Grand Rapids, Michigan, 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
Grand Rapids, Michigan, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th 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: 14th Oct - 15th Oct 2025
Grand Rapids, Michigan, United States
7 AM14th Oct 2025
7 PM
6 AM15th Oct 2025
59AQI
38AQI
51AQI
35AQI
In the last 24 hours,
Grand Rapids's AQI reached its highest point of 59 at 12 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Grand Rapids, Michigan, United States
21°C13/31°C
21°C12/30°C
21°C11/31°C
23°C16/33°C
21°C18/29°C
19°C14/26°C
20°C16/26°C
21°C17/25°C
20°C16/24°C
18°C15/22°C
18°C15/22°C
19°C12/28°C
20°C13/29°C
20°C14/29°C
19°C10/30°C
20°C11/30°C
18°C13/24°C
17°C9/28°C
20°C12/31°C
22°C15/32°C
22°C16/31°C
22°C17/29°C
16°C11/20°C
11°C6/16°C
10°C3/19°C
11°C5/18°C
12°C7/16°C
12°C6/20°C
16°C10/25°C
17°C13/24°C
--°C/°C
43AQI
37AQI
44AQI
36AQI
2025 Days Vs Air Quality
Grand Rapids, Michigan, United States
80%
229
18%
53
2%
5
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 288 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
Grand Rapids, Michigan, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
24AQI
21AQI
23AQI
23AQI
22AQI
24AQI
22AQI
34AQI
68AQI
44AQI
49AQI
25AQI
23AQI
29AQI
41AQI
32AQI
25AQI
26AQI
23AQI
24AQI
28AQI
31AQI
29AQI
34AQI
25AQI
24AQI
24AQI
26AQI
35AQI
49AQI
25AQI
45AQI
49AQI
22AQI
22AQI
32AQI
28AQI
34AQI
32AQI
38AQI
35AQI
34AQI
28AQI
38AQI
55AQI
33AQI
25AQI
24AQI
22AQI
24AQI
31AQI
43AQI
60AQI
48AQI
28AQI
41AQI
45AQI
27AQI
29AQI
27AQI
34AQI
36AQI
29AQI
30AQI
31AQI
31AQI
28AQI
31AQI
30AQI
28AQI
34AQI
43AQI
104AQI
19AQI
19AQI
27AQI
32AQI
18AQI
22AQI
19AQI
23AQI
19AQI
19AQI
24AQI
48AQI
50AQI
32AQI
30AQI
20AQI
23AQI
28AQI
29AQI
30AQI
22AQI
22AQI
22AQI
16AQI
34AQI
37AQI
41AQI
41AQI
46AQI
33AQI
14AQI
16AQI
34AQI
53AQI
36AQI
30AQI
20AQI
21AQI
44AQI
51AQI
41AQI
18AQI
28AQI
31AQI
38AQI
19AQI
30AQI
20AQI
20AQI
22AQI
22AQI
33AQI
36AQI
24AQI
24AQI
38AQI
23AQI
35AQI
32AQI
33AQI
47AQI
40AQI
28AQI
19AQI
17AQI
21AQI
18AQI
16AQI
13AQI
17AQI
23AQI
26AQI
28AQI
29AQI
35AQI
47AQI
36AQI
25AQI
35AQI
59AQI
62AQI
100AQI
80AQI
68AQI
84AQI
76AQI
53AQI
75AQI
82AQI
56AQI
40AQI
45AQI
53AQI
53AQI
45AQI
28AQI
43AQI
45AQI
47AQI
57AQI
45AQI
34AQI
47AQI
34AQI
24AQI
35AQI
38AQI
33AQI
47AQI
46AQI
54AQI
69AQI
56AQI
37AQI
61AQI
60AQI
48AQI
45AQI
42AQI
62AQI
85AQI
80AQI
66AQI
23AQI
24AQI
34AQI
33AQI
95AQI
48AQI
55AQI
56AQI
38AQI
59AQI
38AQI
42AQI
43AQI
52AQI
148AQI
87AQI
97AQI
126AQI
115AQI
107AQI
84AQI
59AQI
53AQI
54AQI
41AQI
48AQI
37AQI
50AQI
72AQI
71AQI
62AQI
39AQI
24AQI
25AQI
20AQI
21AQI
32AQI
38AQI
24AQI
18AQI
25AQI
33AQI
37AQI
18AQI
29AQI
36AQI
44AQI
39AQI
48AQI
25AQI
35AQI
23AQI
29AQI
29AQI
37AQI
49AQI
53AQI
53AQI
59AQI
58AQI
54AQI
49AQI
56AQI
57AQI
43AQI
26AQI
31AQI
36AQI
39AQI
27AQI
30AQI
34AQI
44AQI
40AQI
40AQI
40AQI
29AQI
39AQI
49AQI
59AQI
64AQI
45AQI
12AQI
31AQI
32AQI
39AQI
37AQI
51AQI
50AQI
51AQI
30AQI
35AQI
31AQI
31AQI
27AQI
52AQI
54AQI
51AQI
41AQI
42AQI
No. of days
202539AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
May27AQI
202430AQI
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
April17AQI
202345AQI
Highest AQI recorded in
June78AQI
Lowest AQI recorded in
October33AQI
202241AQI
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
August30AQI
202142AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
March35AQI
202037AQI
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
October26AQI
Most & Least Polluted Years Over the Last 6 Years
Grand Rapids's annual 2025 AQI (39) shows an average percentage change of 2.6% (worsened AQI) compared to previous years: 2020 (37), 2021 (42), 2022 (41), 2023 (45), 2024 (30).