Hejian, Hebei, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Hejian, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 44 of Good air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Hejian, Hebei, China
5 AM3rd Jun 2026
7 PM
4 AM4th Jun 2026
116AQI
30AQI
114AQI
29AQI
In the last 24 hours,
Hejian's AQI reached its highest point of 116 at 5 PM during the Day, while the lowest point, 29, was recorded at 3 AM during the Night between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Hejian, Hebei, China
24°C19/29°C
19°C15/25°C
21°C12/29°C
25°C17/33°C
26°C17/34°C
25°C18/32°C
27°C17/36°C
31°C24/39°C
29°C23/37°C
28°C22/35°C
24°C19/30°C
18°C18/19°C
20°C17/26°C
20°C16/26°C
19°C16/24°C
21°C15/26°C
19°C17/21°C
22°C16/31°C
26°C20/33°C
20°C18/21°C
20°C16/26°C
23°C17/28°C
24°C20/30°C
27°C20/33°C
30°C21/38°C
30°C24/36°C
30°C24/37°C
32°C25/40°C
27°C19/35°C
22°C18/28°C
78AQI
64AQI
78AQI
73AQI
2026 Days Vs Air Quality
Hejian, Hebei, China
6%
10
41%
64
35%
55
17%
26
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2026, 6% of 155 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
Hejian, Hebei, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
94AQI (US)
128AQI (US)
171AQI (US)
187AQI (US)
171AQI (US)
152AQI (US)
93AQI (US)
109AQI (US)
132AQI (US)
52AQI (US)
45AQI (US)
106AQI (US)
115AQI (US)
125AQI (US)
170AQI (US)
152AQI (US)
94AQI (US)
78AQI (US)
58AQI (US)
71AQI (US)
107AQI (US)
146AQI (US)
158AQI (US)
175AQI (US)
130AQI (US)
107AQI (US)
141AQI (US)
146AQI (US)
129AQI (US)
147AQI (US)
156AQI (US)
154AQI (US)
122AQI (US)
159AQI (US)
164AQI (US)
126AQI (US)
48AQI (US)
93AQI (US)
118AQI (US)
142AQI (US)
151AQI (US)
148AQI (US)
159AQI (US)
168AQI (US)
160AQI (US)
57AQI (US)
80AQI (US)
113AQI (US)
104AQI (US)
119AQI (US)
92AQI (US)
111AQI (US)
71AQI (US)
48AQI (US)
100AQI (US)
103AQI (US)
127AQI (US)
73AQI (US)
104AQI (US)
126AQI (US)
152AQI (US)
159AQI (US)
155AQI (US)
109AQI (US)
113AQI (US)
113AQI (US)
148AQI (US)
113AQI (US)
138AQI (US)
154AQI (US)
152AQI (US)
154AQI (US)
125AQI (US)
77AQI (US)
106AQI (US)
134AQI (US)
83AQI (US)
81AQI (US)
116AQI (US)
134AQI (US)
119AQI (US)
154AQI (US)
163AQI (US)
159AQI (US)
163AQI (US)
116AQI (US)
117AQI (US)
121AQI (US)
79AQI (US)
74AQI (US)
90AQI (US)
110AQI (US)
118AQI (US)
89AQI (US)
86AQI (US)
46AQI (US)
53AQI (US)
92AQI (US)
92AQI (US)
86AQI (US)
96AQI (US)
130AQI (US)
117AQI (US)
119AQI (US)
140AQI (US)
121AQI (US)
146AQI (US)
125AQI (US)
99AQI (US)
71AQI (US)
66AQI (US)
57AQI (US)
77AQI (US)
65AQI (US)
67AQI (US)
85AQI (US)
56AQI (US)
54AQI (US)
50AQI (US)
71AQI (US)
117AQI (US)
65AQI (US)
38AQI (US)
50AQI (US)
75AQI (US)
78AQI (US)
69AQI (US)
62AQI (US)
65AQI (US)
77AQI (US)
60AQI (US)
99AQI (US)
107AQI (US)
109AQI (US)
118AQI (US)
76AQI (US)
65AQI (US)
59AQI (US)
56AQI (US)
65AQI (US)
71AQI (US)
82AQI (US)
75AQI (US)
73AQI (US)
68AQI (US)
51AQI (US)
68AQI (US)
45AQI (US)
44AQI (US)
51AQI (US)
69AQI (US)
74AQI (US)
89AQI (US)
78AQI (US)
44AQI (US)
124AQI (US)
115AQI (US)
126AQI (US)
89AQI (US)
71AQI (US)
71AQI (US)
No. of days
2026104AQI (US)
Highest AQI (US) recorded in
March126AQI (US)
Lowest AQI (US) recorded in
June71AQI (US)
202597AQI (US)
Highest AQI (US) recorded in
November128AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
202485AQI (US)
Highest AQI (US) recorded in
October124AQI (US)
Lowest AQI (US) recorded in
August65AQI (US)
2023101AQI (US)
Highest AQI (US) recorded in
March129AQI (US)
Lowest AQI (US) recorded in
December59AQI (US)
2022100AQI (US)
Highest AQI (US) recorded in
January134AQI (US)
Lowest AQI (US) recorded in
August61AQI (US)
2021111AQI (US)
Highest AQI (US) recorded in
March163AQI (US)
Lowest AQI (US) recorded in
July64AQI (US)
2020115AQI (US)
Highest AQI (US) recorded in
December144AQI (US)
Lowest AQI (US) recorded in
May99AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hejian's annual 2026 AQI (US) (104) shows an average percentage change of 3.4% (worsened AQI (US)) compared to previous years: 2020 (115), 2021 (111), 2022 (100), 2023 (101), 2024 (85), 2025 (97).