Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
45
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
51
Good
Mon
20 Oct
52
Good
Tue
21 Oct
55
Good
Wed
22 Oct
52
Good
Thu
23 Oct
58
Good
Fri
24 Oct
56
Good
Sat
25 Oct
29
Excellent
Air quality in the last 12 months (Longjiang)
|
2025/08
|
20
|
18
|
18
|
23
|
34
|
25
|
16
|
22
|
17
|
17
|
14
|
17
|
21
|
29
|
27
|
13
|
18
|
15
|
20
|
18
|
25
|
13
|
17
|
23
|
25
|
21
|
22
|
22
|
30
|
20
|
22
|
|
2025/07
|
24
|
24
|
24
|
35
|
23
|
29
|
21
|
21
|
24
|
36
|
30
|
13
|
20
|
23
|
28
|
14
|
14
|
21
|
18
|
21
|
28
|
34
|
32
|
28
|
25
|
26
|
24
|
27
|
17
|
29
|
22
|
|
2025/06
|
31
|
35
|
18
|
23
|
29
|
20
|
19
|
27
|
14
|
24
|
24
|
31
|
28
|
31
|
33
|
24
|
21
|
34
|
21
|
22
|
18
|
33
|
42
|
43
|
46
|
28
|
43
|
34
|
37
|
28
|
|
|
2025/05
|
35
|
23
|
22
|
22
|
24
|
33
|
39
|
52
|
51
|
40
|
66
|
79
|
67
|
55
|
72
|
91
|
37
|
46
|
38
|
48
|
34
|
31
|
39
|
43
|
49
|
59
|
52
|
65
|
63
|
69
|
40
|
|
2025/04
|
73
|
55
|
63
|
92
|
91
|
47
|
63
|
46
|
75
|
140
|
81
|
11
|
18
|
29
|
30
|
40
|
51
|
29
|
34
|
86
|
108
|
23
|
35
|
28
|
27
|
41
|
52
|
35
|
107
|
29
|
|
|
2025/03
|
23
|
36
|
41
|
53
|
87
|
53
|
54
|
50
|
89
|
124
|
61
|
30
|
28
|
27
|
32
|
29
|
46
|
39
|
76
|
34
|
41
|
33
|
132
|
33
|
44
|
52
|
18
|
24
|
28
|
34
|
58
|
|
2025/02
|
57
|
100
|
42
|
22
|
40
|
41
|
20
|
20
|
26
|
46
|
74
|
68
|
47
|
44
|
33
|
28
|
26
|
23
|
26
|
32
|
35
|
35
|
35
|
48
|
47
|
34
|
44
|
34
|
|||
|
2025/01
|
74
|
37
|
37
|
111
|
97
|
64
|
30
|
36
|
29
|
41
|
65
|
135
|
184
|
72
|
42
|
38
|
82
|
132
|
161
|
118
|
73
|
87
|
221
|
213
|
233
|
188
|
37
|
38
|
55
|
26
|
29
|
|
2024/12
|
40
|
22
|
34
|
27
|
20
|
28
|
26
|
36
|
56
|
40
|
25
|
42
|
53
|
33
|
26
|
29
|
32
|
41
|
46
|
53
|
39
|
31
|
34
|
50
|
37
|
31
|
33
|
38
|
55
|
87
|
63
|
|
2024/11
|
57
|
83
|
43
|
29
|
37
|
60
|
59
|
149
|
154
|
96
|
110
|
46
|
109
|
216
|
134
|
47
|
32
|
25
|
42
|
39
|
27
|
40
|
66
|
193
|
188
|
25
|
28
|
38
|
23
|
31
|
|
|
2024/10
|
24
|
29
|
45
|
32
|
39
|
43
|
61
|
33
|
48
|
24
|
26
|
29
|
45
|
45
|
29
|
40
|
35
|
43
|
28
|
46
|
30
|
37
|
42
|
49
|
53
|
69
|
44
|
41
|
47
|
45
|
46
|
|
2024/09
|
18
|
22
|
24
|
23
|
23
|
38
|
39
|
34
|
34
|
30
|
29
|
30
|
24
|
36
|
24
|
26
|
22
|
28
|
27
|
25
|
32
|
31
|
24
|
29
|
38
|
37
|
33
|
28
|
36
|
23
|
|
|
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