Air Quality
Excellent
No health implications.
16
PM2.5
21
PM10
103
O3
0.6
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
66
Good
Wed
18 Mar
61
Good
Thu
19 Mar
65
Good
Fri
20 Mar
65
Good
Sat
21 Mar
53
Good
Sun
22 Mar
52
Good
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