Air Quality
Excellent
No health implications.
18
PM2.5
35
PM10
112
O3
0.5
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
91
Good
Mon
12 May
100
Good
Tue
13 May
91
Good
Wed
14 May
86
Good
Thu
15 May
78
Good
Fri
16 May
76
Good
Sat
17 May
29
Excellent
Air quality in the last 12 months (Nan County)
|
2025/02
|
77
|
76
|
86
|
84
|
74
|
56
|
94
|
58
|
51
|
67
|
68
|
87
|
105
|
79
|
71
|
66
|
62
|
43
|
63
|
106
|
110
|
74
|
100
|
106
|
83
|
83
|
55
|
68
|
|||
|
2025/01
|
134
|
170
|
193
|
224
|
93
|
96
|
82
|
80
|
69
|
66
|
81
|
80
|
128
|
138
|
82
|
67
|
91
|
115
|
133
|
149
|
162
|
192
|
269
|
120
|
24
|
51
|
61
|
108
|
298
|
127
|
135
|
|
2024/12
|
71
|
105
|
126
|
98
|
52
|
59
|
61
|
78
|
64
|
78
|
67
|
106
|
105
|
59
|
61
|
65
|
88
|
102
|
72
|
103
|
108
|
69
|
66
|
95
|
134
|
172
|
185
|
98
|
88
|
142
|
156
|
|
2024/11
|
85
|
98
|
108
|
99
|
82
|
87
|
71
|
75
|
95
|
64
|
79
|
80
|
85
|
93
|
100
|
84
|
18
|
17
|
29
|
32
|
44
|
60
|
82
|
91
|
35
|
34
|
45
|
49
|
55
|
59
|
|
|
2024/10
|
34
|
65
|
64
|
65
|
78
|
70
|
44
|
46
|
72
|
95
|
121
|
165
|
92
|
63
|
67
|
97
|
55
|
24
|
23
|
40
|
19
|
26
|
34
|
51
|
66
|
54
|
64
|
98
|
106
|
79
|
64
|
|
2024/09
|
47
|
48
|
54
|
63
|
56
|
45
|
50
|
45
|
50
|
52
|
44
|
30
|
42
|
52
|
58
|
51
|
52
|
57
|
37
|
49
|
51
|
38
|
46
|
67
|
79
|
101
|
116
|
88
|
65
|
59
|
|
|
2024/08
|
11
|
15
|
18
|
23
|
25
|
28
|
33
|
30
|
28
|
34
|
58
|
60
|
36
|
40
|
39
|
28
|
32
|
37
|
30
|
35
|
34
|
35
|
25
|
28
|
27
|
40
|
29
|
27
|
33
|
44
|
43
|
|
2024/07
|
11
|
26
|
23
|
17
|
19
|
18
|
20
|
20
|
22
|
32
|
48
|
40
|
29
|
24
|
33
|
29
|
21
|
19
|
15
|
19
|
23
|
22
|
22
|
29
|
34
|
33
|
25
|
14
|
12
|
14
|
17
|
|
2024/06
|
25
|
36
|
42
|
19
|
23
|
35
|
38
|
42
|
21
|
20
|
23
|
22
|
25
|
26
|
33
|
35
|
36
|
36
|
28
|
26
|
29
|
11
|
14
|
12
|
18
|
23
|
12
|
15
|
10
|
12
|
|
|
2024/05
|
31
|
45
|
33
|
24
|
31
|
36
|
64
|
78
|
70
|
59
|
63
|
97
|
84
|
69
|
73
|
62
|
59
|
51
|
45
|
29
|
47
|
44
|
51
|
47
|
42
|
32
|
36
|
25
|
33
|
26
|
35
|
|
2024/04
|
37
|
24
|
57
|
62
|
63
|
46
|
55
|
51
|
42
|
53
|
61
|
40
|
38
|
41
|
47
|
45
|
48
|
48
|
30
|
33
|
54
|
63
|
39
|
63
|
58
|
51
|
57
|
39
|
42
|
28
|
|
|
2024/03
|
100
|
72
|
48
|
49
|
106
|
108
|
74
|
88
|
77
|
78
|
73
|
70
|
91
|
93
|
84
|
86
|
77
|
52
|
53
|
80
|
75
|
59
|
34
|
48
|
27
|
35
|
49
|
37
|
37
|
42
|
43
|
|
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