Air Quality
Excellent
No health implications.
2
PM2.5
15
PM10
84
O3
0.5
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
60
Good
Sun
24 May
66
Good
Mon
25 May
63
Good
Tue
26 May
52
Good
Wed
27 May
62
Good
Thu
28 May
16
Excellent
Fri
29 May
32
Excellent
Air quality in the last 12 months (Longchang)
|
2026/04
|
34
|
38
|
31
|
48
|
59
|
49
|
22
|
24
|
40
|
44
|
36
|
40
|
34
|
28
|
37
|
44
|
43
|
52
|
65
|
96
|
37
|
28
|
41
|
44
|
60
|
70
|
48
|
25
|
24
|
35
|
|
|
2026/03
|
38
|
29
|
44
|
37
|
49
|
58
|
59
|
48
|
30
|
29
|
44
|
59
|
65
|
39
|
37
|
33
|
40
|
35
|
49
|
53
|
48
|
49
|
52
|
41
|
52
|
50
|
67
|
51
|
50
|
39
|
28
|
|
2026/02
|
66
|
90
|
105
|
99
|
118
|
120
|
97
|
49
|
48
|
60
|
59
|
76
|
91
|
99
|
93
|
60
|
121
|
93
|
97
|
82
|
91
|
125
|
123
|
50
|
56
|
40
|
59
|
30
|
|||
|
2026/01
|
32
|
34
|
39
|
50
|
59
|
68
|
83
|
98
|
121
|
166
|
163
|
154
|
144
|
156
|
155
|
189
|
169
|
177
|
91
|
21
|
37
|
34
|
65
|
72
|
79
|
70
|
85
|
101
|
103
|
40
|
37
|
|
2025/12
|
131
|
154
|
103
|
46
|
59
|
72
|
85
|
95
|
122
|
114
|
105
|
110
|
47
|
64
|
81
|
109
|
120
|
112
|
127
|
86
|
49
|
39
|
50
|
56
|
62
|
58
|
76
|
86
|
96
|
108
|
80
|
|
2025/11
|
27
|
29
|
32
|
34
|
49
|
41
|
33
|
33
|
42
|
29
|
21
|
27
|
34
|
38
|
38
|
44
|
30
|
31
|
44
|
58
|
71
|
85
|
69
|
64
|
71
|
71
|
89
|
97
|
108
|
136
|
|
|
2025/10
|
22
|
21
|
22
|
24
|
20
|
21
|
25
|
31
|
49
|
69
|
55
|
27
|
16
|
26
|
31
|
31
|
24
|
24
|
24
|
15
|
14
|
24
|
28
|
37
|
33
|
36
|
33
|
43
|
42
|
32
|
40
|
|
2025/09
|
40
|
46
|
42
|
42
|
36
|
31
|
44
|
32
|
35
|
39
|
40
|
14
|
17
|
21
|
34
|
46
|
19
|
16
|
13
|
21
|
15
|
14
|
16
|
21
|
34
|
30
|
28
|
23
|
14
|
22
|
|
|
2025/08
|
30
|
30
|
34
|
44
|
49
|
34
|
28
|
39
|
38
|
24
|
18
|
20
|
33
|
44
|
46
|
29
|
29
|
33
|
30
|
33
|
45
|
25
|
22
|
24
|
20
|
26
|
33
|
39
|
21
|
22
|
21
|
|
2025/07
|
21
|
20
|
30
|
33
|
17
|
19
|
28
|
21
|
20
|
25
|
24
|
25
|
32
|
37
|
37
|
40
|
35
|
36
|
29
|
21
|
20
|
20
|
19
|
16
|
21
|
25
|
21
|
28
|
31
|
36
|
28
|
|
2025/06
|
36
|
23
|
31
|
30
|
44
|
58
|
52
|
48
|
27
|
37
|
44
|
44
|
43
|
46
|
33
|
36
|
40
|
22
|
20
|
32
|
27
|
31
|
27
|
31
|
17
|
23
|
31
|
31
|
33
|
17
|
|
|
2025/05
|
40
|
60
|
84
|
76
|
38
|
72
|
29
|
44
|
73
|
70
|
52
|
64
|
69
|
86
|
76
|
65
|
64
|
80
|
59
|
67
|
45
|
43
|
57
|
55
|
45
|
44
|
36
|
21
|
24
|
30
|
34
|
|
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