Langfang, Hebei, 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
Langfang, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 62 of Moderate air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Langfang, Hebei, China
5 AM27th Sep 2026
6 PM
4 AM28th Sep 2026
48AQI
24AQI
44AQI
24AQI
In the last 24 hours,
Langfang's AQI reached its highest point of 48 at 11 AM during the Day, while the lowest point, 24, was recorded at 10 PM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Langfang, Hebei, China
25°C19/31°C
23°C18/28°C
24°C19/29°C
24°C18/31°C
25°C20/32°C
25°C20/31°C
26°C21/32°C
26°C20/32°C
24°C17/31°C
17°C15/22°C
19°C16/25°C
20°C14/28°C
22°C16/28°C
21°C16/27°C
22°C17/29°C
21°C15/26°C
22°C16/28°C
24°C17/30°C
25°C20/32°C
22°C17/29°C
23°C17/29°C
24°C20/28°C
23°C17/30°C
25°C19/31°C
25°C18/31°C
22°C20/25°C
22°C18/28°C
22°C17/29°C
21°C17/26°C
21°C16/26°C
84AQI
61AQI
79AQI
63AQI
2026 Days Vs Air Quality
Langfang, Hebei, China
24%
66
44%
120
27%
72
5%
13
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2026, 24% of 271 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Langfang, Hebei, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
50AQI (US)
82AQI (US)
146AQI (US)
168AQI (US)
116AQI (US)
158AQI (US)
36AQI (US)
114AQI (US)
152AQI (US)
38AQI (US)
36AQI (US)
105AQI (US)
58AQI (US)
116AQI (US)
161AQI (US)
124AQI (US)
67AQI (US)
68AQI (US)
29AQI (US)
28AQI (US)
44AQI (US)
111AQI (US)
94AQI (US)
144AQI (US)
103AQI (US)
96AQI (US)
74AQI (US)
107AQI (US)
117AQI (US)
151AQI (US)
128AQI (US)
105AQI (US)
35AQI (US)
97AQI (US)
150AQI (US)
85AQI (US)
23AQI (US)
39AQI (US)
48AQI (US)
91AQI (US)
110AQI (US)
115AQI (US)
157AQI (US)
165AQI (US)
115AQI (US)
47AQI (US)
33AQI (US)
117AQI (US)
81AQI (US)
126AQI (US)
142AQI (US)
121AQI (US)
60AQI (US)
44AQI (US)
89AQI (US)
133AQI (US)
129AQI (US)
75AQI (US)
113AQI (US)
137AQI (US)
157AQI (US)
160AQI (US)
143AQI (US)
128AQI (US)
92AQI (US)
141AQI (US)
140AQI (US)
70AQI (US)
136AQI (US)
126AQI (US)
148AQI (US)
140AQI (US)
106AQI (US)
104AQI (US)
127AQI (US)
144AQI (US)
65AQI (US)
79AQI (US)
92AQI (US)
106AQI (US)
115AQI (US)
147AQI (US)
165AQI (US)
168AQI (US)
174AQI (US)
85AQI (US)
135AQI (US)
135AQI (US)
52AQI (US)
76AQI (US)
69AQI (US)
79AQI (US)
114AQI (US)
100AQI (US)
73AQI (US)
24AQI (US)
38AQI (US)
78AQI (US)
107AQI (US)
94AQI (US)
69AQI (US)
105AQI (US)
84AQI (US)
131AQI (US)
155AQI (US)
124AQI (US)
125AQI (US)
112AQI (US)
111AQI (US)
79AQI (US)
87AQI (US)
74AQI (US)
97AQI (US)
99AQI (US)
88AQI (US)
81AQI (US)
51AQI (US)
54AQI (US)
36AQI (US)
80AQI (US)
107AQI (US)
64AQI (US)
34AQI (US)
59AQI (US)
93AQI (US)
79AQI (US)
48AQI (US)
70AQI (US)
96AQI (US)
100AQI (US)
99AQI (US)
