Str Streams, Bacau, Bacu, 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
Str Streams, Bacau, Bacu, Romania
AQI Trends: Highest and Lowest
Same Day Analysis (30th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 29th Sep - 30th Sep 2026
Str Streams, Bacau, Bacu, Romania
6 AM29th Sep 2026
7 PM
5 AM30th Sep 2026
52AQI
33AQI
50AQI
32AQI
In the last 24 hours,
Str Streams's AQI reached its highest point of 52 at 11 AM during the Day, while the lowest point, 32, was recorded at 5 AM during the Night between 29th Sep and 30th Sep 2026.
Day & Night AQI Trend : Sep 2026
Str Streams, Bacau, Bacu, Romania
21°C18/26°C
22°C16/29°C
21°C15/28°C
21°C15/28°C
24°C16/34°C
17°C14/23°C
17°C11/24°C
19°C13/27°C
21°C13/29°C
22°C13/31°C
22°C14/30°C
19°C13/24°C
14°C11/16°C
15°C11/20°C
18°C13/22°C
18°C14/24°C
19°C13/27°C
19°C12/26°C
20°C15/25°C
20°C15/27°C
15°C11/22°C
12°C9/17°C
12°C8/16°C
13°C10/18°C
14°C9/21°C
15°C10/20°C
16°C13/21°C
15°C9/19°C
15°C10/21°C
13°C8/19°C
40AQI
33AQI
39AQI
35AQI
2026 Days Vs Air Quality
Str Streams, Bacau, Bacu, Romania
79%
214
19%
51
2%
5
Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 273 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
Str Streams, Bacau, Bacu, Romania
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI (US)
49AQI (US)
63AQI (US)
54AQI (US)
76AQI (US)
76AQI (US)
80AQI (US)
62AQI (US)
57AQI (US)
77AQI (US)
76AQI (US)
59AQI (US)
74AQI (US)
97AQI (US)
116AQI (US)
103AQI (US)
106AQI (US)
91AQI (US)
96AQI (US)
118AQI (US)
110AQI (US)
67AQI (US)
40AQI (US)
53AQI (US)
54AQI (US)
40AQI (US)
66AQI (US)
60AQI (US)
51AQI (US)
46AQI (US)
44AQI (US)
52AQI (US)
51AQI (US)
69AQI (US)
80AQI (US)
64AQI (US)
23AQI (US)
42AQI (US)
83AQI (US)
70AQI (US)
55AQI (US)
63AQI (US)
71AQI (US)
58AQI (US)
50AQI (US)
42AQI (US)
42AQI (US)
61AQI (US)
43AQI (US)
71AQI (US)
80AQI (US)
59AQI (US)
61AQI (US)
42AQI (US)
47AQI (US)
27AQI (US)
18AQI (US)
62AQI (US)
66AQI (US)
67AQI (US)
58AQI (US)
59AQI (US)
53AQI (US)
50AQI (US)
41AQI (US)
38AQI (US)
42AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
41AQI (US)
48AQI (US)
53AQI (US)
51AQI (US)
58AQI (US)
59AQI (US)
48AQI (US)
32AQI (US)
35AQI (US)
37AQI (US)
36AQI (US)
40AQI (US)
46AQI (US)
51AQI (US)
41AQI (US)
43AQI (US)
35AQI (US)
32AQI (US)
34AQI (US)
42AQI (US)
41AQI (US)
34AQI (US)
47AQI (US)
25AQI (US)
36AQI (US)
47AQI (US)
24AQI (US)
20AQI (US)
27AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
34AQI (US)
26AQI (US)
38AQI (US)
40AQI (US)
28AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
21AQI (US)
26AQI (US)
20AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
42AQI (US)
51AQI (US)
37AQI (US)
35AQI (US)
45AQI (US)
59AQI (US)
60AQI (US)
39AQI (US)
42AQI (US)
41AQI (US)
37AQI (US)
24AQI (US)
22AQI (US)
19AQI (US)
19AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
20AQI (US)
25AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
16AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
17AQI (US)
20AQI (US)
18AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
21AQI (US)
39AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
33AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
19AQI (US)
18AQI (US)
21AQI (US)
17AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
25AQI (US)
24AQI (US)
35AQI (US)
47AQI (US)
40AQI (US)
37AQI (US)
38AQI (US)
35AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
36AQI (US)
33AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
33AQI (US)
33AQI (US)
36AQI (US)
39AQI (US)
41AQI (US)
35AQI (US)
34AQI (US)
36AQI (US)
33AQI (US)
34AQI (US)
33AQI (US)
35AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
38AQI (US)
32AQI (US)
35AQI (US)
37AQI (US)
37AQI (US)
29AQI (US)
35AQI (US)
36AQI (US)
37AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
32AQI (US)
37AQI (US)
40AQI (US)
47AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
37AQI (US)
34AQI (US)
35AQI (US)
45AQI (US)
35AQI (US)
35AQI (US)
35AQI (US)
35AQI (US)
33AQI (US)
39AQI (US)
36AQI (US)
38AQI (US)
39AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
45AQI (US)
45AQI (US)
43AQI (US)
44AQI (US)
40AQI (US)
40AQI (US)
71AQI (US)
55AQI (US)
45AQI (US)
30AQI (US)
32AQI (US)
25AQI (US)
30AQI (US)
35AQI (US)
37AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
January71AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202551AQI (US)
Highest AQI (US) recorded in
December87AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
November60AQI (US)
Lowest AQI (US) recorded in
February20AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
May32AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202227AQI (US)
Highest AQI (US) recorded in
January33AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
October35AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
November38AQI (US)
Lowest AQI (US) recorded in
October21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Str Streams's annual 2026 AQI (US) (40) shows an average percentage change of 35.3% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (25), 2022 (27), 2023 (27), 2024 (31), 2025 (51).