DC154, 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!
August Air Quality Analysis
DC154, Cluj Napoca, Cluj, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
DC154, Cluj Napoca, Cluj, Romania
5 AM3rd Aug 2025
9 PM
4 AM4th Aug 2025
34AQI
29AQI
34AQI
28AQI
In the last 24 hours,
DC154's AQI reached its highest point of 34 at 5 PM during the Day, while the lowest point, 28, was recorded at 9 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
DC154, Cluj Napoca, Cluj, Romania
22°C14/31°C
24°C13/33°C
25°C18/35°C
23°C14/34°C
16°C13/21°C
14°C12/16°C
16°C12/21°C
17°C10/24°C
20°C12/27°C
22°C16/28°C
21°C16/29°C
20°C15/26°C
17°C12/24°C
15°C11/20°C
18°C11/24°C
21°C14/28°C
23°C16/31°C
24°C18/30°C
23°C15/29°C
24°C17/32°C
26°C18/34°C
25°C19/37°C
20°C17/27°C
20°C14/27°C
19°C14/24°C
17°C14/23°C
19°C13/25°C
19°C12/26°C
20°C13/28°C
20°C15/28°C
--°C/°C
31AQI
28AQI
33AQI
27AQI
2025 Days Vs Air Quality
DC154, Cluj Napoca, Cluj, Romania
60%
129
40%
86
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 216 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
DC154, Cluj Napoca, Cluj, Romania
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI
67AQI
61AQI
58AQI
58AQI
57AQI
57AQI
59AQI
57AQI
56AQI
54AQI
51AQI
49AQI
51AQI
56AQI
56AQI
57AQI
59AQI
58AQI
58AQI
61AQI
60AQI
62AQI
61AQI
61AQI
59AQI
60AQI
59AQI
59AQI
58AQI
60AQI
61AQI
60AQI
59AQI
59AQI
59AQI
58AQI
57AQI
58AQI
57AQI
57AQI
58AQI
59AQI
60AQI
60AQI
58AQI
57AQI
57AQI
57AQI
57AQI
56AQI
57AQI
58AQI
57AQI
59AQI
60AQI
61AQI
61AQI
61AQI
60AQI
60AQI
58AQI
57AQI
58AQI
58AQI
57AQI
57AQI
59AQI
62AQI
60AQI
57AQI
54AQI
52AQI
51AQI
48AQI
46AQI
41AQI
41AQI
41AQI
44AQI
49AQI
50AQI
51AQI
52AQI
51AQI
51AQI
52AQI
51AQI
50AQI
49AQI
48AQI
48AQI
46AQI
47AQI
46AQI
44AQI
42AQI
41AQI
39AQI
40AQI
39AQI
39AQI
39AQI
37AQI
36AQI
36AQI
37AQI
36AQI
33AQI
33AQI
30AQI
31AQI
30AQI
28AQI
28AQI
28AQI
27AQI
28AQI
28AQI
28AQI
31AQI
37AQI
41AQI
47AQI
46AQI
38AQI
40AQI
37AQI
40AQI
36AQI
28AQI
39AQI
39AQI
35AQI
34AQI
32AQI
26AQI
29AQI
28AQI
35AQI
36AQI
42AQI
44AQI
36AQI
24AQI
23AQI
20AQI
18AQI
24AQI
22AQI
27AQI
33AQI
27AQI
26AQI
26AQI
39AQI
56AQI
57AQI
57AQI
45AQI
51AQI
61AQI
42AQI
36AQI
35AQI
40AQI
40AQI
51AQI
46AQI
55AQI
43AQI
30AQI
23AQI
38AQI
41AQI
35AQI
34AQI
37AQI
38AQI
32AQI
35AQI
26AQI
23AQI
21AQI
28AQI
37AQI
28AQI
46AQI
49AQI
36AQI
26AQI
31AQI
33AQI
39AQI
47AQI
48AQI
43AQI
31AQI
26AQI
23AQI
23AQI
27AQI
30AQI
27AQI
23AQI
26AQI
29AQI
28AQI
25AQI
22AQI
23AQI
27AQI
27AQI
29AQI
31AQI
58AQI
59AQI
52AQI
36AQI
33AQI
40AQI
31AQI
29AQI
No. of days
202544AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
August29AQI
202451AQI
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
April17AQI
202359AQI
Highest AQI recorded in
July101AQI
Lowest AQI recorded in
November38AQI
202290AQI
Highest AQI recorded in
October110AQI
Lowest AQI recorded in
November86AQI
Most & Least Polluted Years Over the Last 4 Years
DC154's annual 2025 AQI (44) shows an average percentage change of -30.4% (improved AQI) compared to previous years: 2022 (90), 2023 (59), 2024 (51).