Air Quality
Excellent
No health implications.
7
PM2.5
11
PM10
39
O3
0.5
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
30
Excellent
Wed
16 Sep
32
Excellent
Thu
17 Sep
31
Excellent
Fri
18 Sep
34
Excellent
Sat
19 Sep
38
Excellent
Sun
20 Sep
33
Excellent
Mon
21 Sep
24
Excellent
Air quality in the last 12 months (Longchang)
|
2026/08
|
23
|
17
|
24
|
23
|
39
|
44
|
33
|
27
|
31
|
44
|
38
|
38
|
45
|
55
|
55
|
56
|
60
|
31
|
20
|
34
|
53
|
53
|
51
|
56
|
43
|
38
|
48
|
47
|
20
|
28
|
41
|
|
2026/07
|
31
|
33
|
37
|
34
|
30
|
37
|
41
|
43
|
40
|
35
|
32
|
30
|
31
|
35
|
55
|
48
|
34
|
34
|
46
|
48
|
50
|
50
|
56
|
47
|
30
|
33
|
33
|
29
|
29
|
28
|
35
|
|
2026/06
|
43
|
33
|
38
|
48
|
58
|
62
|
34
|
27
|
27
|
33
|
37
|
34
|
34
|
45
|
57
|
53
|
26
|
21
|
30
|
32
|
19
|
17
|
16
|
15
|
16
|
17
|
22
|
24
|
20
|
29
|
|
|
2026/05
|
67
|
37
|
36
|
39
|
61
|
64
|
43
|
30
|
45
|
52
|
61
|
65
|
49
|
68
|
48
|
42
|
39
|
25
|
29
|
37
|
40
|
26
|
24
|
23
|
25
|
29
|
31
|
30
|
38
|
45
|
43
|
|
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
|
|
|
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