQI (US)
68AQI (US)
18AQI (US)
44AQI (US)
40AQI (US)
19AQI (US)
26AQI (US)
12AQI (US)
30AQI (US)
14AQI (US)
20AQI (US)
15AQI (US)
42AQI (US)
32AQI (US)
59AQI (US)
23AQI (US)
23AQI (US)
15AQI (US)
19AQI (US)
30AQI (US)
36AQI (US)
34AQI (US)
14AQI (US)
26AQI (US)
30AQI (US)
30AQI (US)
24AQI (US)
23AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
32AQI (US)
36AQI (US)
21AQI (US)
38AQI (US)
20AQI (US)
21AQI (US)
16AQI (US)
18AQI (US)
22AQI (US)
13AQI (US)
16AQI (US)
18AQI (US)
13AQI (US)
16AQI (US)
22AQI (US)
16AQI (US)
16AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
12AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
13AQI (US)
18AQI (US)
16AQI (US)
51AQI (US)
70AQI (US)
61AQI (US)
39AQI (US)
46AQI (US)
35AQI (US)
34AQI (US)
39AQI (US)
52AQI (US)
50AQI (US)
36AQI (US)
50AQI (US)
44AQI (US)
54AQI (US)
56AQI (US)
68AQI (US)
54AQI (US)
72AQI (US)
74AQI (US)
71AQI (US)
82AQI (US)
72AQI (US)
35AQI (US)
32AQI (US)
33AQI (US)
23AQI (US)
39AQI (US)
75AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
June75AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202526AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
202427AQI (US)
Highest AQI (US) recorded in
September33AQI (US)
Lowest AQI (US) recorded in
April19AQI (US)
202325AQI (US)
Highest AQI (US) recorded in
June31AQI (US)
Lowest AQI (US) recorded in
October16AQI (US)
202227AQI (US)
Highest AQI (US) recorded in
March37AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
202129AQI (US)
Highest AQI (US) recorded in
February34AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202019AQI (US)
Highest AQI (US) recorded in
April28AQI (US)
Lowest AQI (US) recorded in
February0AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Maardu's annual 2026 AQI (US) (33) shows an average percentage change of 31.8% (worsened AQI (US)) compared to previous years: 2020 (19), 2021 (29), 2022 (27), 2023 (25), 2024 (27), 2025 (26).