Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
62
*
PM10
23
O3
0.6
CO
8
SO2
50
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 May
58
Good
Mon
5 May
53
Good
Tue
6 May
56
Good
Wed
7 May
79
Good
Thu
8 May
74
Good
Fri
9 May
38
Excellent
Sat
10 May
42
Excellent
Air quality in the last 12 months (Heishan)
|
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
|
|
|
2024/05
|
54
|
58
|
70
|
54
|
51
|
63
|
58
|
67
|
75
|
80
|
89
|
38
|
64
|
76
|
53
|
61
|
62
|
66
|
32
|
30
|
53
|
51
|
33
|
32
|
54
|
34
|
21
|
43
|
58
|
47
|
21
|
|
2024/04
|
64
|
91
|
48
|
55
|
94
|
92
|
93
|
73
|
124
|
115
|
96
|
88
|
50
|
39
|
222
|
71
|
59
|
60
|
58
|
121
|
86
|
55
|
47
|
43
|
58
|
66
|
44
|
23
|
47
|
60
|
|
|
2024/03
|
40
|
46
|
51
|
74
|
52
|
49
|
77
|
44
|
81
|
106
|
113
|
66
|
90
|
149
|
104
|
188
|
106
|
73
|
39
|
34
|
74
|
49
|
84
|
27
|
34
|
63
|
96
|
206
|
104
|
69
|
73
|
|
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