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!
July Air Quality Analysis
DC154, Cluj Napoca, Cluj, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
DC154, Cluj Napoca, Cluj, Romania
5 AM2nd Jul 2025
9 PM
4 AM3rd Jul 2025
34AQI
16AQI
22AQI
20AQI
In the last 24 hours,
DC154's AQI reached its highest point of 34 at 8 AM during the Day, while the lowest point, 16, was recorded at 7 PM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
DC154, Cluj Napoca, Cluj, Romania
20°C14/28°C
20°C14/27°C
21°C15/29°C
21°C15/30°C
22°C14/29°C
23°C16/30°C
18°C12/22°C
16°C9/22°C
17°C11/24°C
15°C10/21°C
15°C10/20°C
15°C8/21°C
16°C9/22°C
19°C11/26°C
20°C14/26°C
19°C13/25°C
21°C14/27°C
17°C10/20°C
15°C8/21°C
17°C9/24°C
21°C13/28°C
21°C15/27°C
23°C15/31°C
24°C19/30°C
23°C17/30°C
19°C15/24°C
20°C12/27°C
21°C14/26°C
19°C11/26°C
19°C10/28°C
0°C0/0°C
42AQI
36AQI
43AQI
39AQI
2025 Days Vs Air Quality
DC154, Cluj Napoca, Cluj, Romania
53%
97
47%
86
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 53%
Health Risk Level:
Considerable
In 2025, 53% of 184 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
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
24AQI
58AQI
59AQI
52AQI
36AQI
33AQI
40AQI
25AQI
No. of days
202546AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
July25AQI
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 (46) shows an average percentage change of -26.8% (improved AQI) compared to previous years: 2022 (90), 2023 (59), 2024 (51).