Air Quality
Excellent
No health implications.
34
PM2.5
50
PM10
127
O3
0.5
CO
9
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
71
Good
Tue
7 May
66
Good
Wed
8 May
60
Good
Thu
9 May
56
Good
Fri
10 May
67
Good
Sat
11 May
75
Good
Sun
12 May
75
Good
Air quality in the last 12 months (Longchang)
|
2024/02
|
124
|
114
|
63
|
44
|
46
|
56
|
66
|
61
|
103
|
219
|
121
|
124
|
128
|
123
|
40
|
45
|
56
|
67
|
102
|
194
|
59
|
23
|
18
|
23
|
43
|
58
|
58
|
79
|
78
|
||
|
2024/01
|
155
|
108
|
82
|
89
|
118
|
122
|
141
|
134
|
93
|
137
|
126
|
144
|
144
|
137
|
157
|
89
|
46
|
56
|
64
|
62
|
38
|
26
|
38
|
49
|
66
|
66
|
63
|
85
|
101
|
102
|
115
|
|
2023/12
|
24
|
35
|
49
|
57
|
67
|
78
|
86
|
102
|
107
|
121
|
107
|
37
|
55
|
68
|
50
|
54
|
55
|
65
|
73
|
75
|
79
|
117
|
101
|
90
|
120
|
139
|
144
|
167
|
202
|
167
|
191
|
|
2023/11
|
53
|
60
|
78
|
39
|
43
|
56
|
70
|
66
|
69
|
79
|
43
|
25
|
20
|
35
|
41
|
49
|
57
|
67
|
71
|
80
|
95
|
87
|
106
|
142
|
106
|
42
|
58
|
85
|
61
|
51
|
|
|
2023/10
|
34
|
27
|
30
|
25
|
19
|
18
|
21
|
31
|
29
|
24
|
38
|
23
|
24
|
37
|
51
|
62
|
58
|
52
|
24
|
38
|
48
|
64
|
65
|
91
|
98
|
67
|
22
|
32
|
42
|
48
|
49
|
|
2023/09
|
53
|
53
|
65
|
78
|
70
|
47
|
45
|
50
|
49
|
61
|
38
|
21
|
25
|
31
|
40
|
52
|
68
|
51
|
36
|
23
|
20
|
20
|
18
|
18
|
15
|
20
|
24
|
32
|
29
|
32
|
|
|
2023/08
|
28
|
24
|
25
|
33
|
30
|
30
|
24
|
32
|
31
|
33
|
41
|
29
|
31
|
44
|
41
|
48
|
47
|
54
|
52
|
38
|
31
|
41
|
50
|
37
|
22
|
18
|
28
|
32
|
39
|
33
|
42
|
|
2023/07
|
36
|
26
|
21
|
30
|
39
|
36
|
39
|
47
|
49
|
43
|
36
|
37
|
26
|
29
|
41
|
59
|
51
|
49
|
28
|
28
|
27
|
36
|
42
|
34
|
32
|
23
|
17
|
19
|
26
|
34
|
39
|
|
2023/06
|
25
|
22
|
17
|
19
|
26
|
43
|
39
|
41
|
44
|
42
|
38
|
36
|
41
|
36
|
31
|
27
|
31
|
41
|
44
|
54
|
30
|
30
|
39
|
43
|
39
|
47
|
45
|
30
|
32
|
39
|
|
|
2023/05
|
69
|
57
|
58
|
53
|
45
|
40
|
35
|
26
|
31
|
26
|
32
|
44
|
46
|
59
|
77
|
73
|
49
|
47
|
52
|
60
|
49
|
30
|
43
|
51
|
45
|
52
|
48
|
53
|
45
|
44
|
46
|
|
2023/04
|
59
|
50
|
39
|
28
|
29
|
55
|
60
|
55
|
62
|
72
|
61
|
48
|
51
|
50
|
48
|
63
|
62
|
46
|
49
|
42
|
47
|
17
|
18
|
22
|
36
|
50
|
44
|
48
|
57
|
66
|
|
|
2023/03
|
77
|
103
|
82
|
66
|
73
|
85
|
113
|
95
|
79
|
61
|
59
|
58
|
36
|
50
|
83
|
63
|
36
|
37
|
48
|
42
|
59
|
69
|
36
|
22
|
27
|
40
|
27
|
39
|
49
|
47
|
64
|
|
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