Air Quality
Excellent
No health implications.
32
PM2.5
42
PM10
46
O3
0.8
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
87
Good
Fri
16 May
87
Good
Sat
17 May
50
Excellent
Sun
18 May
61
Good
Mon
19 May
56
Good
Tue
20 May
20
Excellent
Wed
21 May
29
Excellent
Air quality in the last 12 months (Nanfen)
|
2025/02
|
103
|
139
|
52
|
53
|
47
|
60
|
50
|
56
|
71
|
60
|
51
|
96
|
75
|
67
|
96
|
51
|
34
|
29
|
51
|
48
|
55
|
62
|
56
|
56
|
82
|
57
|
81
|
98
|
|||
|
2025/01
|
41
|
47
|
58
|
53
|
108
|
75
|
54
|
38
|
41
|
76
|
105
|
104
|
75
|
59
|
34
|
43
|
51
|
47
|
77
|
62
|
60
|
58
|
68
|
75
|
79
|
66
|
106
|
57
|
148
|
114
|
68
|
|
2024/12
|
37
|
19
|
37
|
33
|
44
|
30
|
39
|
47
|
53
|
95
|
41
|
50
|
56
|
48
|
37
|
46
|
32
|
45
|
74
|
69
|
53
|
57
|
60
|
54
|
63
|
39
|
40
|
53
|
56
|
58
|
31
|
|
2024/11
|
71
|
70
|
39
|
21
|
36
|
34
|
36
|
45
|
47
|
43
|
30
|
32
|
34
|
40
|
33
|
24
|
18
|
20
|
33
|
67
|
52
|
36
|
48
|
48
|
38
|
19
|
27
|
35
|
39
|
52
|
|
|
2024/10
|
17
|
26
|
22
|
25
|
31
|
51
|
29
|
38
|
37
|
29
|
31
|
45
|
44
|
31
|
17
|
37
|
47
|
45
|
24
|
31
|
16
|
35
|
40
|
54
|
61
|
82
|
51
|
34
|
48
|
68
|
62
|
|
2024/09
|
22
|
17
|
24
|
25
|
21
|
24
|
33
|
27
|
29
|
25
|
26
|
29
|
27
|
25
|
20
|
28
|
39
|
30
|
36
|
21
|
18
|
18
|
23
|
20
|
29
|
20
|
29
|
35
|
29
|
17
|
|
|
2024/08
|
18
|
31
|
32
|
21
|
13
|
23
|
26
|
39
|
56
|
22
|
39
|
41
|
37
|
43
|
46
|
47
|
45
|
38
|
21
|
26
|
18
|
21
|
22
|
34
|
43
|
28
|
20
|
25
|
31
|
31
|
28
|
|
2024/07
|
30
|
34
|
19
|
30
|
45
|
19
|
33
|
33
|
42
|
44
|
56
|
48
|
35
|
46
|
48
|
21
|
21
|
29
|
33
|
14
|
28
|
14
|
19
|
16
|
13
|
17
|
12
|
12
|
25
|
36
|
17
|
|
2024/06
|
34
|
22
|
23
|
35
|
30
|
24
|
27
|
19
|
26
|
37
|
45
|
27
|
24
|
17
|
25
|
27
|
42
|
46
|
34
|
33
|
31
|
15
|
52
|
18
|
22
|
29
|
37
|
25
|
20
|
26
|
|
|
2024/05
|
40
|
56
|
53
|
46
|
37
|
29
|
40
|
48
|
79
|
57
|
80
|
46
|
36
|
57
|
37
|
29
|
46
|
39
|
25
|
25
|
32
|
29
|
23
|
24
|
26
|
18
|
19
|
30
|
34
|
34
|
19
|
|
2024/04
|
57
|
59
|
49
|
60
|
92
|
72
|
82
|
85
|
136
|
92
|
53
|
36
|
26
|
27
|
90
|
126
|
72
|
63
|
61
|
80
|
76
|
37
|
34
|
24
|
43
|
46
|
62
|
34
|
42
|
47
|
|
|
2024/03
|
43
|
54
|
47
|
44
|
47
|
37
|
55
|
42
|
46
|
55
|
56
|
58
|
76
|
89
|
100
|
91
|
82
|
65
|
56
|
45
|
52
|
26
|
70
|
80
|
73
|
111
|
61
|
206
|
93
|
56
|
71
|
|
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