Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
16
PM2.5
61
*
PM10
84
O3
0.4
CO
9
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
8 Apr
81
Good
Thu
9 Apr
73
Good
Fri
10 Apr
69
Good
Sat
11 Apr
85
Good
Sun
12 Apr
74
Good
Mon
13 Apr
62
Good
Tue
14 Apr
39
Excellent
Heishan Air quality rank
Air quality in the last 12 months (Heishan)
|
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
|
|
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
|
|
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