Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
37
O3
1.0
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
61
Good
Wed
18 Mar
81
Good
Thu
19 Mar
91
Good
Fri
20 Mar
96
Good
Sat
21 Mar
70
Good
Sun
22 Mar
68
Good
Mon
23 Mar
31
Excellent
Nan County Air quality rank
Air quality in the last 12 months (Nan County)
|
2026/02
|
61
|
79
|
100
|
125
|
130
|
166
|
76
|
80
|
71
|
69
|
67
|
94
|
74
|
62
|
78
|
34
|
78
|
78
|
77
|
49
|
39
|
63
|
68
|
51
|
48
|
25
|
35
|
56
|
|||
|
2026/01
|
46
|
64
|
76
|
64
|
72
|
75
|
70
|
65
|
69
|
71
|
78
|
87
|
72
|
83
|
115
|
138
|
152
|
161
|
28
|
54
|
44
|
52
|
70
|
75
|
72
|
147
|
134
|
101
|
68
|
67
|
62
|
|
2025/12
|
96
|
112
|
68
|
59
|
64
|
73
|
104
|
105
|
121
|
150
|
165
|
148
|
33
|
46
|
52
|
65
|
103
|
116
|
84
|
94
|
43
|
65
|
35
|
58
|
60
|
65
|
78
|
85
|
103
|
146
|
114
|
|
2025/11
|
57
|
42
|
59
|
36
|
68
|
56
|
36
|
17
|
26
|
35
|
51
|
42
|
54
|
66
|
79
|
84
|
54
|
26
|
35
|
41
|
55
|
65
|
71
|
52
|
67
|
61
|
86
|
69
|
58
|
78
|
|
|
2025/10
|
46
|
48
|
30
|
35
|
52
|
67
|
60
|
75
|
85
|
63
|
108
|
110
|
44
|
36
|
51
|
29
|
20
|
12
|
16
|
15
|
19
|
32
|
40
|
43
|
73
|
65
|
61
|
64
|
109
|
96
|
59
|
|
2025/09
|
26
|
28
|
36
|
37
|
43
|
31
|
40
|
46
|
28
|
28
|
31
|
27
|
25
|
27
|
33
|
38
|
40
|
23
|
10
|
17
|
32
|
29
|
19
|
14
|
17
|
21
|
29
|
43
|
35
|
35
|
|
|
2025/08
|
40
|
44
|
46
|
38
|
28
|
25
|
17
|
17
|
24
|
31
|
17
|
18
|
13
|
21
|
12
|
20
|
25
|
30
|
20
|
16
|
16
|
20
|
21
|
25
|
20
|
23
|
25
|
31
|
34
|
41
|
21
|
|
2025/07
|
17
|
13
|
18
|
22
|
30
|
44
|
44
|
43
|
34
|
20
|
39
|
33
|
25
|
27
|
31
|
25
|
35
|
29
|
34
|
34
|
20
|
11
|
11
|
14
|
20
|
31
|
22
|
21
|
24
|
30
|
24
|
|
2025/06
|
9
|
36
|
40
|
46
|
47
|
45
|
30
|
26
|
28
|
34
|
25
|
24
|
23
|
24
|
28
|
32
|
20
|
18
|
14
|
15
|
14
|
18
|
17
|
22
|
28
|
16
|
27
|
16
|
15
|
19
|
|
|
2025/05
|
52
|
65
|
63
|
52
|
48
|
90
|
118
|
32
|
43
|
53
|
37
|
52
|
56
|
78
|
41
|
27
|
44
|
90
|
65
|
32
|
24
|
21
|
46
|
62
|
59
|
56
|
58
|
36
|
29
|
30
|
24
|
|
2025/04
|
58
|
59
|
63
|
64
|
72
|
72
|
70
|
69
|
66
|
52
|
54
|
242
|
151
|
137
|
95
|
73
|
70
|
75
|
46
|
62
|
43
|
52
|
55
|
53
|
62
|
52
|
46
|
57
|
61
|
26
|
|
|
2025/03
|
86
|
61
|
20
|
43
|
50
|
63
|
80
|
64
|
58
|
57
|
46
|
72
|
69
|
48
|
40
|
55
|
51
|
47
|
52
|
54
|
56
|
57
|
58
|
57
|
54
|
75
|
93
|
53
|
60
|
48
|
57
|
|
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