North China Institute Of Aerospace, Langfang, Hebei, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
North China Institute Of Aerospace, Langfang, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 77 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Oct - 13th Oct 2025
North China Institute Of Aerospace, Langfang, Hebei, China
6 AM12th Oct 2025
6 PM
5 AM13th Oct 2025
84AQI
59AQI
82AQI
56AQI
In the last 24 hours,
North China Institute Of Aerospace's AQI reached its highest point of 84 at 12 PM during the Day, while the lowest point, 56, was recorded at 7 PM during the Night between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
North China Institute Of Aerospace, Langfang, Hebei, China
24°C19/30°C
23°C19/30°C
21°C19/24°C
20°C17/24°C
18°C14/22°C
19°C13/26°C
18°C14/22°C
20°C13/28°C
22°C17/27°C
18°C16/21°C
17°C15/20°C
20°C13/28°C
22°C16/29°C
23°C19/29°C
19°C17/19°C
21°C15/29°C
23°C17/30°C
23°C17/30°C
24°C19/30°C
23°C19/28°C
20°C17/22°C
21°C17/26°C
19°C17/22°C
16°C12/21°C
19°C14/25°C
13°C9/18°C
9°C8/9°C
10°C9/12°C
13°C10/18°C
14°C12/17°C
--°C/°C
90AQI
65AQI
90AQI
67AQI
2025 Days Vs Air Quality
North China Institute Of Aerospace, Langfang, Hebei, China
2%
7
73%
207
21%
60
4%
11
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 286 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
North China Institute Of Aerospace, Langfang, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
105AQI
69AQI
84AQI
124AQI
99AQI
75AQI
68AQI
47AQI
48AQI
53AQI
60AQI
56AQI
113AQI
52AQI
72AQI
60AQI
113AQI
138AQI
82AQI
156AQI
112AQI
122AQI
126AQI
154AQI
158AQI
129AQI
82AQI
87AQI
174AQI
109AQI
149AQI
119AQI
104AQI
64AQI
63AQI
56AQI
63AQI
41AQI
46AQI
56AQI
128AQI
137AQI
89AQI
126AQI
131AQI
132AQI
78AQI
71AQI
91AQI
76AQI
82AQI
63AQI
58AQI
48AQI
85AQI
67AQI
108AQI
143AQI
165AQI
200AQI
111AQI
102AQI
104AQI
139AQI
73AQI
139AQI
139AQI
160AQI
166AQI
176AQI
106AQI
151AQI
101AQI
103AQI
71AQI
67AQI
63AQI
70AQI
51AQI
58AQI
60AQI
96AQI
64AQI
65AQI
104AQI
54AQI
70AQI
51AQI
71AQI
92AQI
74AQI
61AQI
93AQI
106AQI
63AQI
116AQI
86AQI
85AQI
84AQI
113AQI
133AQI
103AQI
95AQI
74AQI
78AQI
123AQI
91AQI
98AQI
90AQI
109AQI
134AQI
76AQI
98AQI
60AQI
84AQI
116AQI
70AQI
87AQI
86AQI
78AQI
69AQI
78AQI
56AQI
77AQI
96AQI
69AQI
105AQI
119AQI
74AQI
91AQI
95AQI
114AQI
104AQI
78AQI
80AQI
122AQI
73AQI
97AQI
109AQI
133AQI
118AQI
126AQI
115AQI
93AQI
99AQI
108AQI
110AQI
112AQI
108AQI
110AQI
120AQI
123AQI
98AQI
69AQI
69AQI
76AQI
69AQI
73AQI
78AQI
78AQI
69AQI
80AQI
88AQI
93AQI
92AQI
67AQI
61AQI
76AQI
80AQI
74AQI
63AQI
58AQI
55AQI
75AQI
82AQI
81AQI
79AQI
81AQI
87AQI
84AQI
82AQI
71AQI
75AQI
67AQI
72AQI
67AQI
55AQI
62AQI
67AQI
70AQI
70AQI
76AQI
77AQI
63AQI
64AQI
69AQI
63AQI
54AQI
66AQI
67AQI
60AQI
60AQI
70AQI
64AQI
64AQI
66AQI
64AQI
63AQI
64AQI
48AQI
53AQI
62AQI
65AQI
63AQI
62AQI
63AQI
63AQI
70AQI
70AQI
66AQI
54AQI
59AQI
65AQI
66AQI
62AQI
67AQI
70AQI
58AQI
61AQI
62AQI
59AQI
60AQI
58AQI
55AQI
56AQI
59AQI
56AQI
61AQI
60AQI
53AQI
64AQI
61AQI
59AQI
62AQI
71AQI
75AQI
86AQI
91AQI
67AQI
69AQI
68AQI
74AQI
71AQI
75AQI
80AQI
77AQI
74AQI
71AQI
58AQI
51AQI
53AQI
57AQI
63AQI
82AQI
67AQI
80AQI
85AQI
95AQI
124AQI
123AQI
95AQI
85AQI
83AQI
91AQI
92AQI
126AQI
129AQI
164AQI
52AQI
94AQI
89AQI
40AQI
51AQI
64AQI
77AQI
99AQI
89AQI
99AQI
92AQI
99AQI
78AQI
65AQI
62AQI
77AQI
89AQI
No. of days
202585AQI
Highest AQI recorded in
March99AQI
Lowest AQI recorded in
August62AQI
202493AQI
Highest AQI recorded in
March123AQI
Lowest AQI recorded in
August64AQI
2023106AQI
Highest AQI recorded in
March140AQI
Lowest AQI recorded in
August86AQI
2022100AQI
Highest AQI recorded in
November114AQI
Lowest AQI recorded in
December82AQI
202193AQI
Highest AQI recorded in
March161AQI
Lowest AQI recorded in
July48AQI
202097AQI
Highest AQI recorded in
October111AQI
Lowest AQI recorded in
September78AQI
Most & Least Polluted Years Over the Last 6 Years
North China Institute Of Aerospace's annual 2025 AQI (85) shows an average percentage change of -13.2% (improved AQI) compared to previous years: 2020 (97), 2021 (93), 2022 (100), 2023 (106), 2024 (93).