Por 4009, Phrae, Phrae, 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
Por 4009, Phrae, Phrae, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 104 of Poor air quality, showing improvement over 2025 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Por 4009, Phrae, Phrae, Thailand
6 AM16th Feb 2026
6 PM
5 AM17th Feb 2026
156AQI
85AQI
138AQI
90AQI
In the last 24 hours,
Por 4009's AQI reached its highest point of 156 at 11 AM during the Day, while the lowest point, 85, was recorded at 8 AM during the Day between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Por 4009, Phrae, Phrae, Thailand
24°C17/34°C
23°C15/34°C
23°C16/33°C
23°C16/32°C
23°C16/32°C
23°C16/32°C
23°C16/32°C
23°C16/33°C
23°C16/33°C
24°C16/33°C
24°C17/33°C
24°C17/34°C
24°C17/35°C
25°C17/34°C
24°C18/34°C
24°C16/33°C
24°C16/34°C
25°C17/35°C
26°C18/36°C
26°C18/36°C
26°C19/35°C
25°C19/32°C
26°C19/35°C
27°C20/36°C
28°C21/36°C
28°C20/37°C
27°C20/37°C
27°C20/37°C
28°C21/38°C
29°C21/39°C
112AQI
62AQI
102AQI
76AQI
2026 Days Vs Air Quality
Por 4009, Phrae, Phrae, Thailand
83%
40
17%
8
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 49 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
Por 4009, Phrae, Phrae, Thailand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI (US)
75AQI (US)
61AQI (US)
57AQI (US)
62AQI (US)
69AQI (US)
60AQI (US)
57AQI (US)
69AQI (US)
63AQI (US)
67AQI (US)
71AQI (US)
69AQI (US)
80AQI (US)
79AQI (US)
78AQI (US)
76AQI (US)
62AQI (US)
67AQI (US)
70AQI (US)
66AQI (US)
66AQI (US)
83AQI (US)
81AQI (US)
77AQI (US)
85AQI (US)
88AQI (US)
92AQI (US)
103AQI (US)
105AQI (US)
121AQI (US)
103AQI (US)
87AQI (US)
71AQI (US)
73AQI (US)
80AQI (US)
83AQI (US)
79AQI (US)
85AQI (US)
86AQI (US)
77AQI (US)
79AQI (US)
92AQI (US)
98AQI (US)
107AQI (US)
117AQI (US)
118AQI (US)
104AQI (US)
75AQI (US)
91AQI (US)
No. of days
202681AQI (US)
Highest AQI (US) recorded in
February91AQI (US)
Lowest AQI (US) recorded in
January75AQI (US)
202575AQI (US)
Highest AQI (US) recorded in
March125AQI (US)
Lowest AQI (US) recorded in
September50AQI (US)
202463AQI (US)
Highest AQI (US) recorded in
March133AQI (US)
Lowest AQI (US) recorded in
July45AQI (US)
2023125AQI (US)
Highest AQI (US) recorded in
March168AQI (US)
Lowest AQI (US) recorded in
December76AQI (US)
202287AQI (US)
Highest AQI (US) recorded in
December114AQI (US)
Lowest AQI (US) recorded in
November62AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Por 4009's annual 2026 AQI (US) (81) shows an average percentage change of -1.6% (improved AQI (US)) compared to previous years: 2022 (87), 2023 (125), 2024 (63), 2025 (75).