Beijing, Beijing, 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
Beijing, Beijing, China
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 52 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Beijing, Beijing, China
5 AM9th Aug 2025
7 PM
4 AM10th Aug 2025
67AQI
22AQI
65AQI
58AQI
In the last 24 hours,
Beijing's AQI reached its highest point of 67 at 5 AM during the Day, while the lowest point, 22, was recorded at 10 AM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Beijing, Beijing, China
32°C27/37°C
31°C27/39°C
32°C25/38°C
33°C27/38°C
29°C24/34°C
28°C22/34°C
32°C25/38°C
33°C26/39°C
31°C27/36°C
24°C23/24°C
30°C23/37°C
31°C25/37°C
30°C25/36°C
28°C25/31°C
28°C25/33°C
30°C25/35°C
29°C26/33°C
29°C24/35°C
27°C24/31°C
28°C23/33°C
27°C23/31°C
29°C23/34°C
30°C25/36°C
29°C24/35°C
27°C25/31°C
28°C24/34°C
32°C25/39°C
31°C26/35°C
24°C22/25°C
27°C21/33°C
--°C/°C
69AQI
61AQI
64AQI
64AQI
2025 Days Vs Air Quality
Beijing, Beijing, China
8%
17
74%
164
15%
34
2%
5
0.4%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 222 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
Beijing, Beijing, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
67AQI
75AQI
89AQI
68AQI
47AQI
41AQI
35AQI
40AQI
46AQI
60AQI
56AQI
80AQI
41AQI
62AQI
59AQI
100AQI
119AQI
67AQI
116AQI
70AQI
111AQI
123AQI
150AQI
160AQI
119AQI
70AQI
65AQI
131AQI
91AQI
143AQI
132AQI
89AQI
64AQI
52AQI
48AQI
56AQI
38AQI
40AQI
46AQI
100AQI
137AQI
62AQI
118AQI
94AQI
123AQI
53AQI
64AQI
57AQI
56AQI
48AQI
47AQI
42AQI
41AQI
64AQI
51AQI
86AQI
130AQI
145AQI
206AQI
117AQI
98AQI
91AQI
133AQI
60AQI
145AQI
133AQI
168AQI
168AQI
195AQI
98AQI
157AQI
95AQI
107AQI
61AQI
65AQI
63AQI
60AQI
47AQI
52AQI
61AQI
110AQI
57AQI
73AQI
85AQI
59AQI
66AQI
55AQI
69AQI
86AQI
64AQI
62AQI
85AQI
86AQI
61AQI
98AQI
78AQI
81AQI
83AQI
103AQI
119AQI
92AQI
87AQI
84AQI
81AQI
118AQI
83AQI
75AQI
79AQI
96AQI
120AQI
65AQI
81AQI
55AQI
80AQI
111AQI
63AQI
87AQI
81AQI
69AQI
66AQI
68AQI
57AQI
73AQI
82AQI
66AQI
95AQI
110AQI
67AQI
94AQI
88AQI
109AQI
96AQI
73AQI
75AQI
104AQI
68AQI
87AQI
81AQI
121AQI
102AQI
113AQI
92AQI
81AQI
90AQI
89AQI
85AQI
93AQI
94AQI
103AQI
119AQI
121AQI
66AQI
54AQI
49AQI
70AQI
56AQI
58AQI
69AQI
66AQI
61AQI
72AQI
83AQI
84AQI
81AQI
57AQI
54AQI
66AQI
72AQI
67AQI
59AQI
55AQI
52AQI
61AQI
67AQI
67AQI
70AQI
80AQI
74AQI
79AQI
73AQI
68AQI
69AQI
61AQI
66AQI
60AQI
57AQI
63AQI
63AQI
69AQI
62AQI
74AQI
76AQI
61AQI
65AQI
69AQI
66AQI
57AQI
64AQI
73AQI
55AQI
61AQI
72AQI
66AQI
64AQI
62AQI
67AQI
69AQI
61AQI
49AQI
51AQI
60AQI
66AQI
66AQI
62AQI
64AQI
61AQI
67AQI
61AQI
66AQI
52AQI
83AQI
74AQI
98AQI
84AQI
88AQI
68AQI
64AQI
63AQI
No. of days
202579AQI
Highest AQI recorded in
March98AQI
Lowest AQI recorded in
August63AQI
202486AQI
Highest AQI recorded in
March111AQI
Lowest AQI recorded in
August62AQI
202393AQI
Highest AQI recorded in
March129AQI
Lowest AQI recorded in
July72AQI
202288AQI
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
July66AQI
202192AQI
Highest AQI recorded in
March176AQI
Lowest AQI recorded in
July62AQI
202089AQI
Highest AQI recorded in
July102AQI
Lowest AQI recorded in
September70AQI
Most & Least Polluted Years Over the Last 6 Years
Beijing's annual 2025 AQI (79) shows an average percentage change of -11.3% (improved AQI) compared to previous years: 2020 (89), 2021 (92), 2022 (88), 2023 (93), 2024 (86).