Port Huron, Michigan, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Port Huron, Michigan, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Port Huron, Michigan, United States
6 AM6th Aug 2026
9 PM
5 AM7th Aug 2026
43AQI
24AQI
53AQI
25AQI
In the last 24 hours,
Port Huron's AQI reached its highest point of 53 at 11 PM during the Night, while the lowest point, 24, was recorded at 6 PM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Port Huron, Michigan, United States
26°C20/32°C
23°C20/28°C
24°C17/30°C
23°C16/31°C
26°C16/35°C
30°C21/39°C
28°C23/35°C
24°C19/31°C
23°C14/32°C
25°C21/34°C
21°C17/25°C
21°C11/30°C
24°C18/34°C
18°C14/23°C
19°C11/27°C
21°C11/29°C
22°C14/30°C
23°C17/30°C
25°C18/33°C
22°C19/26°C
22°C17/27°C
23°C16/30°C
24°C16/32°C
23°C20/30°C
21°C19/23°C
21°C16/27°C
21°C11/31°C
24°C14/33°C
24°C20/29°C
25°C20/31°C
52AQI
44AQI
44AQI
41AQI
2026 Days Vs Air Quality
Port Huron, Michigan, United States
89%
192
11%
24
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 219 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
Port Huron, Michigan, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
21AQI (US)
32AQI (US)
30AQI (US)
50AQI (US)
75AQI (US)
48AQI (US)
52AQI (US)
24AQI (US)
27AQI (US)
20AQI (US)
26AQI (US)
36AQI (US)
21AQI (US)
13AQI (US)
32AQI (US)
43AQI (US)
28AQI (US)
31AQI (US)
28AQI (US)
36AQI (US)
59AQI (US)
60AQI (US)
48AQI (US)
50AQI (US)
48AQI (US)
39AQI (US)
44AQI (US)
50AQI (US)
59AQI (US)
44AQI (US)
45AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
51AQI (US)
50AQI (US)
40AQI (US)
43AQI (US)
48AQI (US)
45AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
48AQI (US)
44AQI (US)
46AQI (US)
58AQI (US)
43AQI (US)
42AQI (US)
41AQI (US)
36AQI (US)
37AQI (US)
37AQI (US)
46AQI (US)
45AQI (US)
34AQI (US)
36AQI (US)
35AQI (US)
38AQI (US)
61AQI (US)
45AQI (US)
47AQI (US)
42AQI (US)
36AQI (US)
38AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
42AQI (US)
39AQI (US)
42AQI (US)
36AQI (US)
32AQI (US)
39AQI (US)
34AQI (US)
31AQI (US)
39AQI (US)
42AQI (US)
39AQI (US)
36AQI (US)
40AQI (US)
37AQI (US)
33AQI (US)
37AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
34AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
37AQI (US)
36AQI (US)
32AQI (US)
29AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
35AQI (US)
38AQI (US)
31AQI (US)
26AQI (US)
29AQI (US)
31AQI (US)
27AQI (US)
26AQI (US)
35AQI (US)
22AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
29AQI (US)
28AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
34AQI (US)
26AQI (US)
34AQI (US)
27AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
46AQI (US)
46AQI (US)
33AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
40AQI (US)
34AQI (US)
32AQI (US)
52AQI (US)
90AQI (US)
99AQI (US)
62AQI (US)
76AQI (US)
72AQI (US)
59AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
50AQI (US)
57AQI (US)
58AQI (US)
28AQI (US)
35AQI (US)
47AQI (US)
51AQI (US)
30AQI (US)
38AQI (US)
35AQI (US)
35AQI (US)
33AQI (US)
37AQI (US)
38AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
44AQI (US)
37AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
June49AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
January37AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
June79AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202034AQI (US)
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Port Huron's annual 2026 AQI (US) (36) shows an average percentage change of 0.01% (worsened AQI (US)) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (41), 2024 (33), 2025 (36).