Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
19
PM2.5
45
PM10
177
O3
0.5
CO
8
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 Jun
108
Light
Thu
19 Jun
53
Good
Fri
20 Jun
57
Good
Sat
21 Jun
54
Good
Sun
22 Jun
85
Good
Mon
23 Jun
95
Good
Tue
24 Jun
40
Excellent
Heishan Air quality rank
Air quality in the last 12 months (Heishan)
|
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
|
|
2025/04
|
86
|
46
|
64
|
60
|
44
|
59
|
88
|
44
|
61
|
67
|
68
|
35
|
17
|
21
|
48
|
71
|
83
|
23
|
37
|
50
|
48
|
23
|
53
|
62
|
47
|
76
|
37
|
44
|
73
|
59
|
|
|
2025/03
|
120
|
46
|
40
|
66
|
88
|
51
|
76
|
83
|
144
|
111
|
95
|
96
|
52
|
50
|
44
|
38
|
61
|
37
|
60
|
77
|
58
|
68
|
172
|
66
|
109
|
134
|
51
|
28
|
28
|
33
|
63
|
|
2025/02
|
95
|
114
|
42
|
31
|
42
|
61
|
60
|
42
|
46
|
65
|
85
|
40
|
67
|
93
|
110
|
50
|
30
|
29
|
38
|
35
|
38
|
37
|
39
|
63
|
70
|
75
|
124
|
180
|
|||
|
2025/01
|
50
|
40
|
56
|
91
|
107
|
78
|
42
|
35
|
38
|
58
|
102
|
123
|
85
|
49
|
38
|
65
|
67
|
90
|
58
|
94
|
53
|
67
|
128
|
114
|
83
|
131
|
76
|
65
|
115
|
59
|
82
|
|
2024/12
|
64
|
22
|
39
|
38
|
51
|
25
|
35
|
48
|
78
|
46
|
39
|
74
|
43
|
47
|
37
|
46
|
29
|
44
|
72
|
72
|
38
|
46
|
36
|
70
|
94
|
43
|
41
|
48
|
81
|
76
|
43
|
|
2024/11
|
59
|
63
|
69
|
22
|
34
|
49
|
80
|
95
|
69
|
52
|
45
|
62
|
71
|
35
|
57
|
27
|
19
|
19
|
59
|
85
|
53
|
37
|
83
|
104
|
63
|
25
|
44
|
46
|
57
|
65
|
|
|
2024/10
|
21
|
29
|
35
|
52
|
68
|
49
|
39
|
62
|
54
|
31
|
45
|
51
|
72
|
46
|
24
|
49
|
62
|
49
|
26
|
40
|
40
|
26
|
35
|
62
|
112
|
71
|
24
|
69
|
84
|
49
|
82
|
|
2024/09
|
21
|
20
|
41
|
33
|
17
|
31
|
43
|
48
|
41
|
21
|
39
|
35
|
41
|
14
|
26
|
47
|
42
|
35
|
53
|
11
|
15
|
25
|
45
|
49
|
27
|
43
|
52
|
62
|
49
|
14
|
|
|
2024/08
|
25
|
18
|
45
|
22
|
20
|
29
|
36
|
41
|
54
|
32
|
47
|
24
|
16
|
24
|
28
|
38
|
47
|
51
|
29
|
28
|
22
|
23
|
30
|
52
|
30
|
33
|
27
|
37
|
41
|
42
|
26
|
|
2024/07
|
58
|
66
|
29
|
47
|
60
|
58
|
30
|
55
|
56
|
56
|
61
|
69
|
52
|
56
|
48
|
19
|
25
|
43
|
50
|
31
|
41
|
25
|
39
|
27
|
20
|
9
|
17
|
16
|
27
|
43
|
30
|
|
2024/06
|
23
|
49
|
33
|
49
|
45
|
46
|
36
|
39
|
41
|
53
|
57
|
46
|
33
|
31
|
19
|
42
|
58
|
64
|
47
|
35
|
28
|
53
|
76
|
14
|
22
|
40
|
55
|
40
|
28
|
27
|
|
|
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