Diwei Road, Tianjin, Tianjin, 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
Diwei Road, Tianjin, Tianjin, China
AQI Trends: Highest and Lowest
Same Day Analysis (21st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Diwei Road, Tianjin, Tianjin, China
5 AM21st Aug 2025
7 PM
4 AM22nd Aug 2025
AQI
AQI
63AQI
52AQI
In the last 24 hours,
Diwei Road's AQI reached its highest point of 63 at 7 PM during the Night, while the lowest point, 52, was recorded at 5 PM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Diwei Road, Tianjin, Tianjin, China
30°C25/35°C
30°C25/35°C
32°C27/36°C
32°C27/38°C
32°C27/38°C
32°C27/37°C
28°C25/32°C
28°C23/35°C
28°C23/33°C
30°C24/37°C
31°C24/37°C
30°C25/36°C
28°C25/31°C
29°C25/35°C
32°C25/41°C
31°C26/37°C
25°C21/27°C
26°C20/33°C
28°C22/35°C
28°C23/34°C
27°C22/35°C
26°C21/32°C
29°C23/36°C
27°C23/32°C
24°C23/26°C
26°C22/31°C
28°C23/33°C
28°C25/33°C
26°C23/30°C
--°C/°C
--°C/°C
74AQI
59AQI
63AQI
63AQI
2025 Days Vs Air Quality
Diwei Road, Tianjin, Tianjin, China
0.8%
2
68%
159
26%
60
5%
11
0.4%
1
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 0.86%
Health Risk Level:
Extreme
In 2025, 0.86% of 233 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
Diwei Road, Tianjin, Tianjin, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
124AQI
85AQI
121AQI
145AQI
125AQI
84AQI
85AQI
44AQI
57AQI
79AQI
89AQI
84AQI
134AQI
59AQI
93AQI
78AQI
115AQI
149AQI
103AQI
152AQI
116AQI
119AQI
123AQI
146AQI
155AQI
128AQI
68AQI
112AQI
250AQI
107AQI
143AQI
129AQI
123AQI
62AQI
76AQI
63AQI
83AQI
42AQI
52AQI
78AQI
131AQI
146AQI
110AQI
150AQI
153AQI
158AQI
87AQI
83AQI
97AQI
93AQI
93AQI
77AQI
87AQI
58AQI
100AQI
85AQI
128AQI
151AQI
181AQI
198AQI
106AQI
97AQI
107AQI
143AQI
75AQI
125AQI
143AQI
155AQI
166AQI
171AQI
116AQI
156AQI
95AQI
102AQI
70AQI
67AQI
68AQI
88AQI
71AQI
76AQI
81AQI
121AQI
81AQI
81AQI
122AQI
61AQI
85AQI
56AQI
84AQI
103AQI
86AQI
62AQI
95AQI
116AQI
56AQI
125AQI
98AQI
92AQI
108AQI
116AQI
136AQI
120AQI
96AQI
81AQI
78AQI
125AQI
99AQI
80AQI
94AQI
101AQI
134AQI
69AQI
105AQI
54AQI
90AQI
106AQI
73AQI
86AQI
90AQI
100AQI
69AQI
80AQI
55AQI
78AQI
92AQI
76AQI
101AQI
108AQI
70AQI
77AQI
95AQI
96AQI
104AQI
75AQI
70AQI
123AQI
67AQI
97AQI
113AQI
125AQI
100AQI
132AQI
118AQI
95AQI
108AQI
104AQI
103AQI
114AQI
103AQI
103AQI
101AQI
110AQI
84AQI
54AQI
60AQI
72AQI
85AQI
67AQI
65AQI
76AQI
66AQI
74AQI
78AQI
88AQI
82AQI
67AQI
52AQI
72AQI
74AQI
70AQI
66AQI
63AQI
53AQI
62AQI
68AQI
66AQI
76AQI
76AQI
82AQI
86AQI
70AQI
69AQI
69AQI
57AQI
65AQI
65AQI
59AQI
60AQI
60AQI
61AQI
75AQI
78AQI
78AQI
69AQI
65AQI
67AQI
65AQI
59AQI
67AQI
61AQI
65AQI
65AQI
65AQI
60AQI
64AQI
66AQI
65AQI
63AQI
65AQI
58AQI
60AQI
59AQI
67AQI
63AQI
62AQI
61AQI
65AQI
68AQI
71AQI
62AQI
64AQI
62AQI
65AQI
64AQI
60AQI
66AQI
67AQI
57AQI
61AQI
59AQI
61AQI
61AQI
60AQI
112AQI
103AQI
105AQI
96AQI
95AQI
72AQI
65AQI
63AQI
No. of days
202590AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
August63AQI
2024104AQI
Highest AQI recorded in
March135AQI
Lowest AQI recorded in
September68AQI
2023110AQI
Highest AQI recorded in
March143AQI
Lowest AQI recorded in
August71AQI
2022101AQI
Highest AQI recorded in
November125AQI
Lowest AQI recorded in
August25AQI
2021136AQI
Highest AQI recorded in
March162AQI
Lowest AQI recorded in
April121AQI
2020119AQI
Highest AQI recorded in
October129AQI
Lowest AQI recorded in
September104AQI
Most & Least Polluted Years Over the Last 6 Years
Diwei Road's annual 2025 AQI (90) shows an average percentage change of -20.1% (improved AQI) compared to previous years: 2020 (119), 2021 (136), 2022 (101), 2023 (110), 2024 (104).