Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Real-time AQI (Monitoring Station in Hengshui)
电机北厂
5837
PM2.5
60 *
PM10
74
O3
0.4
CO
5
SO2
16
NO2
市监测站
5714
PM2.5
59 *
PM10
82
O3
0.2
CO
3
SO2
10
NO2
市城管局
5228
PM2.5
52 *
PM10
73
O3
0.3
CO
3
SO2
15
NO2
地表水厂
4611
PM2.5
46
PM10
66
O3
0.2
CO
4
SO2
7
NO2
Air quality in the last 12 months (Hengshui)
|
2026/04
|
99
|
81
|
79
|
65
|
82
|
47
|
45
|
58
|
47
|
59
|
62
|
66
|
66
|
74
|
80
|
63
|
80
|
73
|
68
|
82
|
63
|
36
|
52
|
55
|
57
|
63
|
62
|
46
|
47
|
53
|
|
|
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
|
|
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