Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
46
PM2.5
223
*
PM10
85
O3
0.5
CO
8
SO2
5
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
20 Feb
113
Light
Sat
21 Feb
147
Light
Sun
22 Feb
136
Light
Mon
23 Feb
143
Light
Tue
24 Feb
126
Light
Wed
25 Feb
130
Light
Thu
26 Feb
32
Excellent
Hejing Air quality rank
Air quality in the last 12 months (Hejing)
|
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
|
|
|
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
|
|||
|
1
|
2
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3
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4
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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