1020, Chiang Rai, Chiang Rai, Thailand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
1020, Chiang Rai, Chiang Rai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (15th February):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 95 of Moderate air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Feb - 15th Feb 2026
1020, Chiang Rai, Chiang Rai, Thailand
6 AM14th Feb 2026
6 PM
5 AM15th Feb 2026
106AQI
62AQI
102AQI
60AQI
In the last 24 hours,
1020's AQI reached its highest point of 106 at 7 AM during the Day, while the lowest point, 60, was recorded at 7 PM during the Night between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
1020, Chiang Rai, Chiang Rai, Thailand
22°C15/30°C
22°C14/31°C
21°C14/31°C
20°C12/31°C
21°C13/31°C
21°C13/31°C
21°C14/31°C
21°C13/30°C
21°C13/31°C
21°C14/31°C
21°C13/32°C
21°C14/32°C
22°C14/32°C
22°C14/32°C
22°C14/33°C
22°C14/33°C
22°C15/33°C
22°C14/32°C
22°C14/32°C
23°C15/33°C
23°C15/33°C
23°C15/34°C
24°C16/33°C
22°C16/30°C
23°C16/33°C
24°C17/34°C
24°C17/35°C
25°C17/35°C
25°C16/35°C
24°C17/35°C
116AQI
74AQI
91AQI
77AQI
2026 Days Vs Air Quality
1020, Chiang Rai, Chiang Rai, Thailand
87%
40
13%
6
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 47 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
1020, Chiang Rai, Chiang Rai, Thailand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
109AQI (US)
92AQI (US)
80AQI (US)
75AQI (US)
74AQI (US)
71AQI (US)
75AQI (US)
71AQI (US)
69AQI (US)
81AQI (US)
87AQI (US)
97AQI (US)
86AQI (US)
94AQI (US)
92AQI (US)
90AQI (US)
90AQI (US)
89AQI (US)
89AQI (US)
85AQI (US)
85AQI (US)
81AQI (US)
81AQI (US)
84AQI (US)
86AQI (US)
93AQI (US)
94AQI (US)
99AQI (US)
102AQI (US)
103AQI (US)
108AQI (US)
108AQI (US)
96AQI (US)
85AQI (US)
80AQI (US)
85AQI (US)
100AQI (US)
107AQI (US)
99AQI (US)
77AQI (US)
76AQI (US)
86AQI (US)
80AQI (US)
79AQI (US)
80AQI (US)
95AQI (US)
87AQI (US)
89AQI (US)
No. of days
202688AQI (US)
Highest AQI (US) recorded in
February89AQI (US)
Lowest AQI (US) recorded in
January87AQI (US)
202571AQI (US)
Highest AQI (US) recorded in
March122AQI (US)
Lowest AQI (US) recorded in
July37AQI (US)
202478AQI (US)
Highest AQI (US) recorded in
March154AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202394AQI (US)
Highest AQI (US) recorded in
April202AQI (US)
Lowest AQI (US) recorded in
July22AQI (US)
202284AQI (US)
Highest AQI (US) recorded in
December98AQI (US)
Lowest AQI (US) recorded in
November70AQI (US)
Most & Least Polluted Years Over the Last 5 Years
1020's annual 2026 AQI (US) (88) shows an average percentage change of 8.5% (worsened AQI (US)) compared to previous years: 2022 (84), 2023 (94), 2024 (78), 2025 (71).