City Environmental Monitoring Station, Nanchong, Sichuan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
City Environmental Monitoring Station, Nanchong, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 63 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
City Environmental Monitoring Station, Nanchong, Sichuan, China
6 AM3rd Aug 2025
7 PM
5 AM4th Aug 2025
72AQI
58AQI
66AQI
60AQI
In the last 24 hours,
City Environmental Monitoring Station's AQI reached its highest point of 72 at 1 PM during the Day, while the lowest point, 58, was recorded at 2 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Environmental Monitoring Station, Nanchong, Sichuan, China
26°C22/31°C
26°C22/30°C
24°C22/28°C
25°C22/29°C
25°C22/27°C
27°C24/32°C
28°C24/33°C
28°C24/33°C
29°C25/34°C
30°C26/34°C
31°C26/35°C
32°C27/37°C
32°C28/37°C
30°C26/35°C
30°C26/34°C
28°C25/34°C
27°C23/33°C
30°C26/34°C
29°C26/33°C
28°C24/32°C
29°C25/34°C
30°C25/35°C
30°C25/35°C
31°C27/36°C
32°C27/37°C
31°C27/36°C
31°C27/36°C
32°C26/37°C
32°C27/37°C
33°C28/38°C
--°C/°C
63AQI
58AQI
60AQI
60AQI
2025 Days Vs Air Quality
City Environmental Monitoring Station, Nanchong, Sichuan, China
3%
7
63%
136
26%
55
7%
16
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 3%
Health Risk Level:
Extreme
In 2025, 3% of 216 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
City Environmental Monitoring Station, Nanchong, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
168AQI
180AQI
185AQI
158AQI
146AQI
161AQI
148AQI
128AQI
134AQI
121AQI
117AQI
129AQI
140AQI
149AQI
159AQI
133AQI
159AQI
146AQI
162AQI
159AQI
168AQI
177AQI
193AQI
157AQI
107AQI
105AQI
117AQI
132AQI
219AQI
162AQI
149AQI
156AQI
120AQI
107AQI
104AQI
100AQI
86AQI
80AQI
77AQI
96AQI
112AQI
126AQI
96AQI
98AQI
100AQI
97AQI
111AQI
107AQI
112AQI
119AQI
99AQI
99AQI
97AQI
84AQI
98AQI
99AQI
130AQI
126AQI
134AQI
141AQI
102AQI
81AQI
69AQI
65AQI
66AQI
75AQI
93AQI
107AQI
118AQI
101AQI
112AQI
90AQI
87AQI
74AQI
73AQI
81AQI
82AQI
93AQI
101AQI
117AQI
138AQI
133AQI
126AQI
118AQI
100AQI
122AQI
91AQI
87AQI
83AQI
83AQI
88AQI
90AQI
92AQI
95AQI
96AQI
93AQI
96AQI
94AQI
94AQI
98AQI
88AQI
184AQI
143AQI
132AQI
119AQI
112AQI
102AQI
103AQI
102AQI
90AQI
94AQI
92AQI
96AQI
87AQI
94AQI
84AQI
85AQI
85AQI
80AQI
83AQI
83AQI
89AQI
94AQI
80AQI
82AQI
95AQI
92AQI
86AQI
100AQI
90AQI
90AQI
93AQI
92AQI
93AQI
108AQI
106AQI
113AQI
113AQI
104AQI
102AQI
106AQI
94AQI
96AQI
94AQI
90AQI
88AQI
85AQI
80AQI
77AQI
80AQI
75AQI
73AQI
75AQI
80AQI
84AQI
84AQI
87AQI
80AQI
76AQI
78AQI
79AQI
81AQI
82AQI
84AQI
80AQI
78AQI
78AQI
78AQI
66AQI
69AQI
74AQI
55AQI
44AQI
51AQI
55AQI
46AQI
56AQI
59AQI
59AQI
61AQI
49AQI
55AQI
56AQI
53AQI
55AQI
49AQI
61AQI
53AQI
57AQI
56AQI
61AQI
58AQI
64AQI
66AQI
70AQI
71AQI
75AQI
73AQI
67AQI
65AQI
59AQI
60AQI
56AQI
50AQI
50AQI
49AQI
54AQI
59AQI
60AQI
66AQI
68AQI
62AQI
60AQI
63AQI
63AQI
151AQI
106AQI
97AQI
100AQI
93AQI
70AQI
60AQI
62AQI
No. of days
202596AQI
Highest AQI recorded in
January151AQI
Lowest AQI recorded in
July60AQI
202497AQI
Highest AQI recorded in
December135AQI
Lowest AQI recorded in
July61AQI
2023101AQI
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
August74AQI
2022105AQI
Highest AQI recorded in
January142AQI
Lowest AQI recorded in
August53AQI
2021100AQI
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
August66AQI
202093AQI
Highest AQI recorded in
December128AQI
Lowest AQI recorded in
July70AQI
Most & Least Polluted Years Over the Last 6 Years
City Environmental Monitoring Station's annual 2025 AQI (96) shows an average percentage change of -3.1% (improved AQI) compared to previous years: 2020 (93), 2021 (100), 2022 (105), 2023 (101), 2024 (97).