Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
33
PM2.5
120
*
PM10
118
O3
0.3
CO
8
SO2
6
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
8 May
89
Good
Thu
9 May
92
Good
Fri
10 May
95
Good
Sat
11 May
95
Good
Sun
12 May
92
Good
Mon
13 May
122
Lightly
Tue
14 May
132
Lightly
Air quality in the last 12 months (Hejing)
|
2024/02
|
92
|
82
|
71
|
76
|
64
|
70
|
89
|
112
|
89
|
77
|
83
|
70
|
62
|
99
|
142
|
210
|
398
|
472
|
435
|
282
|
171
|
174
|
196
|
201
|
187
|
167
|
150
|
100
|
153
|
||
|
2024/01
|
98
|
93
|
94
|
73
|
74
|
88
|
93
|
107
|
102
|
96
|
90
|
85
|
74
|
66
|
70
|
70
|
74
|
81
|
81
|
65
|
51
|
35
|
47
|
50
|
74
|
76
|
85
|
88
|
93
|
93
|
89
|
|
2023/12
|
75
|
68
|
71
|
73
|
80
|
91
|
70
|
59
|
39
|
46
|
46
|
59
|
89
|
84
|
106
|
90
|
98
|
107
|
117
|
96
|
86
|
102
|
105
|
182
|
212
|
191
|
159
|
170
|
150
|
119
|
92
|
|
2023/11
|
59
|
83
|
56
|
76
|
219
|
114
|
148
|
175
|
154
|
90
|
41
|
83
|
90
|
67
|
91
|
103
|
92
|
100
|
87
|
91
|
80
|
81
|
53
|
64
|
68
|
86
|
84
|
82
|
67
|
63
|
|
|
2023/10
|
56
|
56
|
58
|
63
|
60
|
52
|
55
|
62
|
57
|
47
|
62
|
82
|
77
|
76
|
65
|
39
|
52
|
77
|
108
|
108
|
97
|
111
|
105
|
77
|
73
|
83
|
85
|
73
|
72
|
70
|
76
|
|
2023/09
|
95
|
69
|
53
|
66
|
53
|
40
|
61
|
81
|
60
|
45
|
66
|
53
|
39
|
34
|
32
|
30
|
38
|
31
|
44
|
81
|
35
|
28
|
26
|
25
|
28
|
124
|
86
|
63
|
49
|
42
|
|
|
2023/08
|
66
|
42
|
55
|
41
|
47
|
64
|
47
|
62
|
46
|
43
|
57
|
57
|
44
|
36
|
34
|
36
|
38
|
45
|
54
|
57
|
61
|
54
|
41
|
35
|
43
|
49
|
47
|
49
|
72
|
77
|
78
|
|
2023/07
|
34
|
61
|
96
|
63
|
42
|
46
|
56
|
44
|
54
|
46
|
32
|
48
|
67
|
73
|
55
|
49
|
53
|
51
|
53
|
56
|
44
|
44
|
42
|
49
|
41
|
66
|
68
|
62
|
53
|
58
|
74
|
|
2023/06
|
39
|
48
|
39
|
44
|
72
|
62
|
53
|
55
|
53
|
58
|
64
|
85
|
56
|
50
|
48
|
45
|
66
|
54
|
53
|
61
|
53
|
45
|
44
|
42
|
38
|
41
|
37
|
67
|
53
|
44
|
|
|
2023/05
|
55
|
69
|
40
|
32
|
34
|
30
|
58
|
53
|
52
|
49
|
92
|
133
|
72
|
61
|
54
|
65
|
60
|
61
|
58
|
41
|
58
|
68
|
38
|
37
|
47
|
37
|
45
|
50
|
34
|
43
|
52
|
|
2023/04
|
196
|
429
|
259
|
152
|
230
|
439
|
499
|
494
|
424
|
148
|
206
|
57
|
80
|
152
|
149
|
135
|
56
|
88
|
70
|
136
|
125
|
156
|
61
|
100
|
98
|
36
|
69
|
73
|
94
|
115
|
|
|
2023/03
|
123
|
124
|
127
|
117
|
115
|
112
|
122
|
120
|
88
|
167
|
152
|
190
|
209
|
115
|
75
|
66
|
87
|
71
|
130
|
212
|
99
|
141
|
148
|
112
|
118
|
128
|
136
|
161
|
110
|
101
|
69
|
|
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