Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
100
*
PM10
148
O3
0.3
CO
7
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 May
76
Good
Sun
19 May
78
Good
Mon
20 May
84
Good
Tue
21 May
80
Good
Wed
22 May
77
Good
Thu
23 May
82
Good
Fri
24 May
74
Good
Air quality in the last 12 months (Haiyuan)
|
2024/02
|
105
|
67
|
61
|
72
|
83
|
61
|
92
|
92
|
66
|
182
|
62
|
59
|
64
|
63
|
50
|
55
|
107
|
333
|
222
|
225
|
117
|
66
|
90
|
120
|
117
|
95
|
99
|
87
|
62
|
||
|
2024/01
|
63
|
53
|
59
|
49
|
41
|
51
|
63
|
90
|
116
|
73
|
66
|
70
|
77
|
71
|
78
|
114
|
102
|
89
|
93
|
98
|
36
|
40
|
39
|
52
|
65
|
62
|
61
|
69
|
77
|
71
|
93
|
|
2023/12
|
60
|
70
|
61
|
50
|
216
|
142
|
91
|
64
|
65
|
73
|
63
|
81
|
74
|
117
|
78
|
70
|
66
|
66
|
83
|
69
|
54
|
80
|
64
|
56
|
67
|
70
|
93
|
116
|
86
|
60
|
68
|
|
2023/11
|
53
|
73
|
52
|
52
|
55
|
52
|
52
|
70
|
66
|
64
|
61
|
53
|
62
|
75
|
226
|
109
|
46
|
53
|
59
|
60
|
106
|
175
|
77
|
79
|
85
|
74
|
65
|
58
|
55
|
57
|
|
|
2023/10
|
43
|
37
|
47
|
37
|
27
|
25
|
33
|
39
|
41
|
44
|
29
|
24
|
35
|
40
|
46
|
41
|
45
|
41
|
33
|
38
|
39
|
44
|
48
|
54
|
51
|
56
|
53
|
45
|
52
|
59
|
56
|
|
2023/09
|
56
|
59
|
61
|
57
|
51
|
41
|
128
|
37
|
38
|
45
|
43
|
47
|
39
|
36
|
35
|
36
|
62
|
43
|
33
|
34
|
33
|
24
|
43
|
26
|
32
|
33
|
37
|
37
|
46
|
53
|
|
|
2023/08
|
51
|
51
|
53
|
56
|
41
|
42
|
33
|
26
|
23
|
52
|
37
|
34
|
40
|
36
|
37
|
242
|
64
|
45
|
49
|
47
|
50
|
48
|
58
|
51
|
36
|
35
|
40
|
37
|
32
|
36
|
36
|
|
2023/07
|
75
|
59
|
58
|
58
|
52
|
45
|
53
|
50
|
49
|
50
|
41
|
41
|
32
|
68
|
44
|
44
|
38
|
39
|
40
|
137
|
45
|
45
|
43
|
34
|
34
|
36
|
33
|
27
|
27
|
26
|
35
|
|
2023/06
|
61
|
32
|
31
|
34
|
43
|
46
|
43
|
49
|
48
|
54
|
101
|
48
|
51
|
51
|
48
|
39
|
34
|
81
|
59
|
48
|
43
|
43
|
53
|
49
|
40
|
111
|
58
|
83
|
52
|
48
|
|
|
2023/05
|
91
|
81
|
55
|
94
|
77
|
42
|
25
|
23
|
26
|
44
|
68
|
62
|
58
|
86
|
60
|
79
|
86
|
52
|
87
|
141
|
56
|
38
|
47
|
65
|
60
|
57
|
36
|
38
|
35
|
87
|
53
|
|
2023/04
|
70
|
202
|
50
|
42
|
142
|
143
|
86
|
83
|
91
|
219
|
184
|
156
|
99
|
42
|
116
|
131
|
99
|
96
|
319
|
420
|
52
|
36
|
22
|
30
|
83
|
79
|
79
|
288
|
72
|
64
|
|
|
2023/03
|
70
|
77
|
72
|
62
|
57
|
66
|
69
|
79
|
68
|
188
|
248
|
94
|
77
|
120
|
96
|
83
|
90
|
78
|
60
|
81
|
492
|
269
|
108
|
51
|
96
|
83
|
70
|
57
|
54
|
53
|
49
|
|
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