109AQI (US)
136AQI (US)
131AQI (US)
128AQI (US)
78AQI (US)
67AQI (US)
63AQI (US)
62AQI (US)
70AQI (US)
79AQI (US)
90AQI (US)
85AQI (US)
77AQI (US)
73AQI (US)
52AQI (US)
60AQI (US)
30AQI (US)
41AQI (US)
62AQI (US)
78AQI (US)
79AQI (US)
114AQI (US)
78AQI (US)
41AQI (US)
31AQI (US)
46AQI (US)
22AQI (US)
32AQI (US)
24AQI (US)
58AQI (US)
28AQI (US)
65AQI (US)
69AQI (US)
58AQI (US)
120AQI (US)
70AQI (US)
41AQI (US)
125AQI (US)
128AQI (US)
46AQI (US)
33AQI (US)
57AQI (US)
85AQI (US)
102AQI (US)
45AQI (US)
35AQI (US)
58AQI (US)
94AQI (US)
101AQI (US)
59AQI (US)
65AQI (US)
104AQI (US)
102AQI (US)
64AQI (US)
44AQI (US)
40AQI (US)
62AQI (US)
59AQI (US)
64AQI (US)
41AQI (US)
57AQI (US)
23AQI (US)
49AQI (US)
44AQI (US)
44AQI (US)
74AQI (US)
41AQI (US)
56AQI (US)
86AQI (US)
82AQI (US)
51AQI (US)
52AQI (US)
83AQI (US)
84AQI (US)
98AQI (US)
71AQI (US)
72AQI (US)
71AQI (US)
49AQI (US)
55AQI (US)
62AQI (US)
40AQI (US)
57AQI (US)
48AQI (US)
38AQI (US)
56AQI (US)
82AQI (US)
73AQI (US)
24AQI (US)
57AQI (US)
73AQI (US)
57AQI (US)
33AQI (US)
26AQI (US)
39AQI (US)
66AQI (US)
37AQI (US)
25AQI (US)
49AQI (US)
64AQI (US)
96AQI (US)
102AQI (US)
56AQI (US)
54AQI (US)
45AQI (US)
60AQI (US)
28AQI (US)
60AQI (US)
30AQI (US)
46AQI (US)
41AQI (US)
26AQI (US)
36AQI (US)
59AQI (US)
57AQI (US)
50AQI (US)
79AQI (US)
74AQI (US)
72AQI (US)
20AQI (US)
27AQI (US)
36AQI (US)
44AQI (US)
80AQI (US)
63AQI (US)
30AQI (US)
72AQI (US)
128AQI (US)
129AQI (US)
81AQI (US)
79AQI (US)
116AQI (US)
94AQI (US)
101AQI (US)
143AQI (US)
123AQI (US)
107AQI (US)
126AQI (US)
36AQI (US)
62AQI (US)
97AQI (US)
94AQI (US)
122AQI (US)
87AQI (US)
78AQI (US)
65AQI (US)
63AQI (US)
51AQI (US)
76AQI (US)
No. of days
202682AQI (US)
Highest AQI (US) recorded in
March122AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
202590AQI (US)
Highest AQI (US) recorded in
November115AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
202484AQI (US)
Highest AQI (US) recorded in
October110AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
202388AQI (US)
Highest AQI (US) recorded in
March116AQI (US)
Lowest AQI (US) recorded in
August70AQI (US)
202286AQI (US)
Highest AQI (US) recorded in
January101AQI (US)
Lowest AQI (US) recorded in
July66AQI (US)
202190AQI (US)
Highest AQI (US) recorded in
March161AQI (US)
Lowest AQI (US) recorded in
July48AQI (US)
202098AQI (US)
Highest AQI (US) recorded in
October108AQI (US)
Lowest AQI (US) recorded in
September78AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Langfang's annual 2026 AQI (US) (82) shows an average percentage change of -7.9% (improved AQI (US)) compared to previous years: 2020 (98), 2021 (90), 2022 (86), 2023 (88), 2024 (84), 2025 (90).