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!
June Air Quality Analysis
DC154, Cluj Napoca, Cluj, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 107 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
DC154, Cluj Napoca, Cluj, Romania
5 AM3rd Jun 2026
9 PM
4 AM4th Jun 2026
104AQI
36AQI
106AQI
76AQI
In the last 24 hours,
DC154's AQI reached its highest point of 106 at 12 AM during the Night, while the lowest point, 36, was recorded at 5 AM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
DC154, Cluj Napoca, Cluj, Romania
17°C10/24°C
15°C11/22°C
14°C10/19°C
13°C9/18°C
14°C8/20°C
14°C8/22°C
13°C7/19°C
8°C5/11°C
9°C2/16°C
12°C5/19°C
14°C9/21°C
14°C9/20°C
13°C10/15°C
14°C11/18°C
14°C9/20°C
14°C10/18°C
15°C12/20°C
16°C10/23°C
17°C12/23°C
18°C12/23°C
18°C11/24°C
19°C12/26°C
14°C9/18°C
12°C6/17°C
15°C9/20°C
15°C10/20°C
15°C12/19°C
15°C12/18°C
16°C10/23°C
17°C13/23°C
59AQI
48AQI
65AQI
58AQI
2026 Days Vs Air Quality
DC154, Cluj Napoca, Cluj, Romania
9%
13
55%
84
34%
52
2%
3
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2026, 9% of 155 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
DC154, Cluj Napoca, Cluj, Romania
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI (US)
72AQI (US)
53AQI (US)
90AQI (US)
88AQI (US)
93AQI (US)
71AQI (US)
76AQI (US)
79AQI (US)
99AQI (US)
66AQI (US)
108AQI (US)
98AQI (US)
113AQI (US)
141AQI (US)
101AQI (US)
71AQI (US)
133AQI (US)
134AQI (US)
150AQI (US)
153AQI (US)
155AQI (US)
149AQI (US)
149AQI (US)
134AQI (US)
75AQI (US)
109AQI (US)
96AQI (US)
141AQI (US)
151AQI (US)
124AQI (US)
94AQI (US)
95AQI (US)
85AQI (US)
103AQI (US)
68AQI (US)
57AQI (US)
86AQI (US)
118AQI (US)
110AQI (US)
76AQI (US)
79AQI (US)
103AQI (US)
109AQI (US)
69AQI (US)
94AQI (US)
73AQI (US)
82AQI (US)
90AQI (US)
95AQI (US)
92AQI (US)
82AQI (US)
122AQI (US)
121AQI (US)
102AQI (US)
65AQI (US)
81AQI (US)
121AQI (US)
134AQI (US)
130AQI (US)
143AQI (US)
140AQI (US)
143AQI (US)
140AQI (US)
79AQI (US)
102AQI (US)
124AQI (US)
105AQI (US)
94AQI (US)
102AQI (US)
116AQI (US)
134AQI (US)
130AQI (US)
111AQI (US)
122AQI (US)
139AQI (US)
148AQI (US)
124AQI (US)
84AQI (US)
84AQI (US)
66AQI (US)
61AQI (US)
98AQI (US)
113AQI (US)
108AQI (US)
113AQI (US)
84AQI (US)
94AQI (US)
112AQI (US)
110AQI (US)
119AQI (US)
123AQI (US)
147AQI (US)
114AQI (US)
97AQI (US)
94AQI (US)
57AQI (US)
78AQI (US)
87AQI (US)
106AQI (US)
99AQI (US)
88AQI (US)
105AQI (US)
84AQI (US)
98AQI (US)
81AQI (US)
88AQI (US)
82AQI (US)
98AQI (US)
85AQI (US)
35AQI (US)
47AQI (US)
66AQI (US)
64AQI (US)
57AQI (US)
79AQI (US)
86AQI (US)
72AQI (US)
86AQI (US)
83AQI (US)
76AQI (US)
40AQI (US)
62AQI (US)
49AQI (US)
69AQI (US)
56AQI (US)
53AQI (US)
56AQI (US)
52AQI (US)
77AQI (US)
67AQI (US)
41AQI (US)
42AQI (US)
51AQI (US)
37AQI (US)
34AQI (US)
43AQI (US)
58AQI (US)
58AQI (US)
39AQI (US)
41AQI (US)
43AQI (US)
50AQI (US)
60AQI (US)
63AQI (US)
60AQI (US)
62AQI (US)
78AQI (US)
67AQI (US)
57AQI (US)
78AQI (US)
107AQI (US)
108AQI (US)
93AQI (US)
111AQI (US)
87AQI (US)
56AQI (US)
77AQI (US)
No. of days
202691AQI (US)
Highest AQI (US) recorded in
March111AQI (US)
Lowest AQI (US) recorded in
May56AQI (US)
202547AQI (US)
Highest AQI (US) recorded in
December70AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202451AQI (US)
Highest AQI (US) recorded in
January81AQI (US)
Lowest AQI (US) recorded in
April17AQI (US)
202359AQI (US)
Highest AQI (US) recorded in
July101AQI (US)
Lowest AQI (US) recorded in
November38AQI (US)
202290AQI (US)
Highest AQI (US) recorded in
October110AQI (US)
Lowest AQI (US) recorded in
November86AQI (US)
Most & Least Polluted Years Over the Last 5 Years
DC154's annual 2026 AQI (US) (91) shows an average percentage change of 56.8% (worsened AQI (US)) compared to previous years: 2022 (90), 2023 (59), 2024 (51), 2025 (47).