Strada Trifoiului, Cluj Napoca, Cluj, Romania Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Strada Trifoiului, Cluj Napoca, Cluj, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 70 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Strada Trifoiului, Cluj Napoca, Cluj, Romania
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
64AQI
47AQI
63AQI
46AQI
In the last 24 hours,
Strada Trifoiului's AQI reached its highest point of 64 at 7 AM during the Day, while the lowest point, 46, was recorded at 6 AM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Strada Trifoiului, Cluj Napoca, Cluj, Romania
18°C15/21°C
18°C15/23°C
19°C15/25°C
17°C13/24°C
16°C12/22°C
17°C11/24°C
14°C10/19°C
13°C8/18°C
15°C9/21°C
17°C11/25°C
19°C13/27°C
19°C12/27°C
18°C12/26°C
19°C13/26°C
15°C11/20°C
11°C9/13°C
11°C7/15°C
10°C5/17°C
10°C6/14°C
9°C5/13°C
8°C5/12°C
8°C6/10°C
7°C6/10°C
7°C6/9°C
6°C5/7°C
9°C7/11°C
9°C8/11°C
10°C8/12°C
10°C6/14°C
11°C8/15°C
--°C/°C
41AQI
37AQI
43AQI
41AQI
2025 Days Vs Air Quality
Strada Trifoiului, Cluj Napoca, Cluj, Romania
64%
181
36%
102
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 64%
Health Risk Level:
Moderate
In 2025, 64% of 284 days were within WHO’s safe air quality limits, and 36% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Strada Trifoiului, Cluj Napoca, Cluj, Romania
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI
65AQI
61AQI
60AQI
59AQI
57AQI
57AQI
58AQI
57AQI
56AQI
54AQI
52AQI
52AQI
54AQI
55AQI
57AQI
57AQI
58AQI
58AQI
59AQI
61AQI
60AQI
61AQI
60AQI
60AQI
60AQI
59AQI
59AQI
58AQI
59AQI
58AQI
59AQI
60AQI
59AQI
60AQI
60AQI
60AQI
60AQI
60AQI
61AQI
61AQI
60AQI
61AQI
61AQI
62AQI
62AQI
62AQI
63AQI
64AQI
63AQI
62AQI
61AQI
61AQI
61AQI
60AQI
60AQI
60AQI
59AQI
60AQI
61AQI
60AQI
60AQI
58AQI
58AQI
58AQI
57AQI
57AQI
57AQI
58AQI
58AQI
57AQI
56AQI
55AQI
54AQI
52AQI
50AQI
48AQI
48AQI
48AQI
49AQI
51AQI
52AQI
53AQI
53AQI
52AQI
52AQI
52AQI
52AQI
51AQI
52AQI
51AQI
50AQI
50AQI
49AQI
48AQI
45AQI
44AQI
43AQI
42AQI
41AQI
41AQI
40AQI
39AQI
37AQI
36AQI
36AQI
36AQI
36AQI
33AQI
35AQI
30AQI
29AQI
29AQI
28AQI
28AQI
29AQI
28AQI
28AQI
29AQI
29AQI
28AQI
32AQI
40AQI
44AQI
44AQI
45AQI
47AQI
43AQI
46AQI
39AQI
31AQI
42AQI
39AQI
38AQI
40AQI
30AQI
30AQI
26AQI
27AQI
34AQI
35AQI
43AQI
43AQI
30AQI
33AQI
25AQI
38AQI
29AQI
35AQI
30AQI
33AQI
32AQI
37AQI
41AQI
40AQI
49AQI
57AQI
58AQI
58AQI
52AQI
52AQI
60AQI
48AQI
42AQI
38AQI
40AQI
40AQI
47AQI
47AQI
51AQI
48AQI
36AQI
35AQI
37AQI
39AQI
38AQI
35AQI
37AQI
36AQI
33AQI
33AQI
30AQI
26AQI
27AQI
28AQI
34AQI
31AQI
39AQI
43AQI
38AQI
28AQI
27AQI
28AQI
29AQI
37AQI
43AQI
44AQI
39AQI
29AQI
26AQI
26AQI
39AQI
39AQI
27AQI
23AQI
33AQI
36AQI
35AQI
29AQI
24AQI
25AQI
27AQI
24AQI
27AQI
28AQI
27AQI
27AQI
27AQI
27AQI
29AQI
29AQI
30AQI
33AQI
32AQI
32AQI
33AQI
32AQI
34AQI
34AQI
33AQI
33AQI
34AQI
34AQI
34AQI
32AQI
31AQI
29AQI
28AQI
30AQI
31AQI
29AQI
30AQI
30AQI
31AQI
32AQI
33AQI
43AQI
33AQI
32AQI
33AQI
34AQI
34AQI
36AQI
35AQI
33AQI
33AQI
33AQI
30AQI
26AQI
23AQI
19AQI
21AQI
37AQI
43AQI
35AQI
30AQI
32AQI
29AQI
30AQI
33AQI
42AQI
45AQI
44AQI
49AQI
56AQI
54AQI
55AQI
60AQI
76AQI
57AQI
56AQI
61AQI
70AQI
58AQI
61AQI
54AQI
37AQI
36AQI
43AQI
32AQI
30AQI
33AQI
59AQI
No. of days
202543AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
August30AQI
202456AQI
Highest AQI recorded in
January76AQI
Lowest AQI recorded in
May38AQI
202358AQI
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
June45AQI
202292AQI
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
November79AQI
Most & Least Polluted Years Over the Last 4 Years
Strada Trifoiului's annual 2025 AQI (43) shows an average percentage change of -34.01% (improved AQI) compared to previous years: 2022 (92), 2023 (58), 2024 (56).