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 (26th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 26th Sep - 27th Sep 2026
Oradea, Bihor, Romania
7 AM26th Sep 2026
7 PM
6 AM27th Sep 2026
37AQI
21AQI
60AQI
33AQI
In the last 24 hours,
Oradea's AQI reached its highest point of 60 at 5 AM during the Night, while the lowest point, 21, was recorded at 11 AM during the Day between 26th Sep and 27th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Oradea, Bihor, Romania
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
17°C13/23°C
35AQI
30AQI
34AQI
28AQI
2026 Days Vs Air Quality
Oradea, Bihor, Romania
71%
188
27%
72
2%
6
Total number of days with different AQI categories in last 270 days in 2026 (95 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2026, 71% of 270 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)
32AQI (US)
78AQI (US)
57AQI (US)
61AQI (US)
33AQI (US)
32AQI (US)
26AQI (US)
26AQI (US)
36AQI (US)
32AQI (US)
No. of days
202642AQI (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) (42) shows an average percentage change of 45.2% (worsened AQI (US)) compared to previous years: 2020 (21), 2021 (21), 2022 (24), 2023 (35), 2024 (44), 2025 (52).