Air Quality
Excellent
No health implications.
28
PM2.5
36
PM10
69
O3
0.6
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
72
Good
Sun
21 Apr
76
Good
Mon
22 Apr
77
Good
Tue
23 Apr
76
Good
Wed
24 Apr
77
Good
Thu
25 Apr
79
Good
Air quality in the last 12 months (Nanjian)
|
2024/02
|
42
|
56
|
39
|
34
|
38
|
30
|
34
|
40
|
54
|
80
|
59
|
36
|
36
|
33
|
31
|
32
|
29
|
31
|
29
|
30
|
45
|
47
|
62
|
52
|
44
|
40
|
34
|
31
|
31
|
||
|
2024/01
|
34
|
26
|
26
|
27
|
27
|
29
|
33
|
29
|
30
|
33
|
36
|
34
|
32
|
35
|
31
|
29
|
23
|
30
|
40
|
39
|
39
|
35
|
40
|
34
|
27
|
23
|
26
|
27
|
28
|
30
|
26
|
|
2023/12
|
31
|
29
|
26
|
27
|
22
|
27
|
28
|
21
|
20
|
21
|
24
|
22
|
22
|
20
|
24
|
24
|
24
|
22
|
26
|
26
|
27
|
25
|
26
|
29
|
25
|
24
|
30
|
27
|
29
|
29
|
29
|
|
2023/11
|
27
|
25
|
26
|
22
|
25
|
27
|
27
|
26
|
24
|
27
|
27
|
26
|
25
|
23
|
22
|
28
|
35
|
28
|
21
|
32
|
27
|
29
|
25
|
25
|
26
|
28
|
30
|
32
|
35
|
37
|
|
|
2023/10
|
23
|
18
|
19
|
18
|
20
|
19
|
17
|
16
|
15
|
21
|
19
|
15
|
16
|
18
|
22
|
25
|
24
|
25
|
26
|
29
|
29
|
26
|
27
|
26
|
18
|
18
|
21
|
20
|
25
|
25
|
23
|
|
2023/09
|
27
|
27
|
31
|
35
|
34
|
32
|
27
|
27
|
30
|
26
|
25
|
24
|
22
|
28
|
33
|
35
|
27
|
20
|
17
|
18
|
18
|
18
|
21
|
19
|
21
|
23
|
24
|
19
|
17
|
16
|
|
|
2023/08
|
17
|
18
|
24
|
19
|
18
|
15
|
16
|
20
|
24
|
23
|
26
|
23
|
23
|
28
|
25
|
27
|
26
|
22
|
22
|
20
|
21
|
21
|
19
|
14
|
16
|
15
|
15
|
42
|
31
|
31
|
26
|
|
2023/07
|
20
|
20
|
19
|
17
|
19
|
13
|
15
|
16
|
16
|
13
|
13
|
14
|
12
|
16
|
24
|
29
|
36
|
39
|
37
|
22
|
20
|
18
|
20
|
20
|
21
|
21
|
21
|
22
|
22
|
28
|
25
|
|
2023/06
|
35
|
33
|
31
|
33
|
38
|
33
|
26
|
21
|
23
|
25
|
29
|
23
|
23
|
19
|
23
|
39
|
27
|
26
|
28
|
29
|
21
|
20
|
19
|
22
|
30
|
30
|
29
|
21
|
18
|
18
|
|
|
2023/05
|
41
|
38
|
29
|
29
|
29
|
32
|
37
|
39
|
45
|
60
|
58
|
55
|
40
|
32
|
28
|
27
|
45
|
35
|
36
|
41
|
39
|
38
|
44
|
39
|
33
|
30
|
31
|
33
|
33
|
35
|
34
|
|
2023/04
|
42
|
35
|
31
|
33
|
33
|
40
|
42
|
40
|
61
|
61
|
67
|
79
|
81
|
92
|
90
|
92
|
81
|
65
|
71
|
69
|
55
|
54
|
43
|
35
|
36
|
38
|
39
|
44
|
49
|
42
|
|
|
2023/03
|
48
|
45
|
43
|
51
|
57
|
63
|
60
|
51
|
53
|
55
|
50
|
50
|
46
|
64
|
67
|
39
|
42
|
55
|
47
|
28
|
28
|
28
|
29
|
31
|
36
|
36
|
54
|
53
|
37
|
40
|
46
|
|
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