Cor, Omaha, Nebraska, United States 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
Cor, Omaha, Nebraska, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Cor, Omaha, Nebraska, United States
7 AM17th Oct 2025
7 PM
6 AM18th Oct 2025
63AQI
40AQI
55AQI
35AQI
In the last 24 hours,
Cor's AQI reached its highest point of 63 at 10 AM during the Day, while the lowest point, 35, was recorded at 1 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Cor, Omaha, Nebraska, United States
20°C16/26°C
20°C16/25°C
20°C17/27°C
20°C14/28°C
24°C17/33°C
21°C17/24°C
20°C15/28°C
21°C12/31°C
22°C14/33°C
21°C16/28°C
20°C11/32°C
23°C15/33°C
22°C16/30°C
23°C16/32°C
24°C16/33°C
25°C17/33°C
26°C20/33°C
23°C17/30°C
12°C11/13°C
14°C8/21°C
14°C7/22°C
18°C12/27°C
20°C15/27°C
17°C10/26°C
23°C16/31°C
16°C10/22°C
15°C13/17°C
20°C14/27°C
22°C17/30°C
20°C16/25°C
--°C/°C
41AQI
38AQI
46AQI
37AQI
2025 Days Vs Air Quality
Cor, Omaha, Nebraska, United States
85%
247
14%
42
0.3%
1
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 291 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
Cor, Omaha, Nebraska, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
26AQI
36AQI
23AQI
22AQI
22AQI
28AQI
42AQI
51AQI
27AQI
38AQI
30AQI
24AQI
28AQI
34AQI
25AQI
34AQI
24AQI
26AQI
28AQI
26AQI
27AQI
30AQI
31AQI
25AQI
25AQI
25AQI
25AQI
26AQI
48AQI
38AQI
34AQI
30AQI
30AQI
23AQI
28AQI
29AQI
27AQI
27AQI
34AQI
39AQI
32AQI
29AQI
36AQI
38AQI
49AQI
29AQI
31AQI
23AQI
23AQI
35AQI
51AQI
52AQI
47AQI
26AQI
26AQI
25AQI
24AQI
26AQI
25AQI
27AQI
56AQI
39AQI
35AQI
23AQI
26AQI
27AQI
27AQI
27AQI
24AQI
36AQI
49AQI
68AQI
29AQI
17AQI
22AQI
36AQI
29AQI
20AQI
20AQI
25AQI
20AQI
23AQI
26AQI
29AQI
42AQI
34AQI
35AQI
33AQI
34AQI
38AQI
31AQI
21AQI
33AQI
28AQI
33AQI
24AQI
26AQI
42AQI
26AQI
34AQI
56AQI
52AQI
31AQI
19AQI
21AQI
31AQI
45AQI
25AQI
32AQI
36AQI
34AQI
45AQI
32AQI
20AQI
22AQI
27AQI
44AQI
25AQI
28AQI
25AQI
25AQI
22AQI
34AQI
32AQI
28AQI
34AQI
35AQI
42AQI
38AQI
42AQI
37AQI
40AQI
41AQI
48AQI
45AQI
19AQI
25AQI
22AQI
17AQI
15AQI
17AQI
25AQI
24AQI
28AQI
30AQI
25AQI
32AQI
30AQI
33AQI
30AQI
69AQI
47AQI
58AQI
65AQI
62AQI
54AQI
52AQI
75AQI
64AQI
59AQI
53AQI
56AQI
53AQI
39AQI
35AQI
40AQI
24AQI
24AQI
30AQI
31AQI
40AQI
43AQI
51AQI
25AQI
21AQI
19AQI
18AQI
20AQI
19AQI
27AQI
31AQI
28AQI
39AQI
53AQI
48AQI
40AQI
49AQI
27AQI
22AQI
26AQI
25AQI
49AQI
64AQI
61AQI
42AQI
28AQI
21AQI
24AQI
40AQI
33AQI
27AQI
20AQI
41AQI
22AQI
28AQI
18AQI
22AQI
33AQI
28AQI
23AQI
61AQI
132AQI
95AQI
77AQI
55AQI
48AQI
39AQI
53AQI
49AQI
41AQI
34AQI
36AQI
33AQI
37AQI
43AQI
41AQI
40AQI
29AQI
34AQI
30AQI
27AQI
29AQI
27AQI
24AQI
22AQI
24AQI
31AQI
31AQI
35AQI
42AQI
43AQI
33AQI
32AQI
35AQI
50AQI
69AQI
44AQI
33AQI
42AQI
46AQI
41AQI
36AQI
47AQI
52AQI
43AQI
51AQI
35AQI
54AQI
38AQI
27AQI
19AQI
21AQI
28AQI
24AQI
26AQI
31AQI
37AQI
38AQI
32AQI
41AQI
44AQI
39AQI
51AQI
52AQI
58AQI
62AQI
58AQI
23AQI
37AQI
44AQI
35AQI
47AQI
56AQI
51AQI
43AQI
48AQI
55AQI
56AQI
52AQI
30AQI
32AQI
31AQI
32AQI
30AQI
42AQI
35AQI
42AQI
39AQI
49AQI
No. of days
202536AQI
Highest AQI recorded in
October49AQI
Lowest AQI recorded in
January30AQI
202435AQI
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
November23AQI
202338AQI
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
February27AQI
202233AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
November26AQI
202136AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
November27AQI
202035AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 6 Years
Cor's annual 2025 AQI (36) shows an average percentage change of 0.8% (worsened AQI) compared to previous years: 2020 (35), 2021 (36), 2022 (33), 2023 (38), 2024 (35).