NG Grcna, Nova Gorica, Nova Gorica, Slovenia 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
NG Grcna, Nova Gorica, Nova Gorica, Slovenia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 21 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025
NG Grcna, Nova Gorica, Nova Gorica, Slovenia
6 AM2nd Sep 2025
8 PM
5 AM3rd Sep 2025
24AQI
18AQI
26AQI
17AQI
In the last 24 hours,
NG Grcna's AQI reached its highest point of 26 at 3 AM during the Night, while the lowest point, 17, was recorded at 4 AM during the Night between 2nd Sep and 3rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
NG Grcna, Nova Gorica, Nova Gorica, Slovenia
20°C14/25°C
22°C17/27°C
22°C18/26°C
22°C17/27°C
24°C18/30°C
26°C20/33°C
28°C21/36°C
26°C20/31°C
25°C20/32°C
27°C21/35°C
26°C21/33°C
26°C20/34°C
25°C19/34°C
24°C19/31°C
22°C17/28°C
23°C18/28°C
21°C18/24°C
19°C15/24°C
19°C15/26°C
19°C16/22°C
19°C15/23°C
18°C14/25°C
19°C14/25°C
20°C16/25°C
21°C18/27°C
20°C17/23°C
18°C15/21°C
18°C14/24°C
19°C15/25°C
18°C16/22°C
--°C/°C
37AQI
37AQI
38AQI
38AQI
2025 Days Vs Air Quality
NG Grcna, Nova Gorica, Nova Gorica, Slovenia
66%
161
31%
76
3%
7
0.4%
1
Total number of days with different AQI categories in last 246 days in 2025 (119 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 246 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
NG Grcna, Nova Gorica, Nova Gorica, Slovenia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
133AQI
161AQI
87AQI
44AQI
63AQI
83AQI
74AQI
80AQI
48AQI
43AQI
41AQI
42AQI
50AQI
35AQI
72AQI
48AQI
53AQI
53AQI
57AQI
67AQI
87AQI
117AQI
70AQI
64AQI
80AQI
76AQI
58AQI
42AQI
31AQI
54AQI
68AQI
57AQI
53AQI
61AQI
66AQI
66AQI
64AQI
65AQI
88AQI
84AQI
85AQI
121AQI
98AQI
74AQI
50AQI
44AQI
67AQI
65AQI
71AQI
67AQI
81AQI
93AQI
126AQI
140AQI
129AQI
145AQI
89AQI
35AQI
40AQI
36AQI
40AQI
50AQI
52AQI
54AQI
60AQI
62AQI
66AQI
84AQI
78AQI
59AQI
47AQI
32AQI
27AQI
27AQI
30AQI
38AQI
28AQI
41AQI
63AQI
68AQI
58AQI
49AQI
35AQI
34AQI
31AQI
27AQI
31AQI
30AQI
22AQI
23AQI
20AQI
30AQI
45AQI
48AQI
52AQI
40AQI
29AQI
45AQI
41AQI
35AQI
61AQI
58AQI
62AQI
42AQI
32AQI
49AQI
50AQI
31AQI
26AQI
22AQI
23AQI
40AQI
42AQI
34AQI
20AQI
17AQI
23AQI
29AQI
39AQI
41AQI
60AQI
52AQI
51AQI
41AQI
36AQI
18AQI
25AQI
28AQI
30AQI
31AQI
32AQI
33AQI
33AQI
35AQI
35AQI
23AQI
21AQI
25AQI
32AQI
40AQI
34AQI
30AQI
18AQI
24AQI
27AQI
36AQI
25AQI
24AQI
22AQI
20AQI
33AQI
36AQI
31AQI
33AQI
36AQI
37AQI
46AQI
52AQI
51AQI
50AQI
57AQI
66AQI
67AQI
62AQI
61AQI
60AQI
55AQI
41AQI
40AQI
50AQI
53AQI
48AQI
46AQI
51AQI
51AQI
54AQI
56AQI
50AQI
47AQI
43AQI
46AQI
47AQI
43AQI
43AQI
45AQI
40AQI
44AQI
37AQI
32AQI
29AQI
25AQI
25AQI
26AQI
28AQI
31AQI
33AQI
33AQI
32AQI
26AQI
23AQI
28AQI
34AQI
30AQI
31AQI
34AQI
34AQI
28AQI
24AQI
22AQI
23AQI
22AQI
23AQI
24AQI
24AQI
22AQI
23AQI
23AQI
24AQI
25AQI
31AQI
39AQI
48AQI
55AQI
55AQI
56AQI
57AQI
58AQI
56AQI
52AQI
46AQI
41AQI
43AQI
41AQI
37AQI
33AQI
26AQI
25AQI
29AQI
36AQI
41AQI
38AQI
35AQI
25AQI
22AQI
21AQI
67AQI
79AQI
45AQI
38AQI
31AQI
49AQI
31AQI
38AQI
22AQI
No. of days
202547AQI
Highest AQI recorded in
February79AQI
Lowest AQI recorded in
September22AQI
202452AQI
Highest AQI recorded in
February77AQI
Lowest AQI recorded in
May35AQI
202352AQI
Highest AQI recorded in
February99AQI
Lowest AQI recorded in
May39AQI
202261AQI
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
October44AQI
Most & Least Polluted Years Over the Last 4 Years
NG Grcna's annual 2025 AQI (47) shows an average percentage change of -14.5% (improved AQI) compared to previous years: 2022 (61), 2023 (52), 2024 (52).