Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
64
*
PM10
77
O3
0.5
CO
7
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 Jan
93
Good
Wed
14 Jan
91
Good
Thu
15 Jan
92
Good
Fri
16 Jan
93
Good
Sat
17 Jan
93
Good
Sun
18 Jan
99
Good
Mon
19 Jan
34
Excellent
Air quality in the last 12 months (Hejing)
|
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
|
|
|
2025/08
|
32
|
31
|
30
|
36
|
42
|
23
|
37
|
44
|
24
|
45
|
33
|
34
|
32
|
36
|
33
|
24
|
41
|
37
|
30
|
43
|
42
|
23
|
26
|
43
|
53
|
27
|
35
|
96
|
61
|
46
|
61
|
|
2025/07
|
30
|
22
|
18
|
56
|
66
|
62
|
27
|
25
|
27
|
23
|
49
|
30
|
97
|
60
|
51
|
49
|
43
|
22
|
66
|
73
|
57
|
46
|
63
|
81
|
43
|
47
|
54
|
53
|
56
|
65
|
37
|
|
2025/06
|
28
|
26
|
27
|
39
|
54
|
55
|
48
|
49
|
41
|
51
|
52
|
35
|
15
|
31
|
28
|
46
|
43
|
20
|
31
|
33
|
30
|
25
|
37
|
45
|
29
|
46
|
39
|
16
|
52
|
35
|
|
|
2025/05
|
83
|
81
|
33
|
246
|
346
|
65
|
94
|
163
|
70
|
67
|
62
|
45
|
38
|
73
|
76
|
55
|
68
|
133
|
101
|
39
|
80
|
94
|
89
|
67
|
54
|
76
|
79
|
60
|
128
|
94
|
76
|
|
2025/04
|
423
|
395
|
175
|
124
|
320
|
168
|
99
|
62
|
66
|
130
|
54
|
45
|
116
|
230
|
114
|
78
|
289
|
400
|
180
|
90
|
70
|
236
|
175
|
150
|
90
|
44
|
45
|
76
|
115
|
102
|
|
|
2025/03
|
102
|
98
|
73
|
66
|
67
|
172
|
214
|
88
|
104
|
107
|
264
|
141
|
73
|
144
|
75
|
110
|
120
|
161
|
142
|
96
|
129
|
262
|
272
|
140
|
202
|
420
|
149
|
88
|
196
|
329
|
380
|
|
2025/02
|
66
|
78
|
71
|
60
|
57
|
180
|
139
|
186
|
148
|
110
|
211
|
275
|
155
|
155
|
149
|
137
|
117
|
102
|
118
|
108
|
84
|
68
|
75
|
221
|
223
|
173
|
154
|
113
|
|||
|
2025/01
|
101
|
85
|
72
|
77
|
72
|
68
|
62
|
63
|
55
|
44
|
36
|
34
|
69
|
59
|
45
|
61
|
75
|
69
|
67
|
80
|
91
|
82
|
62
|
51
|
141
|
418
|
240
|
246
|
163
|
153
|
114
|
|
2024/12
|
76
|
76
|
61
|
60
|
51
|
51
|
58
|
56
|
50
|
23
|
29
|
38
|
32
|
42
|
49
|
44
|
42
|
51
|
49
|
54
|
55
|
61
|
68
|
78
|
74
|
64
|
62
|
87
|
95
|
82
|
75
|
|
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