Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
67
*
PM10
127
O3
0.6
CO
10
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 May
103
Light
Wed
13 May
92
Good
Thu
14 May
90
Good
Fri
15 May
86
Good
Sat
16 May
87
Good
Sun
17 May
48
Excellent
Mon
18 May
48
Excellent
Air quality in the last 12 months (Heishan)
|
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
|
|
|
2025/05
|
37
|
36
|
42
|
31
|
31
|
38
|
49
|
63
|
39
|
41
|
67
|
75
|
63
|
63
|
68
|
51
|
30
|
32
|
57
|
61
|
61
|
69
|
32
|
50
|
34
|
50
|
58
|
58
|
47
|
58
|
51
|
|
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