Rayong, Rayong, Thailand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Rayong, Rayong, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (6th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Sep - 8th Sep 2025
Rayong, Rayong, Thailand
6 AM7th Sep 2025
6 PM
5 AM8th Sep 2025
AQI
AQI
56AQI
37AQI
In the last 24 hours,
Rayong's AQI reached its highest point of 56 at 8 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 7th Sep and 8th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Rayong, Rayong, Thailand
30°C28/32°C
30°C28/33°C
28°C27/30°C
28°C27/30°C
28°C27/31°C
29°C27/32°C
28°C26/31°C
26°C25/26°C
26°C25/29°C
28°C27/30°C
28°C27/30°C
29°C27/31°C
29°C27/31°C
26°C25/27°C
28°C26/30°C
28°C26/30°C
28°C26/30°C
27°C26/29°C
28°C26/30°C
29°C27/32°C
29°C27/32°C
29°C27/31°C
29°C27/31°C
28°C26/31°C
28°C27/29°C
27°C25/29°C
27°C25/30°C
29°C27/31°C
29°C27/31°C
--°C/°C
--°C/°C
54AQI
48AQI
55AQI
53AQI
2025 Days Vs Air Quality
Rayong, Rayong, Thailand
6%
14
81%
201
14%
34
Total number of days with different AQI categories in last 250 days in 2025 (115 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 250 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Rayong, Rayong, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
77AQI
78AQI
83AQI
86AQI
92AQI
111AQI
115AQI
118AQI
82AQI
75AQI
80AQI
95AQI
111AQI
98AQI
63AQI
79AQI
101AQI
110AQI
120AQI
131AQI
134AQI
149AQI
149AQI
136AQI
118AQI
98AQI
91AQI
91AQI
117AQI
120AQI
122AQI
122AQI
112AQI
102AQI
110AQI
105AQI
107AQI
109AQI
90AQI
90AQI
112AQI
127AQI
123AQI
119AQI
126AQI
91AQI
89AQI
74AQI
83AQI
87AQI
90AQI
91AQI
91AQI
73AQI
72AQI
77AQI
92AQI
91AQI
84AQI
80AQI
78AQI
69AQI
65AQI
65AQI
63AQI
67AQI
71AQI
85AQI
89AQI
72AQI
71AQI
75AQI
71AQI
66AQI
66AQI
78AQI
83AQI
106AQI
106AQI
118AQI
132AQI
127AQI
107AQI
89AQI
89AQI
86AQI
83AQI
70AQI
66AQI
68AQI
73AQI
59AQI
64AQI
56AQI
60AQI
60AQI
63AQI
62AQI
62AQI
66AQI
55AQI
52AQI
54AQI
55AQI
56AQI
56AQI
51AQI
49AQI
47AQI
53AQI
53AQI
53AQI
48AQI
53AQI
50AQI
53AQI
54AQI
52AQI
63AQI
65AQI
69AQI
65AQI
60AQI
59AQI
58AQI
53AQI
57AQI
56AQI
58AQI
56AQI
54AQI
55AQI
52AQI
54AQI
55AQI
58AQI
60AQI
58AQI
60AQI
59AQI
60AQI
58AQI
52AQI
52AQI
50AQI
50AQI
51AQI
52AQI
56AQI
60AQI
60AQI
58AQI
56AQI
58AQI
60AQI
61AQI
61AQI
54AQI
55AQI
56AQI
57AQI
55AQI
54AQI
55AQI
52AQI
52AQI
50AQI
53AQI
54AQI
54AQI
54AQI
56AQI
55AQI
54AQI
53AQI
56AQI
54AQI
53AQI
53AQI
53AQI
53AQI
55AQI
53AQI
56AQI
55AQI
56AQI
56AQI
57AQI
56AQI
58AQI
56AQI
58AQI
58AQI
61AQI
58AQI
53AQI
53AQI
49AQI
52AQI
48AQI
50AQI
53AQI
54AQI
57AQI
58AQI
60AQI
59AQI
58AQI
59AQI
56AQI
58AQI
56AQI
54AQI
52AQI
53AQI
54AQI
55AQI
53AQI
53AQI
53AQI
52AQI
54AQI
51AQI
49AQI
53AQI
52AQI
50AQI
50AQI
54AQI
54AQI
56AQI
58AQI
55AQI
54AQI
51AQI
53AQI
52AQI
54AQI
53AQI
55AQI
54AQI
50AQI
51AQI
52AQI
52AQI
55AQI
52AQI
53AQI
103AQI
99AQI
83AQI
57AQI
57AQI
55AQI
56AQI
53AQI
53AQI
No. of days
202570AQI
Highest AQI recorded in
January103AQI
Lowest AQI recorded in
September53AQI
202460AQI
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
September42AQI
202368AQI
Highest AQI recorded in
February103AQI
Lowest AQI recorded in
August35AQI
202263AQI
Highest AQI recorded in
December93AQI
Lowest AQI recorded in
May39AQI
202156AQI
Highest AQI recorded in
February103AQI
Lowest AQI recorded in
August29AQI
202042AQI
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
June31AQI
Most & Least Polluted Years Over the Last 6 Years
Rayong's annual 2025 AQI (70) shows an average percentage change of 24.3% (worsened AQI) compared to previous years: 2020 (42), 2021 (56), 2022 (63), 2023 (68), 2024 (60).