Air Quality
Excellent
No health implications.
19
PM2.5
48
PM10
65
O3
0.3
CO
7
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
70
Good
Tue
9 Sep
77
Good
Wed
10 Sep
71
Good
Thu
11 Sep
66
Good
Fri
12 Sep
67
Good
Sat
13 Sep
21
Excellent
Sun
14 Sep
33
Excellent
Air quality in the last 12 months (Haiyuan)
|
2025/08
|
43
|
36
|
36
|
32
|
32
|
41
|
42
|
15
|
25
|
36
|
47
|
32
|
32
|
25
|
30
|
24
|
23
|
21
|
41
|
165
|
18
|
27
|
17
|
19
|
18
|
16
|
13
|
16
|
15
|
22
|
28
|
|
2025/07
|
28
|
27
|
55
|
76
|
22
|
33
|
24
|
50
|
25
|
34
|
23
|
35
|
26
|
51
|
51
|
47
|
46
|
53
|
77
|
29
|
28
|
25
|
38
|
25
|
27
|
27
|
29
|
26
|
32
|
30
|
77
|
|
2025/06
|
44
|
45
|
32
|
40
|
35
|
44
|
51
|
51
|
52
|
44
|
49
|
66
|
78
|
90
|
68
|
54
|
51
|
50
|
40
|
30
|
38
|
32
|
23
|
25
|
26
|
22
|
25
|
32
|
54
|
19
|
|
|
2025/05
|
108
|
161
|
96
|
181
|
294
|
162
|
96
|
132
|
102
|
49
|
45
|
59
|
101
|
59
|
53
|
115
|
265
|
69
|
64
|
58
|
172
|
111
|
34
|
40
|
43
|
46
|
35
|
32
|
45
|
98
|
53
|
|
2025/04
|
109
|
95
|
117
|
133
|
83
|
96
|
78
|
159
|
127
|
78
|
252
|
356
|
173
|
49
|
126
|
232
|
108
|
280
|
161
|
160
|
198
|
98
|
60
|
63
|
66
|
50
|
59
|
52
|
94
|
307
|
|
|
2025/03
|
85
|
39
|
43
|
56
|
52
|
45
|
73
|
76
|
118
|
73
|
222
|
95
|
108
|
63
|
47
|
51
|
40
|
31
|
48
|
67
|
65
|
73
|
196
|
199
|
195
|
410
|
118
|
115
|
62
|
74
|
66
|
|
2025/02
|
54
|
48
|
36
|
43
|
39
|
68
|
72
|
61
|
57
|
53
|
111
|
78
|
69
|
54
|
65
|
118
|
81
|
76
|
56
|
69
|
69
|
53
|
38
|
53
|
63
|
58
|
61
|
67
|
|||
|
2025/01
|
64
|
60
|
76
|
93
|
58
|
52
|
59
|
44
|
60
|
64
|
88
|
158
|
290
|
54
|
56
|
55
|
68
|
61
|
61
|
57
|
79
|
74
|
119
|
147
|
101
|
102
|
74
|
75
|
96
|
74
|
51
|
|
2024/12
|
43
|
54
|
59
|
49
|
52
|
49
|
46
|
48
|
58
|
69
|
75
|
59
|
65
|
56
|
72
|
84
|
76
|
59
|
56
|
51
|
52
|
53
|
64
|
85
|
73
|
70
|
38
|
58
|
64
|
55
|
56
|
|
2024/11
|
38
|
38
|
51
|
56
|
60
|
56
|
56
|
51
|
58
|
56
|
52
|
60
|
57
|
55
|
90
|
42
|
42
|
26
|
45
|
52
|
55
|
57
|
60
|
48
|
54
|
73
|
79
|
60
|
41
|
46
|
|
|
2024/10
|
39
|
32
|
35
|
25
|
33
|
49
|
47
|
47
|
55
|
51
|
45
|
35
|
37
|
44
|
54
|
51
|
37
|
44
|
25
|
42
|
36
|
30
|
41
|
38
|
54
|
49
|
39
|
43
|
51
|
37
|
44
|
|
2024/09
|
56
|
38
|
35
|
66
|
19
|
15
|
27
|
37
|
30
|
24
|
24
|
32
|
22
|
33
|
25
|
23
|
42
|
43
|
73
|
43
|
38
|
39
|
42
|
53
|
45
|
40
|
56
|
74
|
30
|
28
|
|
|
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