Air Quality
Excellent
No health implications.
3
PM2.5
10
PM10
32
O3
0.5
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
46
Excellent
Sat
29 Aug
54
Good
Sun
30 Aug
52
Good
Mon
31 Aug
53
Good
Tue
1 Sep
49
Excellent
Wed
2 Sep
16
Excellent
Thu
3 Sep
22
Excellent
Air quality in the last 12 months (Heishan)
|
2026/07
|
42
|
46
|
53
|
53
|
37
|
40
|
41
|
35
|
46
|
35
|
26
|
34
|
28
|
19
|
35
|
40
|
59
|
62
|
34
|
43
|
43
|
56
|
38
|
38
|
35
|
37
|
48
|
56
|
51
|
49
|
46
|
|
2026/06
|
64
|
63
|
47
|
28
|
22
|
24
|
26
|
35
|
39
|
31
|
35
|
60
|
46
|
42
|
44
|
38
|
36
|
54
|
40
|
31
|
25
|
41
|
36
|
39
|
37
|
55
|
56
|
65
|
43
|
35
|
|
|
2026/05
|
42
|
47
|
24
|
42
|
72
|
39
|
26
|
33
|
46
|
54
|
55
|
51
|
50
|
45
|
45
|
42
|
39
|
25
|
36
|
32
|
43
|
33
|
31
|
45
|
30
|
34
|
39
|
38
|
32
|
47
|
79
|
|
2026/04
|
62
|
73
|
84
|
34
|
42
|
27
|
29
|
74
|
52
|
46
|
48
|
75
|
40
|
57
|
76
|
90
|
64
|
94
|
76
|
138
|
77
|
43
|
52
|
63
|
74
|
37
|
35
|
28
|
38
|
52
|
|
|
2026/03
|
104
|
109
|
146
|
66
|
35
|
27
|
46
|
62
|
36
|
60
|
67
|
65
|
84
|
58
|
141
|
91
|
138
|
38
|
53
|
54
|
106
|
135
|
103
|
126
|
91
|
116
|
42
|
67
|
55
|
32
|
54
|
|
2026/02
|
63
|
39
|
80
|
90
|
114
|
34
|
39
|
51
|
75
|
74
|
75
|
126
|
144
|
98
|
60
|
44
|
160
|
27
|
61
|
106
|
111
|
116
|
41
|
77
|
85
|
50
|
64
|
60
|
|||
|
2026/01
|
43
|
59
|
69
|
79
|
41
|
70
|
41
|
42
|
83
|
37
|
25
|
51
|
33
|
62
|
66
|
36
|
32
|
33
|
41
|
38
|
38
|
45
|
50
|
50
|
41
|
80
|
36
|
36
|
51
|
57
|
71
|
|
2025/12
|
46
|
26
|
33
|
49
|
52
|
91
|
84
|
35
|
60
|
123
|
34
|
62
|
95
|
115
|
92
|
69
|
68
|
89
|
75
|
33
|
37
|
54
|
51
|
49
|
32
|
42
|
93
|
116
|
29
|
33
|
30
|
|
2025/11
|
68
|
31
|
58
|
48
|
103
|
50
|
84
|
195
|
32
|
32
|
45
|
89
|
35
|
77
|
138
|
59
|
42
|
47
|
70
|
34
|
57
|
81
|
130
|
146
|
31
|
54
|
35
|
61
|
65
|
30
|
|
|
2025/10
|
76
|
65
|
52
|
43
|
36
|
32
|
51
|
25
|
38
|
46
|
58
|
43
|
65
|
89
|
58
|
33
|
42
|
17
|
27
|
26
|
36
|
52
|
44
|
57
|
93
|
41
|
40
|
59
|
86
|
37
|
63
|
|
2025/09
|
42
|
50
|
52
|
47
|
42
|
30
|
33
|
29
|
40
|
28
|
51
|
38
|
43
|
36
|
27
|
30
|
17
|
30
|
46
|
45
|
42
|
54
|
43
|
30
|
36
|
49
|
67
|
38
|
50
|
54
|
|
|
2025/08
|
39
|
30
|
25
|
16
|
27
|
17
|
24
|
28
|
26
|
23
|
33
|
35
|
22
|
37
|
40
|
24
|
20
|
33
|
41
|
31
|
38
|
22
|
36
|
16
|
16
|
22
|
36
|
13
|
29
|
41
|
38
|
|
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