Phan, Chiang Rai, Thailand 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
Phan, Chiang Rai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (5th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Phan, Chiang Rai, Thailand
5 AM4th Aug 2026
7 PM
4 AM5th Aug 2026
46AQI
21AQI
44AQI
25AQI
In the last 24 hours,
Phan's AQI reached its highest point of 46 at 11 AM during the Day, while the lowest point, 21, was recorded at 5 PM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Phan, Chiang Rai, Thailand
24°C20/29°C
22°C19/27°C
21°C20/25°C
22°C20/27°C
24°C20/30°C
23°C21/27°C
23°C21/27°C
23°C20/29°C
23°C20/28°C
22°C20/28°C
21°C20/25°C
21°C18/26°C
22°C19/30°C
23°C18/31°C
22°C19/27°C
22°C20/28°C
24°C20/31°C
24°C20/31°C
23°C20/29°C
23°C20/28°C
24°C20/29°C
23°C21/28°C
22°C20/26°C
22°C20/28°C
22°C20/27°C
23°C20/26°C
23°C21/29°C
23°C20/27°C
23°C20/28°C
22°C20/24°C
30AQI
23AQI
29AQI
22AQI
2026 Days Vs Air Quality
Phan, Chiang Rai, Thailand
36%
78
38%
82
13%
29
13%
28
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2026, 36% of 217 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Phan, Chiang Rai, Thailand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
99AQI (US)
89AQI (US)
74AQI (US)
67AQI (US)
66AQI (US)
62AQI (US)
69AQI (US)
70AQI (US)
71AQI (US)
74AQI (US)
82AQI (US)
91AQI (US)
89AQI (US)
91AQI (US)
91AQI (US)
82AQI (US)
78AQI (US)
82AQI (US)
82AQI (US)
81AQI (US)
80AQI (US)
85AQI (US)
93AQI (US)
96AQI (US)
97AQI (US)
102AQI (US)
102AQI (US)
104AQI (US)
108AQI (US)
113AQI (US)
112AQI (US)
118AQI (US)
107AQI (US)
78AQI (US)
80AQI (US)
90AQI (US)
103AQI (US)
107AQI (US)
100AQI (US)
92AQI (US)
86AQI (US)
89AQI (US)
82AQI (US)
80AQI (US)
87AQI (US)
94AQI (US)
94AQI (US)
95AQI (US)
109AQI (US)
101AQI (US)
69AQI (US)
92AQI (US)
102AQI (US)
107AQI (US)
94AQI (US)
45AQI (US)
31AQI (US)
70AQI (US)
84AQI (US)
85AQI (US)
88AQI (US)
104AQI (US)
125AQI (US)
148AQI (US)
134AQI (US)
113AQI (US)
109AQI (US)
113AQI (US)
101AQI (US)
86AQI (US)
83AQI (US)
53AQI (US)
68AQI (US)
86AQI (US)
92AQI (US)
84AQI (US)
93AQI (US)
105AQI (US)
91AQI (US)
116AQI (US)
91AQI (US)
76AQI (US)
118AQI (US)
133AQI (US)
154AQI (US)
161AQI (US)
160AQI (US)
167AQI (US)
170AQI (US)
170AQI (US)
179AQI (US)
195AQI (US)
182AQI (US)
189AQI (US)
191AQI (US)
180AQI (US)
165AQI (US)
153AQI (US)
160AQI (US)
152AQI (US)
158AQI (US)
162AQI (US)
172AQI (US)
173AQI (US)
155AQI (US)
167AQI (US)
171AQI (US)
188AQI (US)
167AQI (US)
155AQI (US)
157AQI (US)
157AQI (US)
144AQI (US)
135AQI (US)
118AQI (US)
98AQI (US)
91AQI (US)
69AQI (US)
70AQI (US)
92AQI (US)
82AQI (US)
91AQI (US)
70AQI (US)
63AQI (US)
70AQI (US)
56AQI (US)
60AQI (US)
17AQI (US)
50AQI (US)
17AQI (US)
24AQI (US)
17AQI (US)
9AQI (US)
35AQI (US)
34AQI (US)
93AQI (US)
88AQI (US)
70AQI (US)
55AQI (US)
65AQI (US)
70AQI (US)
66AQI (US)
39AQI (US)
55AQI (US)
55AQI (US)
41AQI (US)
27AQI (US)
58AQI (US)
23AQI (US)
10AQI (US)
27AQI (US)
42AQI (US)
56AQI (US)
51AQI (US)
50AQI (US)
16AQI (US)
12AQI (US)
17AQI (US)
20AQI (US)
21AQI (US)
10AQI (US)
9AQI (US)
5AQI (US)
10AQI (US)
21AQI (US)
19AQI (US)
18AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
11AQI (US)
10AQI (US)
13AQI (US)
14AQI (US)
20AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
17AQI (US)
12AQI (US)
17AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
18AQI (US)
14AQI (US)
19AQI (US)
21AQI (US)
17AQI (US)
18AQI (US)
17AQI (US)
20AQI (US)
12AQI (US)
22AQI (US)
22AQI (US)
25AQI (US)
32AQI (US)
59AQI (US)
54AQI (US)
42AQI (US)
36AQI (US)
14AQI (US)
14AQI (US)
25AQI (US)
35AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
15AQI (US)
14AQI (US)
23AQI (US)
28AQI (US)
29AQI (US)
32AQI (US)
36AQI (US)
87AQI (US)
89AQI (US)
112AQI (US)
152AQI (US)
50AQI (US)
22AQI (US)
24AQI (US)
30AQI (US)
No. of days
202675AQI (US)
Highest AQI (US) recorded in
April152AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202572AQI (US)
Highest AQI (US) recorded in
March127AQI (US)
Lowest AQI (US) recorded in
July40AQI (US)
202458AQI (US)
Highest AQI (US) recorded in
April182AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
2023106AQI (US)
Highest AQI (US) recorded in
February175AQI (US)
Lowest AQI (US) recorded in
April40AQI (US)
2022117AQI (US)
Highest AQI (US) recorded in
December136AQI (US)
Lowest AQI (US) recorded in
November99AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Phan's annual 2026 AQI (US) (75) shows an average percentage change of -7.9% (improved AQI (US)) compared to previous years: 2022 (117), 2023 (106), 2024 (58), 2025 (72).