Air Quality
Excellent
No health implications.
21
PM2.5
39
PM10
105
O3
0.7
CO
7
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
109
Light
Mon
29 Jun
72
Good
Tue
30 Jun
79
Good
Wed
1 Jul
64
Good
Thu
2 Jul
70
Good
Fri
3 Jul
41
Excellent
Sat
4 Jul
27
Excellent
Air quality in the last 12 months (Heishan)
|
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
|
|
2025/07
|
31
|
33
|
15
|
32
|
38
|
19
|
35
|
43
|
31
|
35
|
40
|
37
|
17
|
21
|
24
|
24
|
21
|
19
|
27
|
16
|
25
|
33
|
20
|
21
|
31
|
36
|
38
|
31
|
22
|
14
|
37
|
|
2025/06
|
26
|
51
|
39
|
19
|
44
|
37
|
16
|
40
|
35
|
17
|
41
|
47
|
32
|
35
|
35
|
21
|
29
|
43
|
35
|
27
|
23
|
32
|
52
|
49
|
45
|
40
|
40
|
31
|
49
|
24
|
|
|
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