Old Town, Cluj Napoca, Judetul Cluj, Romania Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Old Town, Cluj Napoca, Judetul Cluj, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (11th March):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 77 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Mar - 11th Mar 2026
Old Town, Cluj Napoca, Judetul Cluj, Romania
7 AM10th Mar 2026
6 PM
6 AM11th Mar 2026
115AQI
24AQI
120AQI
16AQI
In the last 24 hours,
Old Town's AQI reached its highest point of 120 at 12 AM during the Night, while the lowest point, 16, was recorded at 7 PM during the Night between 10th Mar and 11th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Old Town, Cluj Napoca, Judetul Cluj, Romania
0°C-2/4°C
2°C-1/8°C
5°C2/10°C
6°C2/10°C
6°C3/11°C
4°C0/7°C
-1°C-3/2°C
1°C-1/4°C
1°C-2/4°C
1°C-2/6°C
4°C0/9°C
0°C-1/1°C
2°C1/4°C
3°C2/4°C
4°C1/6°C
2°C0/5°C
1°C-2/5°C
2°C-2/7°C
4°C0/10°C
5°C1/11°C
6°C2/12°C
6°C2/12°C
7°C2/13°C
7°C3/12°C
6°C2/12°C
7°C2/13°C
7°C3/13°C
7°C2/13°C
7°C1/14°C
8°C2/14°C
97AQI
71AQI
107AQI
84AQI
2026 Days Vs Air Quality
Old Town, Cluj Napoca, Judetul Cluj, Romania
4%
3
41%
29
49%
34
6%
4
Total number of days with different AQI categories in last 71 days in 2026 (294 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2026, 4% of 71 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
Old Town, Cluj Napoca, Judetul Cluj, Romania
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
79AQI (US)
97AQI (US)
72AQI (US)
101AQI (US)
110AQI (US)
120AQI (US)
88AQI (US)
91AQI (US)
94AQI (US)
120AQI (US)
73AQI (US)
133AQI (US)
112AQI (US)
134AQI (US)
148AQI (US)
121AQI (US)
87AQI (US)
140AQI (US)
143AQI (US)
156AQI (US)
162AQI (US)
176AQI (US)
137AQI (US)
159AQI (US)
129AQI (US)
79AQI (US)
119AQI (US)
103AQI (US)
140AQI (US)
148AQI (US)
110AQI (US)
100AQI (US)
106AQI (US)
99AQI (US)
127AQI (US)
73AQI (US)
56AQI (US)
77AQI (US)
102AQI (US)
98AQI (US)
77AQI (US)
82AQI (US)
88AQI (US)
105AQI (US)
71AQI (US)
99AQI (US)
101AQI (US)
112AQI (US)
94AQI (US)
88AQI (US)
76AQI (US)
38AQI (US)
111AQI (US)
112AQI (US)
80AQI (US)
38AQI (US)
48AQI (US)
106AQI (US)
126AQI (US)
123AQI (US)
125AQI (US)
121AQI (US)
104AQI (US)
104AQI (US)
60AQI (US)
91AQI (US)
109AQI (US)
91AQI (US)
89AQI (US)
77AQI (US)
119AQI (US)
89AQI (US)
99AQI (US)
No. of days
2026104AQI (US)
Highest AQI (US) recorded in
January119AQI (US)
Lowest AQI (US) recorded in
February89AQI (US)
202559AQI (US)
Highest AQI (US) recorded in
December93AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Old Town's annual 2026 AQI (US) (104) shows an average percentage change of 76.9% (worsened AQI (US)) compared to previous years: 2025 (59).