Zhouzhi County Environmental Protection Bureau, Xianyang, Shaanxi, 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
Zhouzhi County Environmental Protection Bureau, Xianyang, Shaanxi, China
AQI Trends: Highest and Lowest
Same Day Analysis (6th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 162 of Unhealthy air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Feb - 6th Feb 2026
Zhouzhi County Environmental Protection Bureau, Xianyang, Shaanxi, China
7 AM5th Feb 2026
6 PM
6 AM6th Feb 2026
168AQI
151AQI
176AQI
162AQI
In the last 24 hours,
Zhouzhi County Environmental Protection Bureau's AQI reached its highest point of 176 at 5 AM during the Night, while the lowest point, 151, was recorded at 7 AM during the Day between 5th Feb and 6th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Zhouzhi County Environmental Protection Bureau, Xianyang, Shaanxi, China
3°C-1/7°C
5°C1/11°C
4°C1/7°C
2°C-2/6°C
6°C1/13°C
7°C3/12°C
8°C5/13°C
8°C3/15°C
7°C3/12°C
5°C1/10°C
3°C1/5°C
1°C-3/3°C
-2°C-4/1°C
-1°C-4/3°C
-1°C-5/4°C
2°C-3/8°C
3°C-1/9°C
4°C0/10°C
4°C1/10°C
4°C0/10°C
4°C1/10°C
3°C1/4°C
2°C0/6°C
5°C1/10°C
5°C0/10°C
5°C1/11°C
6°C1/12°C
8°C4/13°C
8°C5/12°C
7°C4/12°C
150AQI
130AQI
152AQI
132AQI
2026 Days Vs Air Quality
Zhouzhi County Environmental Protection Bureau, Xianyang, Shaanxi, China
8%
3
46%
17
46%
17
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
Zhouzhi County Environmental Protection Bureau, Xianyang, Shaanxi, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
124AQI (US)
165AQI (US)
174AQI (US)
142AQI (US)
114AQI (US)
103AQI (US)
109AQI (US)
122AQI (US)
121AQI (US)
89AQI (US)
98AQI (US)
128AQI (US)
144AQI (US)
143AQI (US)
148AQI (US)
142AQI (US)
160AQI (US)
168AQI (US)
109AQI (US)
69AQI (US)
124AQI (US)
151AQI (US)
161AQI (US)
181AQI (US)
185AQI (US)
157AQI (US)
117AQI (US)
172AQI (US)
145AQI (US)
120AQI (US)
159AQI (US)
156AQI (US)
162AQI (US)
161AQI (US)
160AQI (US)
160AQI (US)
162AQI (US)
137AQI (US)
160AQI (US)
No. of days
2026141AQI (US)
Highest AQI (US) recorded in
February160AQI (US)
Lowest AQI (US) recorded in
January137AQI (US)
2025108AQI (US)
Highest AQI (US) recorded in
January160AQI (US)
Lowest AQI (US) recorded in
August57AQI (US)
2024115AQI (US)
Highest AQI (US) recorded in
February170AQI (US)
Lowest AQI (US) recorded in
July71AQI (US)
2023116AQI (US)
Highest AQI (US) recorded in
January162AQI (US)
Lowest AQI (US) recorded in
June60AQI (US)
2022106AQI (US)
Highest AQI (US) recorded in
January182AQI (US)
Lowest AQI (US) recorded in
July66AQI (US)
2021111AQI (US)
Highest AQI (US) recorded in
March191AQI (US)
Lowest AQI (US) recorded in
September59AQI (US)
202099AQI (US)
Highest AQI (US) recorded in
December149AQI (US)
Lowest AQI (US) recorded in
August67AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Zhouzhi County Environmental Protection Bureau's annual 2026 AQI (US) (141) shows an average percentage change of 29.09% (worsened AQI (US)) compared to previous years: 2020 (99), 2021 (111), 2022 (106), 2023 (116), 2024 (115), 2025 (108).