Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
49
O3
0.5
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jun
55
Good
Wed
18 Jun
52
Good
Thu
19 Jun
59
Good
Fri
20 Jun
58
Good
Sat
21 Jun
55
Good
Sun
22 Jun
55
Good
Mon
23 Jun
43
Excellent
Air quality in the last 12 months (Maonan)
|
2025/05
|
37
|
37
|
31
|
28
|
24
|
28
|
23
|
18
|
17
|
21
|
33
|
39
|
34
|
29
|
21
|
14
|
13
|
14
|
21
|
21
|
24
|
20
|
20
|
15
|
32
|
42
|
49
|
27
|
19
|
19
|
18
|
|
2025/04
|
23
|
50
|
53
|
46
|
52
|
67
|
64
|
52
|
43
|
39
|
33
|
46
|
173
|
165
|
151
|
113
|
89
|
66
|
45
|
34
|
29
|
36
|
39
|
37
|
24
|
34
|
35
|
29
|
38
|
46
|
|
|
2025/03
|
33
|
24
|
28
|
24
|
25
|
12
|
19
|
30
|
45
|
42
|
32
|
34
|
26
|
22
|
21
|
19
|
39
|
52
|
52
|
56
|
61
|
55
|
60
|
66
|
48
|
36
|
35
|
31
|
19
|
12
|
18
|
|
2025/02
|
39
|
32
|
39
|
27
|
46
|
43
|
46
|
34
|
55
|
48
|
35
|
47
|
59
|
49
|
28
|
41
|
72
|
59
|
54
|
40
|
47
|
55
|
57
|
29
|
48
|
57
|
51
|
33
|
|||
|
2025/01
|
76
|
79
|
78
|
67
|
79
|
73
|
67
|
71
|
85
|
62
|
52
|
49
|
53
|
61
|
46
|
64
|
59
|
61
|
67
|
67
|
67
|
52
|
45
|
43
|
39
|
33
|
37
|
43
|
141
|
45
|
37
|
|
2024/12
|
56
|
56
|
62
|
60
|
51
|
71
|
75
|
41
|
45
|
51
|
58
|
54
|
51
|
54
|
66
|
51
|
56
|
63
|
47
|
61
|
71
|
60
|
66
|
67
|
67
|
64
|
80
|
81
|
79
|
72
|
71
|
|
2024/11
|
50
|
43
|
57
|
46
|
47
|
55
|
54
|
53
|
60
|
43
|
42
|
64
|
82
|
71
|
50
|
41
|
36
|
33
|
27
|
18
|
23
|
35
|
39
|
42
|
28
|
28
|
42
|
47
|
46
|
49
|
|
|
2024/10
|
39
|
27
|
42
|
43
|
43
|
42
|
45
|
60
|
58
|
55
|
46
|
47
|
45
|
36
|
31
|
38
|
29
|
17
|
21
|
38
|
38
|
43
|
27
|
39
|
43
|
43
|
29
|
27
|
24
|
31
|
47
|
|
2024/09
|
15
|
25
|
33
|
45
|
38
|
13
|
18
|
30
|
27
|
22
|
28
|
32
|
29
|
36
|
38
|
36
|
25
|
17
|
28
|
29
|
24
|
14
|
14
|
12
|
28
|
30
|
38
|
31
|
36
|
31
|
|
|
2024/08
|
24
|
23
|
20
|
24
|
29
|
28
|
32
|
29
|
28
|
25
|
29
|
22
|
20
|
21
|
17
|
20
|
20
|
17
|
17
|
20
|
26
|
22
|
21
|
32
|
24
|
20
|
31
|
28
|
26
|
26
|
21
|
|
2024/07
|
24
|
22
|
19
|
18
|
12
|
11
|
11
|
12
|
12
|
14
|
16
|
16
|
13
|
17
|
17
|
17
|
13
|
11
|
14
|
18
|
15
|
14
|
15
|
21
|
25
|
29
|
26
|
18
|
12
|
13
|
18
|
|
2024/06
|
24
|
33
|
26
|
21
|
12
|
19
|
21
|
19
|
21
|
16
|
22
|
26
|
29
|
31
|
26
|
29
|
31
|
29
|
27
|
24
|
17
|
13
|
10
|
13
|
13
|
15
|
16
|
15
|
17
|
26
|
|
|
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