Strada Eugen Ionesco, 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 Eugen Ionesco, Cluj Napoca, Cluj, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Strada Eugen Ionesco, Cluj Napoca, Cluj, Romania
7 AM3rd Oct 2025
7 PM
6 AM4th Oct 2025
AQI
AQI
60AQI
45AQI
In the last 24 hours,
Strada Eugen Ionesco's AQI reached its highest point of 60 at 12 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Strada Eugen Ionesco, Cluj Napoca, Cluj, Romania
23°C16/29°C
22°C16/30°C
22°C15/29°C
21°C15/29°C
19°C13/27°C
16°C13/20°C
19°C12/26°C
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
--°C/°C
--°C/°C
33AQI
30AQI
35AQI
31AQI
2025 Days Vs Air Quality
Strada Eugen Ionesco, Cluj Napoca, Cluj, Romania
68%
188
32%
87
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 276 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Strada Eugen Ionesco, Cluj Napoca, Cluj, Romania
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI
71AQI
64AQI
60AQI
60AQI
59AQI
59AQI
60AQI
59AQI
58AQI
57AQI
57AQI
55AQI
57AQI
60AQI
62AQI
64AQI
66AQI
66AQI
65AQI
67AQI
67AQI
65AQI
64AQI
64AQI
63AQI
63AQI
62AQI
62AQI
62AQI
65AQI
64AQI
65AQI
63AQI
63AQI
63AQI
61AQI
61AQI
60AQI
61AQI
62AQI
61AQI
61AQI
61AQI
62AQI
62AQI
63AQI
63AQI
64AQI
63AQI
63AQI
62AQI
62AQI
61AQI
63AQI
63AQI
62AQI
60AQI
62AQI
62AQI
61AQI
61AQI
61AQI
61AQI
60AQI
60AQI
61AQI
60AQI
61AQI
61AQI
59AQI
57AQI
56AQI
55AQI
53AQI
51AQI
48AQI
49AQI
50AQI
50AQI
52AQI
54AQI
54AQI
54AQI
53AQI
53AQI
52AQI
52AQI
50AQI
49AQI
49AQI
49AQI
49AQI
48AQI
48AQI
46AQI
44AQI
43AQI
41AQI
39AQI
40AQI
38AQI
38AQI
37AQI
36AQI
36AQI
37AQI
36AQI
34AQI
34AQI
31AQI
30AQI
30AQI
29AQI
28AQI
28AQI
28AQI
29AQI
30AQI
29AQI
26AQI
24AQI
27AQI
27AQI
29AQI
29AQI
30AQI
28AQI
30AQI
27AQI
24AQI
34AQI
26AQI
26AQI
29AQI
26AQI
24AQI
28AQI
22AQI
25AQI
26AQI
31AQI
35AQI
25AQI
23AQI
21AQI
24AQI
19AQI
24AQI
25AQI
24AQI
26AQI
28AQI
29AQI
26AQI
29AQI
37AQI
41AQI
44AQI
34AQI
39AQI
51AQI
41AQI
33AQI
30AQI
32AQI
30AQI
36AQI
35AQI
37AQI
36AQI
30AQI
26AQI
28AQI
29AQI
31AQI
29AQI
29AQI
28AQI
26AQI
25AQI
26AQI
23AQI
23AQI
23AQI
28AQI
27AQI
31AQI
33AQI
32AQI
26AQI
23AQI
24AQI
25AQI
28AQI
30AQI
29AQI
30AQI
26AQI
25AQI
23AQI
29AQI
33AQI
30AQI
25AQI
25AQI
28AQI
28AQI
27AQI
22AQI
21AQI
25AQI
25AQI
27AQI
28AQI
27AQI
28AQI
28AQI
27AQI
24AQI
26AQI
26AQI
29AQI
31AQI
32AQI
33AQI
32AQI
33AQI
34AQI
33AQI
34AQI
34AQI
34AQI
36AQI
34AQI
31AQI
29AQI
28AQI
30AQI
31AQI
29AQI
30AQI
31AQI
32AQI
32AQI
33AQI
27AQI
34AQI
33AQI
32AQI
34AQI
34AQI
36AQI
35AQI
34AQI
33AQI
33AQI
29AQI
26AQI
24AQI
19AQI
21AQI
29AQI
34AQI
30AQI
27AQI
28AQI
23AQI
22AQI
16AQI
26AQI
45AQI
44AQI
52AQI
62AQI
62AQI
62AQI
55AQI
37AQI
26AQI
33AQI
27AQI
30AQI
30AQI
57AQI
No. of days
202540AQI
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
May26AQI
202431AQI
Highest AQI recorded in
November71AQI
Lowest AQI recorded in
May7AQI
202326AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
May14AQI
202257AQI
Highest AQI recorded in
December63AQI
Lowest AQI recorded in
November49AQI
Most & Least Polluted Years Over the Last 4 Years
Strada Eugen Ionesco's annual 2025 AQI (40) shows an average percentage change of 19.7% (worsened AQI) compared to previous years: 2022 (57), 2023 (26), 2024 (31).