Tongchuanshi, Shaanxi, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Tongchuanshi, Shaanxi, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 61 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Tongchuanshi, Shaanxi, China
6 AM14th Oct 2025
6 PM
5 AM15th Oct 2025
AQI
AQI
92AQI
59AQI
In the last 24 hours,
Tongchuanshi's AQI reached its highest point of 92 at 3 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tongchuanshi, Shaanxi, China
23°C20/28°C
21°C19/24°C
15°C13/17°C
12°C10/14°C
12°C10/16°C
15°C10/20°C
12°C10/14°C
12°C10/14°C
14°C11/18°C
16°C11/22°C
16°C13/22°C
16°C13/19°C
15°C14/16°C
15°C13/17°C
17°C13/22°C
19°C14/24°C
15°C12/17°C
14°C12/17°C
15°C12/19°C
14°C14/15°C
14°C13/16°C
14°C13/15°C
14°C14/16°C
17°C15/21°C
17°C14/19°C
13°C12/14°C
12°C11/13°C
12°C11/14°C
13°C10/18°C
--°C/°C
--°C/°C
54AQI
52AQI
58AQI
53AQI
2025 Days Vs Air Quality
Tongchuanshi, Shaanxi, China
7%
19
65%
187
23%
66
4%
12
0.7%
2
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 7%
Health Risk Level:
Extreme
In 2025, 7% of 287 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
Tongchuanshi, Shaanxi, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
103AQI
109AQI
113AQI
124AQI
104AQI
85AQI
77AQI
74AQI
78AQI
90AQI
82AQI
91AQI
107AQI
75AQI
75AQI
86AQI
100AQI
107AQI
103AQI
111AQI
116AQI
154AQI
171AQI
166AQI
105AQI
100AQI
84AQI
104AQI
127AQI
135AQI
156AQI
165AQI
121AQI
91AQI
83AQI
66AQI
79AQI
66AQI
58AQI
79AQI
92AQI
102AQI
84AQI
93AQI
90AQI
87AQI
86AQI
92AQI
98AQI
116AQI
121AQI
136AQI
119AQI
78AQI
95AQI
95AQI
97AQI
108AQI
113AQI
132AQI
96AQI
77AQI
90AQI
96AQI
101AQI
109AQI
107AQI
102AQI
110AQI
146AQI
143AQI
118AQI
114AQI
75AQI
72AQI
65AQI
62AQI
62AQI
65AQI
75AQI
83AQI
107AQI
235AQI
112AQI
169AQI
142AQI
139AQI
101AQI
101AQI
95AQI
89AQI
87AQI
108AQI
119AQI
97AQI
113AQI
107AQI
116AQI
111AQI
97AQI
146AQI
162AQI
117AQI
89AQI
87AQI
151AQI
124AQI
141AQI
125AQI
116AQI
128AQI
153AQI
120AQI
100AQI
102AQI
96AQI
82AQI
71AQI
79AQI
142AQI
114AQI
116AQI
90AQI
106AQI
193AQI
227AQI
162AQI
141AQI
110AQI
100AQI
83AQI
86AQI
80AQI
98AQI
91AQI
101AQI
184AQI
119AQI
116AQI
107AQI
105AQI
126AQI
94AQI
108AQI
83AQI
82AQI
84AQI
88AQI
90AQI
95AQI
77AQI
82AQI
72AQI
65AQI
68AQI
64AQI
72AQI
74AQI
73AQI
72AQI
75AQI
80AQI
82AQI
86AQI
80AQI
78AQI
79AQI
78AQI
73AQI
69AQI
69AQI
70AQI
70AQI
66AQI
67AQI
64AQI
62AQI
62AQI
58AQI
61AQI
57AQI
56AQI
50AQI
50AQI
52AQI
47AQI
52AQI
52AQI
56AQI
60AQI
60AQI
66AQI
69AQI
69AQI
67AQI
66AQI
62AQI
63AQI
65AQI
68AQI
58AQI
58AQI
65AQI
55AQI
49AQI
51AQI
53AQI
57AQI
57AQI
59AQI
60AQI
59AQI
62AQI
62AQI
65AQI
65AQI
60AQI
60AQI
62AQI
60AQI
55AQI
55AQI
57AQI
58AQI
59AQI
65AQI
61AQI
54AQI
52AQI
54AQI
54AQI
55AQI
53AQI
54AQI
49AQI
51AQI
57AQI
60AQI
55AQI
50AQI
48AQI
54AQI
50AQI
54AQI
58AQI
51AQI
38AQI
49AQI
55AQI
60AQI
60AQI
57AQI
62AQI
53AQI
54AQI
58AQI
61AQI
61AQI
58AQI
49AQI
41AQI
46AQI
52AQI
42AQI
43AQI
47AQI
51AQI
57AQI
60AQI
46AQI
52AQI
66AQI
72AQI
62AQI
53AQI
64AQI
62AQI
55AQI
52AQI
60AQI
58AQI
61AQI
54AQI
49AQI
47AQI
61AQI
107AQI
97AQI
106AQI
113AQI
111AQI
71AQI
58AQI
57AQI
54AQI
57AQI
No. of days
202585AQI
Highest AQI recorded in
April113AQI
Lowest AQI recorded in
September54AQI
202489AQI
Highest AQI recorded in
February136AQI
Lowest AQI recorded in
August63AQI
202391AQI
Highest AQI recorded in
February128AQI
Lowest AQI recorded in
August62AQI
202296AQI
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July60AQI
202192AQI
Highest AQI recorded in
March168AQI
Lowest AQI recorded in
September51AQI
202088AQI
Highest AQI recorded in
November120AQI
Lowest AQI recorded in
August61AQI
Most & Least Polluted Years Over the Last 6 Years
Tongchuanshi's annual 2025 AQI (85) shows an average percentage change of -7.2% (improved AQI) compared to previous years: 2020 (88), 2021 (92), 2022 (96), 2023 (91), 2024 (89).