South Ring Road, Beijing, Beijing, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
South Ring Road, Beijing, Beijing, China
AQI Trends: Highest and Lowest
Same Day Analysis (5th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 73 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Sep - 7th Sep 2025
South Ring Road, Beijing, Beijing, China
5 AM6th Sep 2025
7 PM
4 AM7th Sep 2025
81AQI
48AQI
78AQI
62AQI
In the last 24 hours,
South Ring Road's AQI reached its highest point of 81 at 9 AM during the Day, while the lowest point, 48, was recorded at 5 PM during the Day between 6th Sep and 7th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
South Ring Road, Beijing, Beijing, China
24°C22/25°C
27°C21/33°C
28°C23/35°C
29°C23/34°C
26°C22/33°C
25°C21/30°C
27°C22/31°C
26°C23/32°C
25°C23/29°C
27°C23/31°C
27°C23/31°C
25°C23/27°C
26°C22/30°C
26°C24/30°C
28°C23/35°C
25°C22/28°C
23°C21/26°C
26°C21/32°C
25°C21/31°C
21°C20/21°C
22°C20/25°C
24°C23/28°C
25°C22/28°C
26°C21/31°C
26°C21/32°C
26°C22/30°C
27°C23/31°C
26°C22/32°C
22°C20/25°C
24°C19/31°C
--°C/°C
67AQI
61AQI
64AQI
64AQI
2025 Days Vs Air Quality
South Ring Road, Beijing, Beijing, China
6%
16
80%
198
10%
26
3%
7
0.4%
1
Total number of days with different AQI categories in last 250 days in 2025 (115 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 250 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
South Ring Road, Beijing, Beijing, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
73AQI
77AQI
81AQI
94AQI
69AQI
47AQI
42AQI
34AQI
42AQI
52AQI
64AQI
59AQI
84AQI
39AQI
65AQI
61AQI
105AQI
122AQI
69AQI
121AQI
76AQI
115AQI
122AQI
152AQI
159AQI
119AQI
70AQI
67AQI
136AQI
94AQI
148AQI
134AQI
88AQI
66AQI
54AQI
51AQI
59AQI
38AQI
42AQI
49AQI
103AQI
137AQI
64AQI
129AQI
100AQI
132AQI
55AQI
67AQI
60AQI
61AQI
50AQI
47AQI
41AQI
43AQI
67AQI
54AQI
93AQI
133AQI
148AQI
210AQI
117AQI
96AQI
91AQI
137AQI
59AQI
151AQI
134AQI
171AQI
170AQI
200AQI
93AQI
161AQI
91AQI
108AQI
59AQI
66AQI
65AQI
62AQI
47AQI
52AQI
63AQI
112AQI
57AQI
78AQI
82AQI
71AQI
74AQI
68AQI
75AQI
85AQI
74AQI
72AQI
82AQI
86AQI
70AQI
89AQI
78AQI
80AQI
82AQI
92AQI
98AQI
81AQI
80AQI
87AQI
78AQI
96AQI
81AQI
78AQI
79AQI
89AQI
106AQI
75AQI
80AQI
68AQI
80AQI
102AQI
73AQI
83AQI
81AQI
74AQI
73AQI
75AQI
68AQI
77AQI
80AQI
76AQI
86AQI
99AQI
76AQI
86AQI
86AQI
93AQI
92AQI
77AQI
77AQI
98AQI
76AQI
85AQI
82AQI
109AQI
91AQI
96AQI
85AQI
81AQI
85AQI
84AQI
83AQI
88AQI
89AQI
101AQI
122AQI
128AQI
69AQI
57AQI
54AQI
73AQI
56AQI
63AQI
71AQI
70AQI
66AQI
77AQI
83AQI
85AQI
83AQI
61AQI
58AQI
70AQI
73AQI
68AQI
61AQI
58AQI
53AQI
61AQI
68AQI
67AQI
70AQI
82AQI
75AQI
80AQI
73AQI
69AQI
69AQI
63AQI
66AQI
62AQI
59AQI
63AQI
63AQI
69AQI
64AQI
74AQI
77AQI
63AQI
66AQI
69AQI
67AQI
59AQI
65AQI
78AQI
51AQI
60AQI
76AQI
65AQI
65AQI
63AQI
68AQI
71AQI
64AQI
45AQI
50AQI
61AQI
65AQI
66AQI
62AQI
65AQI
62AQI
69AQI
62AQI
68AQI
48AQI
58AQI
63AQI
67AQI
62AQI
67AQI
71AQI
59AQI
62AQI
64AQI
60AQI
59AQI
58AQI
57AQI
57AQI
58AQI
57AQI
60AQI
59AQI
56AQI
64AQI
64AQI
62AQI
63AQI
72AQI
73AQI
74AQI
73AQI
86AQI
77AQI
100AQI
82AQI
86AQI
70AQI
65AQI
62AQI
71AQI
No. of days
202578AQI
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
August62AQI
202475AQI
Highest AQI recorded in
January103AQI
Lowest AQI recorded in
March56AQI
2023101AQI
Highest AQI recorded in
December107AQI
Lowest AQI recorded in
November40AQI
202184AQI
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
January84AQI
202087AQI
Highest AQI recorded in
October100AQI
Lowest AQI recorded in
August72AQI
Most & Least Polluted Years Over the Last 5 Years
South Ring Road's annual 2025 AQI (78) shows an average percentage change of -8.5% (improved AQI) compared to previous years: 2020 (87), 2021 (84), 2023 (101), 2024 (75).