Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
85
*
PM10
43
O3
0.3
CO
5
SO2
31
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Aug
59
Good
Fri
22 Aug
64
Good
Sat
23 Aug
67
Good
Sun
24 Aug
65
Good
Mon
25 Aug
68
Good
Tue
26 Aug
50
Excellent
Wed
27 Aug
49
Excellent
Hejing Air quality rank
Air quality in the last 12 months (Hejing)
|
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
|
|
2024/11
|
65
|
72
|
75
|
73
|
91
|
86
|
81
|
56
|
47
|
60
|
66
|
66
|
75
|
51
|
33
|
51
|
63
|
61
|
72
|
70
|
60
|
66
|
56
|
48
|
42
|
41
|
55
|
87
|
72
|
79
|
|
|
2024/10
|
75
|
69
|
72
|
42
|
39
|
58
|
69
|
71
|
67
|
75
|
88
|
88
|
68
|
62
|
73
|
75
|
58
|
40
|
34
|
41
|
39
|
66
|
92
|
84
|
63
|
73
|
72
|
79
|
46
|
35
|
45
|
|
2024/09
|
84
|
55
|
15
|
24
|
108
|
94
|
88
|
41
|
91
|
49
|
51
|
76
|
71
|
68
|
43
|
66
|
80
|
74
|
59
|
64
|
72
|
85
|
47
|
34
|
37
|
63
|
32
|
33
|
45
|
39
|
|
|
2024/08
|
40
|
56
|
52
|
39
|
39
|
55
|
20
|
19
|
46
|
56
|
31
|
26
|
33
|
30
|
56
|
46
|
58
|
64
|
49
|
51
|
73
|
52
|
47
|
57
|
75
|
50
|
58
|
46
|
51
|
38
|
31
|
|
2024/07
|
47
|
39
|
21
|
38
|
41
|
53
|
31
|
43
|
42
|
28
|
48
|
46
|
29
|
31
|
31
|
50
|
45
|
43
|
62
|
70
|
74
|
57
|
63
|
61
|
60
|
47
|
37
|
43
|
46
|
47
|
52
|
|
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