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, Ohio, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 3 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, Ohio, United States
7 AM18th Oct 2025
7 PM
6 AM19th Oct 2025
54AQI
24AQI
72AQI
46AQI
In the last 24 hours,
Youngstown's AQI reached its highest point of 72 at 3 AM during the Night, while the lowest point, 24, was recorded at 5 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
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, Ohio, United States
80%
234
20%
57
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% 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, Ohio, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
29AQI
27AQI
20AQI
33AQI
22AQI
19AQI
21AQI
28AQI
59AQI
62AQI
54AQI
24AQI
27AQI
35AQI
51AQI
51AQI
24AQI
21AQI
23AQI
28AQI
39AQI
42AQI
38AQI
49AQI
27AQI
29AQI
24AQI
24AQI
32AQI
32AQI
25AQI
30AQI
48AQI
26AQI
21AQI
28AQI
25AQI
34AQI
29AQI
32AQI
59AQI
47AQI
26AQI
35AQI
36AQI
22AQI
23AQI
24AQI
27AQI
23AQI
28AQI
51AQI
53AQI
39AQI
34AQI
53AQI
49AQI
25AQI
26AQI
26AQI
31AQI
32AQI
31AQI
27AQI
28AQI
31AQI
28AQI
30AQI
34AQI
29AQI
31AQI
50AQI
52AQI
28AQI
17AQI
24AQI
29AQI
24AQI
17AQI
19AQI
23AQI
20AQI
27AQI
21AQI
32AQI
46AQI
58AQI
50AQI
21AQI
18AQI
25AQI
23AQI
18AQI
21AQI
16AQI
22AQI
16AQI
28AQI
36AQI
30AQI
36AQI
36AQI
39AQI
20AQI
19AQI
36AQI
43AQI
45AQI
19AQI
37AQI
17AQI
31AQI
46AQI
40AQI
20AQI
17AQI
33AQI
42AQI
15AQI
35AQI
27AQI
20AQI
19AQI
23AQI
19AQI
25AQI
29AQI
21AQI
27AQI
33AQI
37AQI
19AQI
22AQI
32AQI
50AQI
27AQI
20AQI
19AQI
26AQI
24AQI
11AQI
13AQI
12AQI
24AQI
29AQI
25AQI
15AQI
25AQI
36AQI
33AQI
26AQI
32AQI
48AQI
67AQI
73AQI
55AQI
91AQI
69AQI
52AQI
45AQI
60AQI
68AQI
76AQI
50AQI
40AQI
34AQI
33AQI
30AQI
23AQI
32AQI
44AQI
48AQI
56AQI
58AQI
48AQI
45AQI
40AQI
35AQI
38AQI
43AQI
32AQI
38AQI
52AQI
64AQI
86AQI
61AQI
49AQI
41AQI
62AQI
54AQI
53AQI
50AQI
41AQI
52AQI
66AQI
57AQI
27AQI
22AQI
29AQI
33AQI
51AQI
48AQI
42AQI
58AQI
47AQI
38AQI
33AQI
40AQI
35AQI
48AQI
66AQI
60AQI
31AQI
43AQI
65AQI
70AQI
79AQI
68AQI
76AQI
67AQI
62AQI
58AQI
55AQI
37AQI
50AQI
69AQI
63AQI
50AQI
21AQI
33AQI
27AQI
16AQI
24AQI
36AQI
35AQI
20AQI
20AQI
28AQI
33AQI
24AQI
29AQI
30AQI
27AQI
32AQI
35AQI
27AQI
52AQI
38AQI
29AQI
26AQI
30AQI
34AQI
40AQI
45AQI
52AQI
52AQI
50AQI
50AQI
53AQI
51AQI
54AQI
36AQI
42AQI
40AQI
27AQI
37AQI
30AQI
39AQI
36AQI
55AQI
57AQI
49AQI
30AQI
28AQI
46AQI
55AQI
56AQI
48AQI
28AQI
12AQI
27AQI
27AQI
46AQI
32AQI
30AQI
18AQI
22AQI
24AQI
33AQI
47AQI
33AQI
34AQI
30AQI
28AQI
25AQI
49AQI
48AQI
44AQI
41AQI
34AQI
No. of days
202537AQI
Highest AQI recorded in
June49AQI
Lowest AQI recorded in
May25AQI
202433AQI
Highest AQI recorded in
September39AQI
Lowest AQI recorded in
April21AQI
202330AQI
Highest AQI recorded in
November31AQI
Lowest AQI recorded in
December30AQI
202137AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
January30AQI
202034AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
December28AQI
Most & Least Polluted Years Over the Last 5 Years
Youngstown's annual 2025 AQI (37) shows an average percentage change of 10.2% (worsened AQI) compared to previous years: 2020 (34), 2021 (37), 2023 (30), 2024 (33).