Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
59
PM2.5
258
*
PM10
72
O3
0.3
CO
7
SO2
8
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
27 Oct
117
Light
Wed
28 Oct
103
Light
Thu
29 Oct
115
Light
Fri
30 Oct
137
Light
Sat
31 Oct
122
Light
Sun
1 Nov
117
Light
Mon
2 Nov
48
Excellent
Air quality in the last 12 months (Hejing)
|
2026/08
|
42
|
44
|
63
|
48
|
46
|
40
|
39
|
44
|
45
|
42
|
39
|
37
|
43
|
40
|
39
|
36
|
80
|
66
|
39
|
41
|
38
|
60
|
62
|
49
|
61
|
34
|
37
|
49
|
62
|
51
|
55
|
|
2026/07
|
37
|
37
|
37
|
56
|
53
|
53
|
46
|
45
|
42
|
38
|
59
|
59
|
43
|
44
|
59
|
37
|
46
|
75
|
68
|
48
|
51
|
44
|
55
|
49
|
63
|
50
|
43
|
42
|
38
|
35
|
34
|
|
2026/06
|
121
|
51
|
42
|
34
|
36
|
44
|
50
|
37
|
36
|
44
|
45
|
48
|
48
|
43
|
41
|
85
|
59
|
43
|
69
|
64
|
37
|
43
|
35
|
66
|
57
|
61
|
61
|
39
|
35
|
43
|
|
|
2026/05
|
109
|
60
|
55
|
51
|
64
|
36
|
78
|
117
|
66
|
103
|
92
|
60
|
31
|
40
|
40
|
120
|
84
|
68
|
62
|
150
|
183
|
144
|
108
|
48
|
74
|
91
|
131
|
93
|
98
|
56
|
110
|
|
2026/04
|
90
|
65
|
60
|
59
|
44
|
43
|
86
|
87
|
63
|
87
|
60
|
58
|
64
|
61
|
73
|
92
|
85
|
55
|
44
|
80
|
73
|
70
|
84
|
83
|
53
|
52
|
68
|
38
|
53
|
97
|
|
|
2026/03
|
64
|
60
|
57
|
73
|
79
|
61
|
65
|
80
|
90
|
100
|
182
|
141
|
78
|
168
|
134
|
110
|
107
|
112
|
116
|
89
|
73
|
90
|
94
|
82
|
71
|
43
|
94
|
120
|
88
|
100
|
107
|
|
2026/02
|
65
|
66
|
86
|
76
|
65
|
72
|
107
|
140
|
122
|
168
|
193
|
149
|
118
|
85
|
58
|
67
|
89
|
114
|
195
|
128
|
104
|
85
|
117
|
71
|
84
|
83
|
101
|
76
|
|||
|
2026/01
|
46
|
84
|
80
|
63
|
41
|
44
|
53
|
56
|
64
|
66
|
36
|
59
|
58
|
57
|
63
|
52
|
52
|
60
|
63
|
103
|
178
|
170
|
157
|
140
|
131
|
117
|
108
|
101
|
78
|
75
|
69
|
|
2025/12
|
60
|
58
|
63
|
59
|
66
|
76
|
70
|
65
|
64
|
66
|
102
|
91
|
123
|
89
|
79
|
100
|
108
|
88
|
69
|
60
|
46
|
57
|
62
|
64
|
50
|
45
|
39
|
58
|
69
|
54
|
53
|
|
2025/11
|
77
|
80
|
87
|
83
|
62
|
29
|
44
|
59
|
74
|
83
|
85
|
73
|
81
|
83
|
75
|
48
|
35
|
70
|
85
|
95
|
98
|
101
|
103
|
91
|
86
|
74
|
106
|
79
|
81
|
60
|
|
|
2025/10
|
76
|
55
|
22
|
34
|
64
|
37
|
42
|
64
|
66
|
61
|
67
|
72
|
66
|
27
|
30
|
80
|
54
|
78
|
62
|
65
|
74
|
86
|
94
|
89
|
93
|
81
|
79
|
74
|
75
|
67
|
70
|
|
2025/09
|
108
|
393
|
333
|
54
|
102
|
207
|
200
|
127
|
126
|
50
|
40
|
43
|
56
|
36
|
39
|
29
|
32
|
48
|
47
|
42
|
21
|
76
|
75
|
27
|
11
|
22
|
59
|
61
|
65
|
95
|
|
|
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
Air quality source: CNEMC
*: primary pollution