Oradea, Bihor, Romania Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Oradea, Bihor, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (25th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 33 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 25th Sep - 26th Sep 2026
Oradea, Bihor, Romania
7 AM25th Sep 2026
7 PM
6 AM26th Sep 2026
45AQI
26AQI
42AQI
27AQI
In the last 24 hours,
Oradea's AQI reached its highest point of 45 at 2 PM during the Day, while the lowest point, 26, was recorded at 7 AM during the Day between 25th Sep and 26th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Oradea, Bihor, Romania
24°C15/33°C
25°C20/33°C
25°C18/32°C
28°C22/35°C
24°C19/30°C
22°C17/28°C
23°C18/29°C
24°C18/29°C
24°C18/31°C
19°C13/26°C
20°C13/27°C
23°C17/30°C
25°C18/33°C
23°C19/28°C
22°C17/30°C
14°C11/19°C
15°C11/19°C
17°C12/23°C
19°C14/25°C
21°C16/26°C
22°C17/29°C
19°C16/22°C
20°C16/26°C
21°C16/27°C
17°C11/21°C
12°C8/16°C
13°C10/17°C
14°C9/20°C
14°C10/18°C
16°C12/21°C
35AQI
30AQI
34AQI
28AQI
2026 Days Vs Air Quality
Oradea, Bihor, Romania
71%
187
27%
72
2%
6
Total number of days with different AQI categories in last 269 days in 2026 (96 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2026, 71% of 269 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Oradea, Bihor, Romania
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
54AQI (US)
54AQI (US)
57AQI (US)
75AQI (US)
82AQI (US)
74AQI (US)
69AQI (US)
70AQI (US)
78AQI (US)
97AQI (US)
65AQI (US)
67AQI (US)
78AQI (US)
98AQI (US)
122AQI (US)
108AQI (US)
97AQI (US)
82AQI (US)
89AQI (US)
119AQI (US)
104AQI (US)
110AQI (US)
99AQI (US)
95AQI (US)
70AQI (US)
68AQI (US)
64AQI (US)
45AQI (US)
37AQI (US)
45AQI (US)
46AQI (US)
64AQI (US)
62AQI (US)
75AQI (US)
56AQI (US)
51AQI (US)
64AQI (US)
71AQI (US)
67AQI (US)
63AQI (US)
51AQI (US)
64AQI (US)
61AQI (US)
57AQI (US)
61AQI (US)
54AQI (US)
52AQI (US)
70AQI (US)
59AQI (US)
49AQI (US)
41AQI (US)
44AQI (US)
68AQI (US)
48AQI (US)
32AQI (US)
44AQI (US)
28AQI (US)
47AQI (US)
81AQI (US)
85AQI (US)
123AQI (US)
88AQI (US)
95AQI (US)
77AQI (US)
54AQI (US)
70AQI (US)
79AQI (US)
64AQI (US)
62AQI (US)
60AQI (US)
60AQI (US)
71AQI (US)
65AQI (US)
61AQI (US)
62AQI (US)
59AQI (US)
58AQI (US)
33AQI (US)
29AQI (US)
52AQI (US)
45AQI (US)
40AQI (US)
52AQI (US)
63AQI (US)
54AQI (US)
38AQI (US)
37AQI (US)
60AQI (US)
57AQI (US)
44AQI (US)
47AQI (US)
45AQI (US)
40AQI (US)
34AQI (US)
33AQI (US)
28AQI (US)
21AQI (US)
17AQI (US)
20AQI (US)
33AQI (US)
50AQI (US)
51AQI (US)
39AQI (US)
28AQI (US)
55AQI (US)
54AQI (US)
29AQI (US)
29AQI (US)
29AQI (US)
15AQI (US)
32AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
35AQI (US)
39AQI (US)
21AQI (US)
19AQI (US)
27AQI (US)
21AQI (US)
23AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
23AQI (US)
25AQI (US)
30AQI (US)
29AQI (US)
18AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
40AQI (US)
50AQI (US)
35AQI (US)
34AQI (US)
41AQI (US)
56AQI (US)
55AQI (US)
38AQI (US)
42AQI (US)
44AQI (US)
38AQI (US)
26AQI (US)
27AQI (US)
19AQI (US)
23AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
24AQI (US)
18AQI (US)
18AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
23AQI (US)
19AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
31AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
38AQI (US)
28AQI (US)
29AQI (US)
38AQI (US)
55AQI (US)
33AQI (US)
24AQI (US)
23AQI (US)
20AQI (US)
18AQI (US)
16AQI (US)
19AQI (US)
18AQI (US)
22AQI (US)
17AQI (US)
22AQI (US)
16AQI (US)
16AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
34AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
32AQI (US)
32AQI (US)
47AQI (US)
38AQI (US)
37AQI (US)
36AQI (US)
39AQI (US)
37AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
32AQI (US)
42AQI (US)
28AQI (US)
31AQI (US)
37AQI (US)
46AQI (US)
42AQI (US)
37AQI (US)
29AQI (US)
33AQI (US)
51AQI (US)
42AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
42AQI (US)
33AQI (US)
32AQI (US)
32AQI (US)
35AQI (US)
38AQI (US)
35AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
41AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
38AQI (US)
39AQI (US)
30AQI (US)
25AQI (US)
30AQI (US)
29AQI (US)
33AQI (US)
78AQI (US)
57AQI (US)
61AQI (US)
33AQI (US)
32AQI (US)
26AQI (US)
26AQI (US)
36AQI (US)
32AQI (US)
No. of days
202643AQI (US)
Highest AQI (US) recorded in
January78AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202552AQI (US)
Highest AQI (US) recorded in
December89AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202444AQI (US)
Highest AQI (US) recorded in
November78AQI (US)
Lowest AQI (US) recorded in
March29AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
February62AQI (US)
Lowest AQI (US) recorded in
October13AQI (US)
202224AQI (US)
Highest AQI (US) recorded in
November60AQI (US)
Lowest AQI (US) recorded in
August5AQI (US)
202121AQI (US)
Highest AQI (US) recorded in
February29AQI (US)
Lowest AQI (US) recorded in
May13AQI (US)
202021AQI (US)
Highest AQI (US) recorded in
March38AQI (US)
Lowest AQI (US) recorded in
June14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Oradea's annual 2026 AQI (US) (43) shows an average percentage change of 48.6% (worsened AQI (US)) compared to previous years: 2020 (21), 2021 (21), 2022 (24), 2023 (35), 2024 (44), 2025 (52).