Phan District, 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 District, Chiang Rai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Phan District, Chiang Rai, Thailand
5 AM1st Aug 2025
7 PM
4 AM2nd Aug 2025
61AQI
44AQI
56AQI
51AQI
In the last 24 hours,
Phan District's AQI reached its highest point of 61 at 12 PM during the Day, while the lowest point, 44, was recorded at 3 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Phan District, Chiang Rai, Thailand
21°C20/24°C
21°C19/24°C
23°C20/27°C
22°C20/27°C
23°C20/27°C
24°C20/30°C
24°C19/31°C
22°C20/28°C
21°C20/23°C
22°C20/26°C
23°C20/29°C
24°C20/30°C
23°C21/28°C
21°C20/23°C
21°C19/23°C
23°C19/28°C
24°C19/30°C
24°C20/31°C
24°C19/30°C
22°C20/23°C
21°C20/22°C
22°C20/26°C
22°C20/26°C
22°C20/25°C
23°C21/26°C
22°C20/24°C
23°C21/29°C
25°C20/31°C
24°C20/31°C
24°C21/31°C
--°C/°C
44AQI
40AQI
45AQI
45AQI
2025 Days Vs Air Quality
Phan District, Chiang Rai, Thailand
21%
44
47%
101
29%
62
3%
6
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Phan District, Chiang Rai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
84AQI
77AQI
76AQI
83AQI
85AQI
93AQI
83AQI
95AQI
90AQI
95AQI
84AQI
82AQI
95AQI
90AQI
94AQI
90AQI
85AQI
87AQI
86AQI
91AQI
94AQI
89AQI
94AQI
95AQI
88AQI
97AQI
81AQI
82AQI
93AQI
101AQI
97AQI
96AQI
95AQI
96AQI
101AQI
99AQI
106AQI
104AQI
101AQI
87AQI
96AQI
91AQI
90AQI
101AQI
97AQI
98AQI
107AQI
106AQI
106AQI
95AQI
96AQI
91AQI
93AQI
90AQI
73AQI
67AQI
61AQI
64AQI
71AQI
68AQI
75AQI
88AQI
99AQI
119AQI
118AQI
127AQI
113AQI
102AQI
89AQI
97AQI
102AQI
99AQI
101AQI
124AQI
122AQI
134AQI
114AQI
98AQI
93AQI
109AQI
119AQI
144AQI
131AQI
135AQI
120AQI
140AQI
161AQI
158AQI
163AQI
159AQI
152AQI
151AQI
146AQI
147AQI
146AQI
137AQI
108AQI
97AQI
128AQI
130AQI
125AQI
98AQI
83AQI
61AQI
69AQI
73AQI
60AQI
58AQI
58AQI
62AQI
66AQI
75AQI
88AQI
96AQI
106AQI
108AQI
109AQI
82AQI
75AQI
70AQI
79AQI
110AQI
100AQI
101AQI
101AQI
104AQI
122AQI
125AQI
114AQI
134AQI
118AQI
114AQI
103AQI
106AQI
86AQI
85AQI
92AQI
83AQI
94AQI
102AQI
105AQI
107AQI
97AQI
89AQI
90AQI
93AQI
91AQI
87AQI
81AQI
106AQI
99AQI
107AQI
98AQI
96AQI
116AQI
112AQI
107AQI
115AQI
103AQI
101AQI
96AQI
88AQI
83AQI
91AQI
99AQI
101AQI
85AQI
77AQI
39AQI
39AQI
43AQI
44AQI
47AQI
41AQI
41AQI
43AQI
46AQI
43AQI
44AQI
44AQI
47AQI
48AQI
47AQI
50AQI
44AQI
44AQI
44AQI
40AQI
44AQI
46AQI
44AQI
44AQI
44AQI
40AQI
41AQI
43AQI
44AQI
43AQI
42AQI
41AQI
41AQI
42AQI
45AQI
42AQI
37AQI
36AQI
40AQI
40AQI
37AQI
37AQI
41AQI
47AQI
53AQI
89AQI
92AQI
117AQI
99AQI
101AQI
75AQI
43AQI
53AQI
No. of days
202588AQI
Highest AQI recorded in
March117AQI
Lowest AQI recorded in
July43AQI
202479AQI
Highest AQI recorded in
March183AQI
Lowest AQI recorded in
July36AQI
2023109AQI
Highest AQI recorded in
April246AQI
Lowest AQI recorded in
July24AQI
202278AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
November68AQI
Most & Least Polluted Years Over the Last 4 Years
Phan District's annual 2025 AQI (88) shows an average percentage change of 1.1% (worsened AQI) compared to previous years: 2022 (78), 2023 (109), 2024 (79).