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
17 May
Sun
18 May
Mon
19 May
Tue
20 May
Wed
21 May
Thu
22 May
Fri
23 May
Real-time AQI (Monitoring Station in Hengshui)
电机北厂
4028
PM2.5
39
PM10
110
O3
0.2
CO
3
SO2
5
NO2
市监测站
3712
PM2.5
37
PM10
108
O3
0.2
CO
3
SO2
1
NO2
市城管局
3622
PM2.5
32
PM10
113
O3
0.3
CO
2
SO2
2
NO2
地表水厂
5026
PM2.5
50
PM10
103
O3
0.2
CO
5
SO2
13
NO2
Air quality in the last 12 months (Hengshui)
|
2025/02
|
79
|
101
|
42
|
24
|
38
|
102
|
36
|
22
|
54
|
82
|
119
|
89
|
83
|
79
|
97
|
52
|
38
|
52
|
61
|
77
|
66
|
56
|
38
|
60
|
69
|
87
|
116
|
166
|
|||
|
2025/01
|
137
|
44
|
65
|
135
|
141
|
35
|
43
|
41
|
34
|
55
|
74
|
73
|
77
|
83
|
43
|
62
|
72
|
112
|
88
|
81
|
139
|
51
|
67
|
94
|
106
|
101
|
32
|
54
|
187
|
88
|
69
|
|
2024/12
|
94
|
42
|
52
|
96
|
78
|
72
|
34
|
50
|
101
|
121
|
69
|
73
|
81
|
59
|
56
|
68
|
64
|
37
|
50
|
79
|
34
|
51
|
71
|
99
|
161
|
53
|
61
|
53
|
79
|
100
|
91
|
|
2024/11
|
74
|
71
|
118
|
47
|
46
|
59
|
69
|
59
|
57
|
98
|
135
|
152
|
147
|
47
|
64
|
68
|
53
|
35
|
49
|
70
|
69
|
57
|
59
|
66
|
61
|
27
|
40
|
39
|
48
|
74
|
|
|
2024/10
|
31
|
28
|
38
|
58
|
61
|
71
|
73
|
56
|
96
|
91
|
67
|
88
|
135
|
169
|
118
|
57
|
110
|
35
|
24
|
29
|
47
|
63
|
66
|
112
|
105
|
128
|
127
|
58
|
123
|
200
|
206
|
|
2024/09
|
48
|
37
|
33
|
52
|
38
|
30
|
48
|
57
|
72
|
25
|
29
|
32
|
39
|
44
|
36
|
38
|
54
|
47
|
49
|
42
|
18
|
19
|
34
|
57
|
70
|
95
|
69
|
73
|
70
|
25
|
|
|
2024/08
|
36
|
37
|
31
|
28
|
28
|
37
|
39
|
40
|
39
|
62
|
30
|
30
|
31
|
40
|
47
|
44
|
41
|
24
|
19
|
31
|
34
|
52
|
55
|
39
|
54
|
24
|
24
|
38
|
44
|
57
|
50
|
|
2024/07
|
46
|
49
|
47
|
66
|
40
|
29
|
44
|
48
|
62
|
55
|
65
|
60
|
64
|
86
|
74
|
55
|
47
|
50
|
35
|
26
|
36
|
35
|
32
|
41
|
17
|
24
|
30
|
20
|
19
|
18
|
22
|
|
2024/06
|
39
|
71
|
43
|
65
|
73
|
76
|
77
|
64
|
85
|
84
|
85
|
74
|
103
|
53
|
52
|
45
|
49
|
57
|
54
|
60
|
64
|
63
|
116
|
74
|
59
|
76
|
50
|
66
|
59
|
58
|
|
|
2024/05
|
48
|
54
|
51
|
51
|
47
|
61
|
57
|
70
|
71
|
58
|
124
|
59
|
86
|
95
|
26
|
49
|
63
|
73
|
82
|
26
|
42
|
66
|
63
|
48
|
44
|
46
|
38
|
47
|
62
|
57
|
41
|
|
2024/04
|
86
|
67
|
48
|
43
|
62
|
78
|
67
|
84
|
48
|
102
|
110
|
56
|
65
|
41
|
96
|
87
|
83
|
82
|
81
|
62
|
81
|
84
|
61
|
67
|
93
|
76
|
68
|
59
|
43
|
49
|
|
|
2024/03
|
37
|
91
|
89
|
82
|
83
|
74
|
84
|
35
|
65
|
81
|
107
|
80
|
86
|
111
|
74
|
80
|
67
|
90
|
81
|
65
|
91
|
95
|
83
|
75
|
45
|
61
|
59
|
171
|
155
|
77
|
80
|
|
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