Springfield, Ohio, 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
Springfield, Ohio, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Springfield, Ohio, United States
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
49AQI
29AQI
48AQI
36AQI
In the last 24 hours,
Springfield's AQI reached its highest point of 49 at 11 AM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Springfield, Ohio, United States
19°C10/27°C
19°C9/27°C
20°C11/29°C
21°C12/29°C
21°C12/30°C
21°C12/30°C
22°C14/30°C
22°C14/30°C
22°C13/30°C
21°C14/30°C
23°C17/32°C
20°C18/25°C
21°C18/27°C
20°C18/25°C
19°C16/23°C
18°C14/26°C
20°C12/29°C
22°C13/31°C
22°C14/31°C
21°C13/30°C
20°C12/28°C
19°C9/28°C
21°C12/30°C
21°C13/31°C
21°C13/29°C
21°C13/28°C
19°C16/21°C
14°C9/19°C
11°C6/18°C
12°C4/22°C
--°C/°C
41AQI
37AQI
40AQI
38AQI
2025 Days Vs Air Quality
Springfield, Ohio, United States
80%
225
20%
58
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 284 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
Springfield, Ohio, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
25AQI
29AQI
24AQI
25AQI
23AQI
20AQI
35AQI
46AQI
56AQI
52AQI
44AQI
25AQI
27AQI
41AQI
44AQI
43AQI
24AQI
20AQI
22AQI
27AQI
29AQI
35AQI
41AQI
41AQI
28AQI
28AQI
25AQI
24AQI
30AQI
25AQI
22AQI
31AQI
38AQI
31AQI
25AQI
28AQI
23AQI
29AQI
35AQI
32AQI
43AQI
51AQI
33AQI
27AQI
23AQI
23AQI
21AQI
24AQI
22AQI
23AQI
37AQI
52AQI
47AQI
35AQI
35AQI
47AQI
43AQI
26AQI
25AQI
25AQI
30AQI
28AQI
25AQI
27AQI
25AQI
33AQI
31AQI
34AQI
36AQI
34AQI
41AQI
40AQI
30AQI
22AQI
20AQI
22AQI
28AQI
22AQI
19AQI
22AQI
22AQI
19AQI
21AQI
26AQI
35AQI
38AQI
56AQI
36AQI
19AQI
28AQI
29AQI
21AQI
25AQI
16AQI
18AQI
24AQI
15AQI
28AQI
29AQI
38AQI
35AQI
35AQI
37AQI
21AQI
24AQI
32AQI
44AQI
39AQI
44AQI
36AQI
22AQI
36AQI
39AQI
27AQI
28AQI
22AQI
20AQI
39AQI
21AQI
31AQI
30AQI
21AQI
18AQI
22AQI
22AQI
26AQI
34AQI
29AQI
34AQI
33AQI
27AQI
22AQI
29AQI
41AQI
51AQI
26AQI
21AQI
23AQI
24AQI
23AQI
16AQI
16AQI
20AQI
23AQI
23AQI
20AQI
19AQI
30AQI
35AQI
37AQI
31AQI
42AQI
49AQI
59AQI
56AQI
49AQI
62AQI
66AQI
52AQI
53AQI
60AQI
68AQI
70AQI
57AQI
44AQI
40AQI
33AQI
35AQI
23AQI
31AQI
41AQI
44AQI
57AQI
59AQI
55AQI
51AQI
47AQI
42AQI
39AQI
33AQI
30AQI
39AQI
49AQI
55AQI
77AQI
61AQI
50AQI
49AQI
60AQI
54AQI
53AQI
50AQI
42AQI
56AQI
64AQI
48AQI
30AQI
26AQI
30AQI
31AQI
47AQI
59AQI
54AQI
60AQI
53AQI
40AQI
27AQI
31AQI
33AQI
47AQI
52AQI
76AQI
47AQI
38AQI
47AQI
54AQI
53AQI
52AQI
50AQI
57AQI
56AQI
56AQI
52AQI
34AQI
55AQI
61AQI
61AQI
48AQI
33AQI
45AQI
28AQI
19AQI
25AQI
42AQI
33AQI
20AQI
22AQI
27AQI
40AQI
31AQI
23AQI
26AQI
29AQI
36AQI
43AQI
37AQI
56AQI
28AQI
33AQI
26AQI
32AQI
36AQI
41AQI
41AQI
51AQI
53AQI
49AQI
45AQI
54AQI
54AQI
55AQI
53AQI
51AQI
44AQI
35AQI
41AQI
28AQI
26AQI
28AQI
45AQI
56AQI
46AQI
45AQI
48AQI
62AQI
66AQI
61AQI
64AQI
18AQI
32AQI
41AQI
55AQI
32AQI
32AQI
29AQI
29AQI
27AQI
48AQI
47AQI
42AQI
42AQI
49AQI
No. of days
202537AQI
Highest AQI recorded in
October49AQI
Lowest AQI recorded in
May27AQI
202431AQI
Highest AQI recorded in
February39AQI
Lowest AQI recorded in
November26AQI
202340AQI
Highest AQI recorded in
June73AQI
Lowest AQI recorded in
October28AQI
202237AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
September31AQI
202140AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
October33AQI
202031AQI
Highest AQI recorded in
December42AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 6 Years
Springfield's annual 2025 AQI (37) shows an average percentage change of 3.9% (worsened AQI) compared to previous years: 2020 (31), 2021 (40), 2022 (37), 2023 (40), 2024 (31).