Toll Office, Urumqi, Xinjiang, 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
Toll Office, Urumqi, Xinjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (9th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 111 of Poor air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Feb - 9th Feb 2026
Toll Office, Urumqi, Xinjiang, China
7 AM8th Feb 2026
5 PM
6 AM9th Feb 2026
164AQI
88AQI
145AQI
76AQI
In the last 24 hours,
Toll Office's AQI reached its highest point of 164 at 9 AM during the Day, while the lowest point, 76, was recorded at 9 PM during the Night between 8th Feb and 9th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Toll Office, Urumqi, Xinjiang, China
-8°C-12/-3°C
-6°C-9/-2°C
-3°C-5/1°C
-7°C-10/-4°C
-13°C-15/-10°C
-14°C-16/-12°C
-19°C-23/-16°C
-22°C-24/-19°C
-22°C-25/-17°C
-20°C-24/-13°C
-16°C-21/-11°C
-15°C-18/-9°C
-15°C-19/-10°C
-10°C-14/-5°C
-12°C-15/-8°C
-10°C-15/-3°C
-10°C-13/-4°C
-9°C-12/-6°C
-6°C-10/-2°C
-8°C-12/-3°C
-9°C-12/-3°C
-9°C-12/-3°C
-8°C-12/-3°C
-7°C-10/-1°C
-6°C-10/0°C
-6°C-10/-1°C
-7°C-10/-1°C
-8°C-12/-4°C
-8°C-12/-5°C
-6°C-11/1°C
134AQI
131AQI
154AQI
129AQI
2026 Days Vs Air Quality
Toll Office, Urumqi, Xinjiang, China
15%
6
23%
9
63%
25
Total number of days with different AQI categories in last 41 days in 2026 (324 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 41 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
Toll Office, Urumqi, Xinjiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
158AQI (US)
155AQI (US)
157AQI (US)
160AQI (US)
182AQI (US)
153AQI (US)
179AQI (US)
141AQI (US)
157AQI (US)
180AQI (US)
167AQI (US)
142AQI (US)
90AQI (US)
132AQI (US)
134AQI (US)
107AQI (US)
79AQI (US)
92AQI (US)
153AQI (US)
158AQI (US)
165AQI (US)
190AQI (US)
173AQI (US)
157AQI (US)
157AQI (US)
162AQI (US)
163AQI (US)
177AQI (US)
177AQI (US)
160AQI (US)
157AQI (US)
150AQI (US)
155AQI (US)
83AQI (US)
73AQI (US)
100AQI (US)
159AQI (US)
142AQI (US)
129AQI (US)
111AQI (US)
152AQI (US)
122AQI (US)
No. of days
2026145AQI (US)
Highest AQI (US) recorded in
January152AQI (US)
Lowest AQI (US) recorded in
February122AQI (US)
202591AQI (US)
Highest AQI (US) recorded in
January161AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
202487AQI (US)
Highest AQI (US) recorded in
February148AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202398AQI (US)
Highest AQI (US) recorded in
February196AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
202293AQI (US)
Highest AQI (US) recorded in
January183AQI (US)
Lowest AQI (US) recorded in
June55AQI (US)
2021100AQI (US)
Highest AQI (US) recorded in
February157AQI (US)
Lowest AQI (US) recorded in
June60AQI (US)
2020102AQI (US)
Highest AQI (US) recorded in
December194AQI (US)
Lowest AQI (US) recorded in
July56AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Toll Office's annual 2026 AQI (US) (145) shows an average percentage change of 53.08% (worsened AQI (US)) compared to previous years: 2020 (102), 2021 (100), 2022 (93), 2023 (98), 2024 (87), 2025 (91).