Air Quality
Excellent
No health implications.
17
PM2.5
35
PM10
115
O3
0.6
CO
2
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
132
Light
Thu
17 Jul
107
Light
Fri
18 Jul
101
Light
Sat
19 Jul
73
Good
Sun
20 Jul
54
Good
Mon
21 Jul
57
Good
Tue
22 Jul
47
Excellent
Huishan Air quality rank
Air quality in the last 12 months (Huishan)
|
2025/06
|
15
|
11
|
46
|
59
|
56
|
39
|
44
|
20
|
24
|
40
|
32
|
28
|
25
|
30
|
17
|
31
|
52
|
54
|
28
|
22
|
17
|
13
|
23
|
32
|
40
|
43
|
29
|
22
|
21
|
38
|
|
|
2025/05
|
51
|
56
|
50
|
34
|
37
|
84
|
71
|
45
|
21
|
44
|
42
|
44
|
50
|
47
|
78
|
37
|
52
|
74
|
54
|
40
|
25
|
51
|
25
|
52
|
57
|
44
|
37
|
43
|
52
|
51
|
51
|
|
2025/04
|
46
|
59
|
49
|
57
|
68
|
75
|
73
|
64
|
81
|
96
|
78
|
160
|
101
|
79
|
56
|
50
|
58
|
65
|
70
|
50
|
55
|
54
|
64
|
79
|
62
|
47
|
45
|
63
|
54
|
56
|
|
|
2025/03
|
55
|
61
|
21
|
19
|
32
|
40
|
63
|
70
|
53
|
49
|
64
|
49
|
42
|
43
|
33
|
45
|
50
|
44
|
56
|
56
|
57
|
58
|
64
|
65
|
78
|
76
|
93
|
52
|
74
|
43
|
42
|
|
2025/02
|
22
|
67
|
70
|
67
|
56
|
36
|
56
|
31
|
43
|
56
|
41
|
86
|
67
|
46
|
86
|
100
|
66
|
50
|
53
|
36
|
32
|
55
|
68
|
79
|
97
|
95
|
97
|
97
|
|||
|
2025/01
|
84
|
59
|
65
|
58
|
91
|
91
|
71
|
69
|
31
|
53
|
67
|
71
|
81
|
110
|
54
|
65
|
71
|
76
|
97
|
162
|
135
|
72
|
41
|
41
|
30
|
42
|
56
|
51
|
83
|
63
|
49
|
|
2024/12
|
64
|
74
|
65
|
39
|
57
|
112
|
136
|
38
|
58
|
43
|
59
|
63
|
73
|
67
|
70
|
69
|
75
|
72
|
38
|
61
|
82
|
51
|
51
|
66
|
83
|
117
|
62
|
68
|
66
|
81
|
87
|
|
2024/11
|
20
|
53
|
84
|
83
|
47
|
39
|
35
|
39
|
36
|
48
|
53
|
50
|
55
|
46
|
83
|
52
|
30
|
28
|
31
|
32
|
59
|
74
|
36
|
33
|
28
|
43
|
78
|
70
|
55
|
65
|
|
|
2024/10
|
19
|
30
|
22
|
25
|
23
|
12
|
13
|
39
|
50
|
73
|
80
|
68
|
38
|
37
|
65
|
52
|
39
|
39
|
29
|
38
|
27
|
37
|
46
|
39
|
45
|
31
|
21
|
59
|
44
|
40
|
30
|
|
2024/09
|
30
|
34
|
23
|
23
|
20
|
27
|
49
|
34
|
12
|
30
|
13
|
27
|
24
|
29
|
26
|
17
|
22
|
30
|
22
|
14
|
26
|
32
|
34
|
43
|
53
|
33
|
35
|
40
|
43
|
42
|
|
|
2024/08
|
17
|
20
|
38
|
28
|
29
|
28
|
41
|
26
|
36
|
39
|
36
|
33
|
33
|
25
|
19
|
31
|
26
|
18
|
17
|
17
|
24
|
32
|
40
|
26
|
25
|
23
|
26
|
26
|
18
|
25
|
31
|
|
2024/07
|
15
|
21
|
16
|
26
|
24
|
24
|
19
|
23
|
23
|
21
|
23
|
23
|
14
|
20
|
43
|
48
|
29
|
16
|
18
|
22
|
28
|
25
|
25
|
16
|
14
|
15
|
13
|
12
|
15
|
15
|
18
|
|
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