Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
Fri
24 Apr
Sat
25 Apr
Sun
26 Apr
Mon
27 Apr
Tue
28 Apr
Wed
29 Apr
Real-time AQI (Monitoring Station in Hengshui)
电机北厂
3317
PM2.5
33
PM10
96
O3
0.2
CO
4
SO2
17
NO2
市监测站
4618
PM2.5
46
PM10
76
O3
0.3
CO
6
SO2
27
NO2
市城管局
4427
PM2.5
44
PM10
69
O3
0.3
CO
4
SO2
32
NO2
地表水厂
5013
PM2.5
50
PM10
25
O3
0.4
CO
3
SO2
60
NO2
Air quality in the last 12 months (Hengshui)
|
2026/03
|
77
|
101
|
111
|
105
|
67
|
60
|
70
|
115
|
71
|
126
|
164
|
96
|
161
|
116
|
40
|
72
|
141
|
60
|
54
|
86
|
99
|
82
|
97
|
117
|
112
|
91
|
87
|
88
|
51
|
46
|
54
|
|
2026/02
|
200
|
150
|
126
|
149
|
126
|
57
|
56
|
58
|
87
|
93
|
103
|
100
|
132
|
146
|
44
|
38
|
93
|
70
|
70
|
67
|
177
|
143
|
59
|
81
|
55
|
71
|
67
|
63
|
|||
|
2026/01
|
54
|
64
|
140
|
215
|
231
|
124
|
46
|
63
|
130
|
69
|
45
|
73
|
69
|
84
|
141
|
98
|
47
|
50
|
41
|
44
|
55
|
121
|
141
|
203
|
136
|
87
|
150
|
225
|
72
|
83
|
169
|
|
2025/12
|
76
|
37
|
42
|
66
|
80
|
136
|
93
|
42
|
132
|
177
|
104
|
33
|
76
|
83
|
100
|
163
|
117
|
195
|
244
|
128
|
53
|
59
|
92
|
106
|
36
|
59
|
119
|
177
|
136
|
88
|
36
|
|
2025/11
|
69
|
33
|
65
|
104
|
124
|
174
|
70
|
73
|
67
|
78
|
111
|
119
|
98
|
80
|
138
|
113
|
35
|
47
|
52
|
56
|
62
|
102
|
99
|
133
|
37
|
127
|
54
|
138
|
150
|
192
|
|
|
2025/10
|
80
|
34
|
36
|
41
|
25
|
24
|
36
|
35
|
11
|
18
|
20
|
41
|
34
|
48
|
84
|
80
|
43
|
25
|
37
|
35
|
44
|
55
|
69
|
82
|
82
|
58
|
80
|
146
|
113
|
157
|
146
|
|
2025/09
|
41
|
40
|
43
|
49
|
50
|
47
|
62
|
66
|
49
|
49
|
59
|
47
|
57
|
58
|
48
|
45
|
31
|
40
|
27
|
43
|
51
|
34
|
36
|
48
|
58
|
54
|
33
|
57
|
68
|
70
|
|
|
2025/08
|
41
|
36
|
45
|
31
|
51
|
33
|
45
|
43
|
28
|
37
|
38
|
39
|
38
|
48
|
46
|
16
|
26
|
28
|
43
|
25
|
35
|
29
|
40
|
21
|
32
|
40
|
45
|
29
|
44
|
31
|
32
|
|
2025/07
|
24
|
27
|
25
|
36
|
32
|
31
|
34
|
37
|
46
|
57
|
57
|
54
|
46
|
41
|
53
|
45
|
44
|
44
|
57
|
44
|
43
|
40
|
25
|
29
|
39
|
38
|
34
|
42
|
35
|
34
|
31
|
|
2025/06
|
86
|
93
|
46
|
40
|
61
|
83
|
78
|
61
|
71
|
45
|
76
|
80
|
69
|
61
|
32
|
31
|
45
|
59
|
27
|
45
|
50
|
45
|
55
|
53
|
61
|
54
|
53
|
40
|
37
|
37
|
|
|
2025/05
|
50
|
66
|
37
|
55
|
102
|
51
|
77
|
72
|
39
|
34
|
51
|
60
|
67
|
59
|
37
|
77
|
117
|
71
|
93
|
79
|
71
|
74
|
67
|
55
|
51
|
59
|
58
|
62
|
62
|
64
|
65
|
|
2025/04
|
65
|
34
|
57
|
87
|
43
|
72
|
99
|
78
|
67
|
75
|
115
|
164
|
51
|
52
|
57
|
93
|
119
|
58
|
37
|
65
|
60
|
64
|
74
|
52
|
66
|
84
|
68
|
51
|
60
|
87
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution