Air Quality
Excellent
No health implications.
21
PM2.5
23
PM10
99
O3
0.5
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
41
Excellent
Wed
30 Apr
85
Good
Thu
1 May
104
Light
Fri
2 May
116
Light
Sat
3 May
90
Good
Sun
4 May
80
Good
Mon
5 May
25
Excellent
Air quality in the last 12 months (Nan'an)
|
2025/02
|
101
|
66
|
43
|
44
|
52
|
52
|
43
|
48
|
61
|
65
|
71
|
72
|
45
|
47
|
47
|
57
|
58
|
52
|
55
|
50
|
50
|
48
|
49
|
49
|
65
|
68
|
69
|
69
|
|||
|
2025/01
|
129
|
146
|
165
|
161
|
109
|
99
|
82
|
45
|
50
|
50
|
59
|
69
|
87
|
94
|
90
|
79
|
88
|
108
|
110
|
109
|
110
|
171
|
201
|
105
|
41
|
38
|
53
|
70
|
147
|
146
|
113
|
|
2024/12
|
96
|
106
|
101
|
94
|
42
|
49
|
43
|
42
|
45
|
45
|
70
|
61
|
57
|
51
|
57
|
75
|
101
|
110
|
92
|
90
|
105
|
88
|
60
|
102
|
113
|
124
|
114
|
113
|
102
|
108
|
105
|
|
2024/11
|
63
|
55
|
72
|
72
|
46
|
52
|
72
|
82
|
47
|
52
|
72
|
62
|
50
|
59
|
50
|
42
|
32
|
33
|
30
|
37
|
35
|
48
|
49
|
39
|
31
|
46
|
55
|
53
|
70
|
89
|
|
|
2024/10
|
22
|
34
|
38
|
45
|
56
|
52
|
54
|
56
|
64
|
80
|
62
|
42
|
51
|
55
|
63
|
52
|
36
|
45
|
46
|
27
|
32
|
38
|
47
|
61
|
71
|
85
|
50
|
56
|
64
|
87
|
96
|
|
2024/09
|
41
|
39
|
33
|
32
|
36
|
35
|
42
|
35
|
29
|
37
|
42
|
41
|
40
|
45
|
27
|
34
|
29
|
32
|
30
|
46
|
39
|
37
|
41
|
51
|
54
|
61
|
52
|
47
|
40
|
25
|
|
|
2024/08
|
33
|
31
|
28
|
28
|
34
|
38
|
36
|
32
|
30
|
43
|
52
|
66
|
53
|
44
|
50
|
44
|
38
|
45
|
45
|
51
|
48
|
37
|
33
|
28
|
30
|
29
|
41
|
44
|
34
|
33
|
35
|
|
2024/07
|
44
|
32
|
42
|
33
|
27
|
36
|
30
|
28
|
34
|
23
|
20
|
31
|
34
|
18
|
24
|
29
|
27
|
33
|
29
|
28
|
31
|
31
|
34
|
28
|
47
|
50
|
41
|
33
|
40
|
26
|
36
|
|
2024/06
|
53
|
39
|
32
|
28
|
32
|
29
|
21
|
31
|
43
|
27
|
36
|
38
|
50
|
52
|
49
|
40
|
36
|
35
|
23
|
23
|
20
|
32
|
42
|
42
|
39
|
36
|
16
|
17
|
29
|
43
|
|
|
2024/05
|
35
|
34
|
31
|
38
|
44
|
52
|
55
|
57
|
48
|
41
|
42
|
51
|
49
|
57
|
38
|
43
|
47
|
43
|
47
|
24
|
20
|
33
|
45
|
42
|
40
|
24
|
28
|
38
|
28
|
28
|
45
|
|
2024/04
|
47
|
47
|
35
|
20
|
28
|
36
|
36
|
32
|
37
|
46
|
48
|
45
|
39
|
48
|
60
|
34
|
37
|
37
|
28
|
43
|
37
|
33
|
34
|
45
|
42
|
37
|
44
|
40
|
24
|
28
|
|
|
2024/03
|
68
|
56
|
61
|
91
|
97
|
76
|
61
|
71
|
65
|
75
|
83
|
66
|
88
|
83
|
67
|
66
|
79
|
36
|
46
|
65
|
71
|
74
|
90
|
70
|
36
|
40
|
43
|
44
|
61
|
58
|
55
|
|
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