Gronau, North Rhine Westphalia, Germany Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Gronau, North Rhine Westphalia, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (11th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Oct - 12th Oct 2025
Gronau, North Rhine Westphalia, Germany
7 AM11th Oct 2025
7 PM
6 AM12th Oct 2025
61AQI
47AQI
72AQI
52AQI
In the last 24 hours,
Gronau's AQI reached its highest point of 72 at 10 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 11th Oct and 12th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gronau, North Rhine Westphalia, Germany
14°C11/18°C
14°C12/19°C
14°C10/19°C
17°C14/20°C
14°C11/17°C
13°C11/16°C
18°C16/22°C
19°C14/25°C
20°C17/27°C
15°C10/17°C
12°C8/15°C
12°C8/17°C
12°C7/17°C
12°C9/16°C
13°C10/17°C
14°C10/19°C
16°C12/20°C
15°C11/19°C
13°C9/17°C
11°C7/15°C
11°C6/17°C
12°C9/15°C
12°C9/16°C
11°C10/13°C
12°C8/14°C
15°C12/19°C
14°C14/16°C
13°C11/16°C
14°C11/18°C
13°C10/16°C
--°C/°C
39AQI
36AQI
39AQI
37AQI
2025 Days Vs Air Quality
Gronau, North Rhine Westphalia, Germany
77%
218
23%
65
0.3%
1
Total number of days with different AQI categories in last 285 days in 2025 (80 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 285 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
Gronau, North Rhine Westphalia, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
31AQI
30AQI
40AQI
46AQI
27AQI
24AQI
26AQI
31AQI
26AQI
42AQI
39AQI
58AQI
61AQI
51AQI
54AQI
61AQI
51AQI
61AQI
68AQI
79AQI
70AQI
55AQI
37AQI
33AQI
34AQI
27AQI
26AQI
22AQI
22AQI
34AQI
50AQI
51AQI
58AQI
79AQI
64AQI
55AQI
44AQI
64AQI
84AQI
98AQI
95AQI
83AQI
119AQI
77AQI
71AQI
65AQI
56AQI
59AQI
57AQI
63AQI
54AQI
49AQI
49AQI
33AQI
33AQI
35AQI
31AQI
34AQI
39AQI
51AQI
60AQI
77AQI
80AQI
69AQI
59AQI
64AQI
81AQI
95AQI
78AQI
48AQI
44AQI
34AQI
34AQI
38AQI
27AQI
31AQI
43AQI
57AQI
63AQI
55AQI
57AQI
67AQI
80AQI
53AQI
49AQI
69AQI
49AQI
40AQI
34AQI
31AQI
32AQI
35AQI
45AQI
35AQI
21AQI
24AQI
27AQI
36AQI
37AQI
47AQI
48AQI
41AQI
51AQI
48AQI
37AQI
36AQI
26AQI
24AQI
39AQI
43AQI
45AQI
42AQI
40AQI
41AQI
46AQI
32AQI
33AQI
38AQI
30AQI
35AQI
52AQI
27AQI
18AQI
18AQI
17AQI
20AQI
17AQI
19AQI
19AQI
20AQI
17AQI
21AQI
23AQI
23AQI
24AQI
25AQI
29AQI
22AQI
23AQI
28AQI
20AQI
14AQI
20AQI
20AQI
18AQI
18AQI
16AQI
22AQI
26AQI
30AQI
30AQI
27AQI
23AQI
24AQI
19AQI
16AQI
15AQI
14AQI
28AQI
49AQI
37AQI
37AQI
47AQI
51AQI
41AQI
33AQI
33AQI
37AQI
31AQI
26AQI
29AQI
27AQI
24AQI
23AQI
22AQI
24AQI
21AQI
25AQI
21AQI
23AQI
24AQI
35AQI
27AQI
24AQI
26AQI
20AQI
19AQI
26AQI
25AQI
32AQI
36AQI
36AQI
39AQI
35AQI
32AQI
26AQI
23AQI
26AQI
34AQI
33AQI
25AQI
22AQI
22AQI
25AQI
28AQI
31AQI
36AQI
30AQI
24AQI
22AQI
22AQI
22AQI
21AQI
21AQI
22AQI
23AQI
23AQI
27AQI
31AQI
44AQI
36AQI
32AQI
41AQI
51AQI
56AQI
56AQI
48AQI
33AQI
23AQI
24AQI
28AQI
21AQI
19AQI
19AQI
19AQI
20AQI
25AQI
31AQI
34AQI
25AQI
19AQI
19AQI
18AQI
18AQI
17AQI
20AQI
18AQI
19AQI
21AQI
23AQI
24AQI
23AQI
21AQI
17AQI
17AQI
17AQI
17AQI
18AQI
19AQI
19AQI
23AQI
31AQI
26AQI
20AQI
19AQI
16AQI
25AQI
40AQI
42AQI
57AQI
56AQI
67AQI
54AQI
57AQI
60AQI
51AQI
42AQI
51AQI
72AQI
56AQI
46AQI
53AQI
51AQI
42AQI
61AQI
56AQI
37AQI
23AQI
29AQI
28AQI
29AQI
26AQI
54AQI
No. of days
202537AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
May23AQI
202427AQI
Highest AQI recorded in
November37AQI
Lowest AQI recorded in
April17AQI
202323AQI
Highest AQI recorded in
February36AQI
Lowest AQI recorded in
July13AQI
202236AQI
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
November26AQI
202134AQI
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
November18AQI
202034AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Gronau's annual 2025 AQI (37) shows an average percentage change of 24.5% (worsened AQI) compared to previous years: 2020 (34), 2021 (34), 2022 (36), 2023 (23), 2024 (27).