Strada Frunzisului, 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 Frunzisului, 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 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Strada Frunzisului, Cluj Napoca, Cluj, Romania
7 AM2nd Oct 2025
7 PM
6 AM3rd Oct 2025
56AQI
46AQI
67AQI
52AQI
In the last 24 hours,
Strada Frunzisului's AQI reached its highest point of 67 at 11 PM during the Night, while the lowest point, 46, was recorded at 10 AM during the Day between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Strada Frunzisului, Cluj Napoca, Cluj, Romania
23°C16/31°C
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
33AQI
28AQI
33AQI
29AQI
2025 Days Vs Air Quality
Strada Frunzisului, Cluj Napoca, Cluj, Romania
68%
186
32%
89
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 Frunzisului, Cluj Napoca, Cluj, Romania
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
63AQI
64AQI
61AQI
60AQI
60AQI
57AQI
57AQI
61AQI
57AQI
56AQI
54AQI
52AQI
51AQI
53AQI
55AQI
56AQI
57AQI
58AQI
58AQI
59AQI
59AQI
60AQI
60AQI
60AQI
59AQI
58AQI
59AQI
58AQI
58AQI
58AQI
59AQI
59AQI
59AQI
59AQI
60AQI
60AQI
59AQI
60AQI
60AQI
60AQI
60AQI
61AQI
60AQI
61AQI
62AQI
62AQI
61AQI
61AQI
62AQI
62AQI
61AQI
61AQI
62AQI
61AQI
63AQI
62AQI
62AQI
60AQI
60AQI
60AQI
60AQI
59AQI
57AQI
57AQI
57AQI
57AQI
58AQI
58AQI
58AQI
59AQI
57AQI
56AQI
55AQI
54AQI
51AQI
50AQI
48AQI
47AQI
48AQI
52AQI
54AQI
55AQI
56AQI
55AQI
54AQI
54AQI
52AQI
52AQI
51AQI
50AQI
49AQI
49AQI
49AQI
47AQI
46AQI
44AQI
41AQI
41AQI
40AQI
39AQI
40AQI
40AQI
40AQI
36AQI
36AQI
36AQI
36AQI
36AQI
34AQI
33AQI
30AQI
30AQI
29AQI
29AQI
28AQI
29AQI
28AQI
29AQI
29AQI
29AQI
28AQI
29AQI
31AQI
36AQI
41AQI
41AQI
34AQI
41AQI
42AQI
42AQI
43AQI
39AQI
36AQI
34AQI
36AQI
38AQI
38AQI
34AQI
33AQI
34AQI
34AQI
39AQI
40AQI
30AQI
29AQI
26AQI
30AQI
29AQI
32AQI
32AQI
30AQI
31AQI
33AQI
33AQI
32AQI
39AQI
42AQI
43AQI
45AQI
41AQI
48AQI
52AQI
44AQI
41AQI
36AQI
36AQI
36AQI
38AQI
38AQI
41AQI
37AQI
30AQI
28AQI
30AQI
32AQI
31AQI
29AQI
30AQI
29AQI
27AQI
27AQI
25AQI
23AQI
24AQI
25AQI
29AQI
28AQI
33AQI
34AQI
31AQI
28AQI
28AQI
28AQI
28AQI
30AQI
28AQI
27AQI
24AQI
16AQI
18AQI
19AQI
25AQI
25AQI
18AQI
16AQI
22AQI
23AQI
25AQI
19AQI
18AQI
19AQI
24AQI
25AQI
27AQI
29AQI
28AQI
28AQI
28AQI
25AQI
21AQI
20AQI
22AQI
28AQI
31AQI
32AQI
33AQI
31AQI
34AQI
35AQI
32AQI
32AQI
34AQI
34AQI
34AQI
32AQI
31AQI
28AQI
28AQI
29AQI
30AQI
29AQI
29AQI
30AQI
31AQI
32AQI
32AQI
32AQI
33AQI
32AQI
32AQI
33AQI
34AQI
35AQI
35AQI
33AQI
33AQI
33AQI
28AQI
26AQI
21AQI
18AQI
19AQI
29AQI
25AQI
20AQI
21AQI
23AQI
19AQI
11AQI
12AQI
26AQI
53AQI
46AQI
53AQI
59AQI
58AQI
61AQI
55AQI
37AQI
35AQI
36AQI
25AQI
29AQI
29AQI
56AQI
No. of days
202540AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
July25AQI
202438AQI
Highest AQI recorded in
October77AQI
Lowest AQI recorded in
June22AQI
202367AQI
Highest AQI recorded in
February87AQI
Lowest AQI recorded in
November40AQI
2022113AQI
Highest AQI recorded in
December135AQI
Lowest AQI recorded in
October94AQI
Most & Least Polluted Years Over the Last 4 Years
Strada Frunzisului's annual 2025 AQI (40) shows an average percentage change of -32.9% (improved AQI) compared to previous years: 2022 (113), 2023 (67), 2024 (38).