Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
29
O3
0.4
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
50
Excellent
Fri
18 Jul
56
Good
Sat
19 Jul
62
Good
Sun
20 Jul
49
Excellent
Mon
21 Jul
51
Good
Tue
22 Jul
31
Excellent
Wed
23 Jul
22
Excellent
Air quality in the last 12 months (Nanfen)
|
2025/06
|
52
|
42
|
28
|
21
|
38
|
35
|
23
|
23
|
30
|
19
|
27
|
27
|
26
|
29
|
23
|
19
|
21
|
27
|
29
|
18
|
21
|
29
|
32
|
31
|
47
|
42
|
26
|
22
|
24
|
11
|
|
|
2025/05
|
23
|
30
|
32
|
34
|
33
|
33
|
42
|
44
|
68
|
43
|
35
|
56
|
55
|
38
|
47
|
35
|
28
|
27
|
41
|
43
|
51
|
64
|
34
|
40
|
38
|
31
|
34
|
36
|
39
|
46
|
47
|
|
2025/04
|
85
|
49
|
63
|
51
|
26
|
47
|
59
|
67
|
58
|
57
|
46
|
27
|
27
|
23
|
50
|
43
|
67
|
56
|
44
|
31
|
28
|
37
|
42
|
57
|
47
|
44
|
51
|
58
|
58
|
54
|
|
|
2025/03
|
78
|
37
|
27
|
41
|
57
|
71
|
50
|
62
|
86
|
93
|
60
|
77
|
50
|
51
|
52
|
53
|
68
|
72
|
56
|
65
|
57
|
75
|
75
|
71
|
95
|
106
|
53
|
34
|
30
|
33
|
54
|
|
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
|
|
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