Youngstown State, Youngstown, 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
Youngstown State, Youngstown, Ohio, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Youngstown State, Youngstown, Ohio, United States
7 AM18th Oct 2025
7 PM
6 AM19th Oct 2025
54AQI
25AQI
72AQI
45AQI
In the last 24 hours,
Youngstown State's AQI reached its highest point of 72 at 3 AM during the Night, while the lowest point, 25, was recorded at 5 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Youngstown State, Youngstown, Ohio, United States
21°C14/31°C
21°C14/30°C
24°C16/33°C
22°C19/29°C
19°C18/22°C
19°C18/21°C
18°C16/22°C
18°C14/25°C
19°C13/26°C
21°C14/32°C
19°C12/29°C
20°C12/31°C
18°C11/27°C
16°C7/27°C
18°C11/28°C
19°C10/31°C
19°C10/30°C
20°C12/31°C
19°C18/21°C
13°C8/17°C
9°C3/17°C
11°C3/22°C
13°C8/19°C
13°C8/21°C
14°C8/23°C
15°C10/21°C
13°C9/19°C
10°C4/18°C
10°C2/20°C
17°C9/28°C
--°C/°C
45AQI
30AQI
41AQI
33AQI
2025 Days Vs Air Quality
Youngstown State, Youngstown, Ohio, United States
77%
158
23%
48
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 292 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
Youngstown State, Youngstown, Ohio, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
46AQI
58AQI
51AQI
21AQI
18AQI
25AQI
24AQI
18AQI
21AQI
16AQI
22AQI
16AQI
28AQI
36AQI
30AQI
36AQI
35AQI
41AQI
20AQI
19AQI
35AQI
43AQI
45AQI
19AQI
38AQI
18AQI
31AQI
47AQI
41AQI
21AQI
17AQI
35AQI
43AQI
15AQI
36AQI
28AQI
20AQI
19AQI
23AQI
19AQI
24AQI
29AQI
20AQI
27AQI
33AQI
38AQI
19AQI
23AQI
32AQI
50AQI
27AQI
20AQI
19AQI
26AQI
24AQI
11AQI
13AQI
12AQI
23AQI
28AQI
27AQI
15AQI
25AQI
36AQI
34AQI
26AQI
32AQI
48AQI
68AQI
74AQI
56AQI
91AQI
70AQI
53AQI
45AQI
60AQI
69AQI
77AQI
50AQI
39AQI
33AQI
34AQI
30AQI
23AQI
32AQI
45AQI
49AQI
57AQI
59AQI
49AQI
46AQI
40AQI
35AQI
38AQI
43AQI
32AQI
38AQI
53AQI
64AQI
85AQI
61AQI
49AQI
41AQI
62AQI
54AQI
53AQI
50AQI
41AQI
51AQI
66AQI
57AQI
27AQI
22AQI
29AQI
34AQI
51AQI
48AQI
42AQI
58AQI
47AQI
37AQI
33AQI
40AQI
35AQI
47AQI
66AQI
60AQI
30AQI
43AQI
66AQI
71AQI
80AQI
69AQI
78AQI
67AQI
62AQI
58AQI
55AQI
37AQI
50AQI
69AQI
63AQI
50AQI
21AQI
33AQI
27AQI
15AQI
24AQI
36AQI
35AQI
20AQI
20AQI
29AQI
32AQI
24AQI
29AQI
29AQI
27AQI
31AQI
35AQI
27AQI
52AQI
38AQI
29AQI
26AQI
30AQI
35AQI
39AQI
44AQI
52AQI
52AQI
50AQI
50AQI
53AQI
51AQI
54AQI
36AQI
43AQI
39AQI
27AQI
37AQI
30AQI
39AQI
36AQI
54AQI
56AQI
49AQI
30AQI
28AQI
46AQI
55AQI
56AQI
48AQI
28AQI
12AQI
26AQI
27AQI
46AQI
32AQI
29AQI
18AQI
22AQI
24AQI
33AQI
47AQI
42AQI
28AQI
25AQI
49AQI
48AQI
45AQI
41AQI
34AQI
No. of days
202539AQI
Highest AQI recorded in
June49AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 1 Years
Youngstown State's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .