Galveston, Texas, 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
Galveston, Texas, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Galveston, Texas, United States
6 AM7th Aug 2025
8 PM
5 AM8th Aug 2025
37AQI
24AQI
31AQI
26AQI
In the last 24 hours,
Galveston's AQI reached its highest point of 37 at 2 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Galveston, Texas, United States
29°C28/32°C
29°C27/31°C
30°C28/32°C
29°C28/31°C
30°C29/32°C
29°C27/32°C
30°C27/33°C
29°C28/32°C
29°C28/31°C
29°C29/30°C
30°C27/33°C
29°C29/30°C
30°C29/32°C
30°C29/33°C
30°C28/32°C
30°C28/32°C
29°C27/30°C
29°C27/30°C
30°C29/32°C
30°C29/33°C
29°C27/32°C
30°C28/34°C
30°C29/30°C
30°C29/31°C
30°C29/30°C
29°C28/31°C
29°C29/32°C
29°C29/32°C
30°C29/32°C
30°C29/32°C
--°C/°C
43AQI
43AQI
41AQI
39AQI
2025 Days Vs Air Quality
Galveston, Texas, United States
79%
172
21%
47
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 220 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
Galveston, Texas, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
31AQI
33AQI
37AQI
39AQI
26AQI
24AQI
26AQI
30AQI
21AQI
28AQI
26AQI
26AQI
25AQI
24AQI
32AQI
33AQI
27AQI
25AQI
25AQI
28AQI
30AQI
35AQI
31AQI
29AQI
38AQI
23AQI
40AQI
32AQI
27AQI
31AQI
43AQI
33AQI
27AQI
22AQI
24AQI
30AQI
28AQI
37AQI
29AQI
44AQI
37AQI
34AQI
28AQI
29AQI
44AQI
32AQI
32AQI
31AQI
23AQI
32AQI
28AQI
31AQI
29AQI
31AQI
26AQI
27AQI
34AQI
40AQI
44AQI
46AQI
42AQI
49AQI
46AQI
32AQI
34AQI
41AQI
38AQI
33AQI
34AQI
38AQI
44AQI
66AQI
78AQI
37AQI
38AQI
33AQI
49AQI
30AQI
32AQI
28AQI
44AQI
37AQI
36AQI
39AQI
36AQI
39AQI
42AQI
48AQI
55AQI
59AQI
55AQI
57AQI
57AQI
54AQI
24AQI
24AQI
34AQI
31AQI
26AQI
33AQI
39AQI
34AQI
34AQI
37AQI
32AQI
31AQI
46AQI
56AQI
56AQI
44AQI
48AQI
51AQI
56AQI
57AQI
45AQI
37AQI
32AQI
31AQI
49AQI
51AQI
42AQI
32AQI
27AQI
32AQI
42AQI
43AQI
33AQI
28AQI
31AQI
32AQI
32AQI
39AQI
44AQI
52AQI
52AQI
50AQI
48AQI
52AQI
54AQI
43AQI
41AQI
38AQI
46AQI
56AQI
52AQI
34AQI
30AQI
27AQI
35AQI
44AQI
44AQI
46AQI
39AQI
38AQI
48AQI
53AQI
60AQI
49AQI
53AQI
52AQI
41AQI
31AQI
48AQI
54AQI
53AQI
42AQI
50AQI
57AQI
55AQI
55AQI
56AQI
55AQI
37AQI
29AQI
23AQI
22AQI
23AQI
27AQI
39AQI
57AQI
57AQI
63AQI
53AQI
51AQI
66AQI
62AQI
58AQI
52AQI
40AQI
53AQI
52AQI
46AQI
36AQI
33AQI
47AQI
53AQI
50AQI
43AQI
37AQI
44AQI
40AQI
35AQI
33AQI
32AQI
28AQI
32AQI
36AQI
55AQI
57AQI
58AQI
52AQI
47AQI
38AQI
42AQI
42AQI
41AQI
31AQI
26AQI
30AQI
32AQI
42AQI
42AQI
41AQI
45AQI
47AQI
38AQI
No. of days
202540AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January30AQI
202437AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
September28AQI
202343AQI
Highest AQI recorded in
May54AQI
Lowest AQI recorded in
December36AQI
202233AQI
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
January23AQI
202125AQI
Highest AQI recorded in
April31AQI
Lowest AQI recorded in
July17AQI
202032AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Galveston's annual 2025 AQI (40) shows an average percentage change of 19.9% (worsened AQI) compared to previous years: 2020 (32), 2021 (25), 2022 (33), 2023 (43), 2024 (37).