Suzhou, Anhui, 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
Suzhou, Anhui, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Suzhou, Anhui, China
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
76AQI
54AQI
57AQI
53AQI
In the last 24 hours,
Suzhou's AQI reached its highest point of 76 at 9 AM during the Day, while the lowest point, 53, was recorded at 8 PM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Suzhou, Anhui, China
35°C30/41°C
34°C29/41°C
31°C27/37°C
30°C25/36°C
30°C25/35°C
30°C25/37°C
29°C25/34°C
31°C25/38°C
32°C27/37°C
33°C27/39°C
32°C26/39°C
30°C26/35°C
30°C24/36°C
30°C24/36°C
32°C27/38°C
31°C27/36°C
31°C27/38°C
30°C26/36°C
31°C26/37°C
31°C25/36°C
30°C25/35°C
30°C25/35°C
29°C24/36°C
29°C25/36°C
29°C24/36°C
26°C24/30°C
27°C25/32°C
28°C24/34°C
30°C24/37°C
32°C27/37°C
--°C/°C
56AQI
51AQI
56AQI
56AQI
2025 Days Vs Air Quality
Suzhou, Anhui, China
0.9%
2
51%
109
35%
76
13%
28
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 0.93%
Health Risk Level:
Extreme
In 2025, 0.93% of 217 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
Suzhou, Anhui, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
159AQI
192AQI
161AQI
177AQI
167AQI
120AQI
127AQI
120AQI
99AQI
104AQI
133AQI
141AQI
153AQI
153AQI
105AQI
141AQI
139AQI
159AQI
169AQI
172AQI
179AQI
177AQI
159AQI
139AQI
133AQI
142AQI
89AQI
126AQI
150AQI
154AQI
172AQI
165AQI
172AQI
168AQI
135AQI
116AQI
104AQI
81AQI
78AQI
95AQI
110AQI
140AQI
148AQI
140AQI
154AQI
130AQI
131AQI
104AQI
133AQI
130AQI
114AQI
118AQI
141AQI
146AQI
111AQI
137AQI
149AQI
156AQI
159AQI
162AQI
98AQI
105AQI
119AQI
136AQI
134AQI
142AQI
151AQI
152AQI
153AQI
162AQI
171AQI
136AQI
100AQI
124AQI
83AQI
94AQI
78AQI
92AQI
95AQI
85AQI
96AQI
117AQI
142AQI
111AQI
128AQI
114AQI
125AQI
92AQI
106AQI
103AQI
107AQI
89AQI
92AQI
110AQI
101AQI
104AQI
103AQI
118AQI
130AQI
133AQI
117AQI
152AQI
101AQI
92AQI
84AQI
92AQI
97AQI
109AQI
102AQI
93AQI
92AQI
98AQI
104AQI
86AQI
80AQI
82AQI
87AQI
84AQI
85AQI
91AQI
89AQI
95AQI
75AQI
82AQI
93AQI
107AQI
107AQI
95AQI
73AQI
69AQI
85AQI
76AQI
86AQI
102AQI
125AQI
109AQI
113AQI
95AQI
114AQI
107AQI
102AQI
100AQI
119AQI
104AQI
97AQI
103AQI
106AQI
102AQI
100AQI
94AQI
113AQI
81AQI
86AQI
91AQI
91AQI
85AQI
87AQI
81AQI
82AQI
76AQI
81AQI
80AQI
79AQI
83AQI
82AQI
71AQI
72AQI
73AQI
63AQI
57AQI
61AQI
67AQI
69AQI
68AQI
69AQI
68AQI
71AQI
66AQI
60AQI
53AQI
57AQI
57AQI
53AQI
56AQI
54AQI
58AQI
61AQI
65AQI
59AQI
55AQI
70AQI
77AQI
68AQI
68AQI
64AQI
66AQI
70AQI
67AQI
68AQI
66AQI
59AQI
57AQI
51AQI
52AQI
51AQI
58AQI
54AQI
52AQI
50AQI
53AQI
55AQI
54AQI
53AQI
50AQI
54AQI
146AQI
131AQI
120AQI
101AQI
98AQI
74AQI
60AQI
52AQI
No. of days
2025103AQI
Highest AQI recorded in
January146AQI
Lowest AQI recorded in
August52AQI
202494AQI
Highest AQI recorded in
January159AQI
Lowest AQI recorded in
July56AQI
2023141AQI
Highest AQI recorded in
December143AQI
Lowest AQI recorded in
November113AQI
2021146AQI
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
February132AQI
2020102AQI
Highest AQI recorded in
December168AQI
Lowest AQI recorded in
August56AQI
Most & Least Polluted Years Over the Last 5 Years
Suzhou's annual 2025 AQI (103) shows an average percentage change of -11.5% (improved AQI) compared to previous years: 2020 (102), 2021 (146), 2023 (141), 2024 (94).