Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
108
O3
0.6
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
67
Good
Wed
18 Mar
62
Good
Thu
19 Mar
65
Good
Fri
20 Mar
66
Good
Sat
21 Mar
49
Excellent
Sun
22 Mar
47
Excellent
Mon
23 Mar
26
Excellent
Air quality in the last 12 months (Nanjian)
|
2026/02
|
29
|
28
|
30
|
31
|
27
|
27
|
30
|
33
|
32
|
29
|
24
|
25
|
27
|
28
|
44
|
56
|
82
|
49
|
39
|
32
|
29
|
31
|
38
|
41
|
50
|
56
|
44
|
49
|
|||
|
2026/01
|
39
|
29
|
27
|
23
|
24
|
27
|
28
|
26
|
31
|
31
|
36
|
31
|
35
|
41
|
33
|
29
|
34
|
34
|
35
|
34
|
27
|
28
|
31
|
31
|
29
|
29
|
31
|
34
|
34
|
28
|
31
|
|
2025/12
|
34
|
31
|
35
|
28
|
28
|
26
|
30
|
29
|
29
|
30
|
31
|
31
|
34
|
35
|
32
|
27
|
29
|
28
|
27
|
32
|
30
|
30
|
33
|
30
|
34
|
30
|
31
|
32
|
30
|
27
|
30
|
|
2025/11
|
19
|
18
|
11
|
14
|
12
|
14
|
16
|
20
|
16
|
17
|
16
|
18
|
20
|
22
|
24
|
24
|
27
|
22
|
17
|
15
|
17
|
18
|
21
|
23
|
33
|
39
|
33
|
34
|
35
|
34
|
|
|
2025/10
|
12
|
12
|
14
|
16
|
19
|
18
|
16
|
12
|
14
|
14
|
15
|
16
|
18
|
18
|
20
|
18
|
15
|
14
|
14
|
16
|
18
|
20
|
24
|
24
|
21
|
20
|
21
|
24
|
26
|
25
|
23
|
|
2025/09
|
20
|
17
|
17
|
20
|
21
|
20
|
18
|
18
|
19
|
17
|
16
|
15
|
14
|
14
|
15
|
12
|
15
|
15
|
18
|
18
|
18
|
19
|
16
|
12
|
20
|
17
|
13
|
15
|
14
|
11
|
|
|
2025/08
|
22
|
21
|
16
|
17
|
19
|
20
|
18
|
15
|
17
|
16
|
16
|
13
|
16
|
20
|
27
|
23
|
17
|
22
|
24
|
21
|
14
|
12
|
12
|
13
|
17
|
20
|
18
|
16
|
16
|
20
|
23
|
|
2025/07
|
19
|
18
|
12
|
11
|
12
|
14
|
15
|
13
|
15
|
19
|
19
|
21
|
28
|
26
|
21
|
24
|
25
|
25
|
23
|
19
|
20
|
20
|
19
|
21
|
14
|
19
|
18
|
20
|
25
|
24
|
17
|
|
2025/06
|
14
|
12
|
18
|
32
|
33
|
33
|
23
|
25
|
22
|
20
|
26
|
33
|
36
|
34
|
21
|
17
|
14
|
13
|
12
|
16
|
19
|
14
|
13
|
13
|
15
|
14
|
15
|
17
|
17
|
14
|
|
|
2025/05
|
28
|
27
|
24
|
18
|
21
|
27
|
25
|
28
|
29
|
39
|
24
|
31
|
34
|
31
|
31
|
32
|
32
|
25
|
27
|
29
|
28
|
25
|
36
|
23
|
12
|
16
|
11
|
12
|
13
|
13
|
12
|
|
2025/04
|
83
|
73
|
74
|
72
|
69
|
71
|
72
|
71
|
69
|
61
|
47
|
40
|
27
|
34
|
37
|
25
|
25
|
24
|
26
|
28
|
29
|
27
|
42
|
49
|
60
|
57
|
61
|
62
|
40
|
33
|
|
|
2025/03
|
41
|
47
|
35
|
41
|
48
|
55
|
62
|
60
|
57
|
52
|
49
|
67
|
78
|
60
|
50
|
49
|
54
|
53
|
28
|
42
|
60
|
52
|
50
|
39
|
37
|
34
|
36
|
77
|
105
|
84
|
84
|
|
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