Institute Of Posts And Telecommunications, Changchun, Jilin, China 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
Institute Of Posts And Telecommunications, Changchun, Jilin, China
AQI Trends: Highest and Lowest
Same Day Analysis (6th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 55 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: 5th Feb - 6th Feb 2026
Institute Of Posts And Telecommunications, Changchun, Jilin, China
9 AM5th Feb 2026
6 PM
8 AM6th Feb 2026
140AQI
56AQI
125AQI
27AQI
In the last 24 hours,
Institute Of Posts And Telecommunications's AQI reached its highest point of 140 at 2 PM during the Day, while the lowest point, 27, was recorded at 5 AM during the Night between 5th Feb and 6th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Institute Of Posts And Telecommunications, Changchun, Jilin, China
-15°C-23/-10°C
-9°C-12/-7°C
-15°C-18/-13°C
-17°C-20/-14°C
-13°C-16/-7°C
-19°C-22/-16°C
-16°C-24/-9°C
-16°C-25/-13°C
-20°C-27/-15°C
-22°C-27/-17°C
-22°C-28/-15°C
-25°C-30/-17°C
-25°C-29/-19°C
-25°C-30/-18°C
-23°C-27/-17°C
-21°C-25/-15°C
-22°C-27/-15°C
-22°C-27/-14°C
-17°C-22/-12°C
-17°C-23/-13°C
-20°C-26/-13°C
-21°C-26/-14°C
-21°C-25/-13°C
-20°C-25/-12°C
-18°C-23/-10°C
-17°C-22/-9°C
-9°C-15/-1°C
-11°C-15/-5°C
-15°C-19/-12°C
-20°C-25/-17°C
101AQI
82AQI
107AQI
92AQI
2026 Days Vs Air Quality
Institute Of Posts And Telecommunications, Changchun, Jilin, China
41%
15
57%
21
3%
1
Total number of days with different AQI categories in last 38 days in 2026 (327 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 38 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
Institute Of Posts And Telecommunications, Changchun, Jilin, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
98AQI (US)
130AQI (US)
148AQI (US)
159AQI (US)
102AQI (US)
96AQI (US)
63AQI (US)
101AQI (US)
113AQI (US)
131AQI (US)
102AQI (US)
85AQI (US)
64AQI (US)
88AQI (US)
100AQI (US)
124AQI (US)
101AQI (US)
93AQI (US)
76AQI (US)
84AQI (US)
105AQI (US)
77AQI (US)
69AQI (US)
96AQI (US)
110AQI (US)
126AQI (US)
103AQI (US)
124AQI (US)
108AQI (US)
137AQI (US)
130AQI (US)
124AQI (US)
112AQI (US)
57AQI (US)
102AQI (US)
117AQI (US)
55AQI (US)
105AQI (US)
95AQI (US)
No. of days
2026103AQI (US)
Highest AQI (US) recorded in
January105AQI (US)
Lowest AQI (US) recorded in
February95AQI (US)
202588AQI (US)
Highest AQI (US) recorded in
November128AQI (US)
Lowest AQI (US) recorded in
August47AQI (US)
202486AQI (US)
Highest AQI (US) recorded in
April131AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202387AQI (US)
Highest AQI (US) recorded in
March126AQI (US)
Lowest AQI (US) recorded in
August40AQI (US)
202282AQI (US)
Highest AQI (US) recorded in
January131AQI (US)
Lowest AQI (US) recorded in
July45AQI (US)
202197AQI (US)
Highest AQI (US) recorded in
March137AQI (US)
Lowest AQI (US) recorded in
June63AQI (US)
202087AQI (US)
Highest AQI (US) recorded in
April192AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Institute Of Posts And Telecommunications's annual 2026 AQI (US) (103) shows an average percentage change of 17.5% (worsened AQI (US)) compared to previous years: 2020 (87), 2021 (97), 2022 (82), 2023 (87), 2024 (86), 2025 (88).