Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
102
*
PM10
97
O3
0.2
CO
7
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
97
Good
Thu
30 Apr
93
Good
Fri
1 May
101
Light
Sat
2 May
95
Good
Sun
3 May
97
Good
Mon
4 May
92
Good
Tue
5 May
43
Excellent
Air quality in the last 12 months (Hejing)
|
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
|
|
|
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
|
|
|
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