Air Quality
Excellent
No health implications.
13
PM2.5
26
PM10
52
O3
0.4
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
37
Excellent
Tue
18 Mar
44
Excellent
Wed
19 Mar
56
Good
Thu
20 Mar
75
Good
Fri
21 Mar
83
Good
Sat
22 Mar
86
Good
Sun
23 Mar
48
Excellent
Air quality in the last 12 months (Naxi)
|
2025/02
|
50
|
42
|
44
|
44
|
51
|
30
|
28
|
41
|
51
|
72
|
93
|
74
|
45
|
51
|
62
|
83
|
73
|
66
|
105
|
79
|
67
|
38
|
50
|
38
|
57
|
52
|
99
|
96
|
|||
|
2025/01
|
150
|
174
|
140
|
191
|
156
|
123
|
116
|
57
|
60
|
50
|
52
|
58
|
86
|
98
|
85
|
102
|
118
|
80
|
64
|
112
|
167
|
156
|
155
|
87
|
48
|
52
|
67
|
97
|
193
|
149
|
94
|
|
2024/12
|
127
|
152
|
102
|
117
|
58
|
56
|
45
|
31
|
48
|
68
|
69
|
59
|
51
|
59
|
66
|
87
|
112
|
120
|
87
|
107
|
141
|
102
|
65
|
104
|
102
|
87
|
118
|
120
|
101
|
82
|
81
|
|
2024/11
|
42
|
35
|
62
|
61
|
43
|
56
|
44
|
54
|
63
|
66
|
39
|
34
|
35
|
49
|
68
|
48
|
25
|
24
|
25
|
28
|
49
|
55
|
65
|
33
|
22
|
32
|
41
|
57
|
55
|
76
|
|
|
2024/10
|
20
|
27
|
30
|
37
|
47
|
56
|
44
|
49
|
51
|
66
|
34
|
17
|
26
|
38
|
56
|
77
|
30
|
57
|
42
|
22
|
35
|
23
|
36
|
84
|
72
|
45
|
33
|
44
|
70
|
89
|
61
|
|
2024/09
|
37
|
43
|
31
|
39
|
31
|
31
|
37
|
24
|
24
|
43
|
35
|
33
|
56
|
66
|
63
|
46
|
42
|
40
|
35
|
59
|
29
|
40
|
48
|
66
|
90
|
70
|
72
|
71
|
106
|
10
|
|
|
2024/08
|
46
|
31
|
30
|
20
|
37
|
26
|
32
|
31
|
45
|
25
|
58
|
74
|
66
|
55
|
55
|
31
|
40
|
58
|
57
|
57
|
64
|
58
|
41
|
35
|
26
|
38
|
57
|
48
|
41
|
49
|
53
|
|
2024/07
|
25
|
27
|
34
|
23
|
23
|
37
|
47
|
44
|
15
|
14
|
16
|
22
|
25
|
10
|
25
|
42
|
45
|
26
|
33
|
42
|
37
|
28
|
38
|
45
|
31
|
45
|
47
|
35
|
26
|
32
|
48
|
|
2024/06
|
54
|
29
|
34
|
25
|
30
|
42
|
21
|
25
|
33
|
26
|
26
|
24
|
45
|
50
|
46
|
59
|
31
|
50
|
32
|
30
|
22
|
26
|
32
|
31
|
33
|
44
|
12
|
21
|
21
|
35
|
|
|
2024/05
|
35
|
43
|
24
|
19
|
31
|
64
|
73
|
52
|
41
|
56
|
38
|
41
|
39
|
51
|
53
|
38
|
49
|
43
|
36
|
29
|
27
|
29
|
32
|
48
|
54
|
16
|
30
|
31
|
29
|
27
|
41
|
|
2024/04
|
64
|
54
|
47
|
39
|
30
|
32
|
21
|
22
|
47
|
26
|
34
|
53
|
62
|
75
|
75
|
40
|
32
|
53
|
27
|
54
|
54
|
53
|
48
|
36
|
32
|
37
|
41
|
50
|
24
|
16
|
|
|
2024/03
|
103
|
75
|
96
|
101
|
103
|
80
|
76
|
71
|
78
|
113
|
83
|
106
|
118
|
89
|
82
|
71
|
113
|
39
|
48
|
64
|
83
|
97
|
95
|
90
|
27
|
55
|
51
|
48
|
66
|
83
|
69
|
|
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