Air Quality
Excellent
No health implications.
15
PM2.5
22
PM10
50
O3
0.5
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
49
Excellent
Sat
31 May
52
Good
Sun
1 Jun
53
Good
Mon
2 Jun
51
Good
Tue
3 Jun
51
Good
Wed
4 Jun
34
Excellent
Thu
5 Jun
47
Excellent
Air quality in the last 12 months (Sanjiang)
|
2025/04
|
43
|
55
|
65
|
106
|
93
|
76
|
101
|
119
|
104
|
80
|
59
|
76
|
199
|
131
|
88
|
81
|
78
|
77
|
48
|
30
|
41
|
30
|
46
|
29
|
24
|
36
|
31
|
31
|
50
|
46
|
|
|
2025/03
|
50
|
42
|
52
|
16
|
17
|
26
|
42
|
42
|
42
|
27
|
37
|
50
|
34
|
20
|
12
|
37
|
38
|
32
|
43
|
50
|
58
|
71
|
82
|
86
|
89
|
75
|
72
|
73
|
25
|
17
|
31
|
|
2025/02
|
12
|
12
|
37
|
63
|
58
|
47
|
35
|
66
|
47
|
58
|
99
|
92
|
67
|
76
|
40
|
34
|
34
|
33
|
25
|
13
|
43
|
17
|
26
|
72
|
53
|
43
|
29
|
48
|
|||
|
2025/01
|
103
|
97
|
94
|
120
|
126
|
95
|
78
|
81
|
49
|
54
|
54
|
71
|
71
|
73
|
71
|
67
|
70
|
85
|
87
|
86
|
104
|
111
|
129
|
149
|
64
|
24
|
46
|
66
|
129
|
84
|
42
|
|
2024/12
|
62
|
78
|
87
|
104
|
58
|
20
|
27
|
49
|
80
|
20
|
29
|
58
|
59
|
59
|
41
|
50
|
75
|
65
|
80
|
90
|
90
|
91
|
93
|
91
|
94
|
96
|
82
|
93
|
97
|
116
|
88
|
|
2024/11
|
47
|
68
|
75
|
73
|
73
|
69
|
53
|
50
|
56
|
65
|
62
|
64
|
69
|
72
|
71
|
61
|
36
|
18
|
17
|
21
|
28
|
35
|
44
|
47
|
45
|
22
|
34
|
40
|
43
|
55
|
|
|
2024/10
|
27
|
42
|
54
|
50
|
48
|
55
|
62
|
44
|
43
|
49
|
56
|
66
|
75
|
58
|
37
|
32
|
40
|
35
|
19
|
18
|
25
|
20
|
29
|
31
|
37
|
45
|
33
|
44
|
53
|
52
|
51
|
|
2024/09
|
31
|
30
|
32
|
34
|
45
|
38
|
28
|
24
|
28
|
30
|
32
|
37
|
37
|
34
|
37
|
35
|
36
|
37
|
38
|
36
|
29
|
30
|
36
|
42
|
50
|
51
|
45
|
48
|
47
|
48
|
|
|
2024/08
|
12
|
18
|
20
|
23
|
27
|
27
|
27
|
25
|
24
|
24
|
19
|
25
|
24
|
33
|
45
|
40
|
30
|
39
|
40
|
25
|
23
|
18
|
18
|
21
|
25
|
28
|
31
|
33
|
34
|
34
|
40
|
|
2024/07
|
20
|
12
|
20
|
19
|
16
|
17
|
18
|
17
|
20
|
23
|
22
|
22
|
24
|
20
|
22
|
24
|
19
|
16
|
13
|
20
|
27
|
23
|
21
|
26
|
29
|
32
|
35
|
14
|
16
|
20
|
13
|
|
2024/06
|
24
|
23
|
33
|
16
|
16
|
20
|
28
|
29
|
28
|
24
|
20
|
19
|
16
|
19
|
22
|
21
|
13
|
10
|
18
|
23
|
22
|
29
|
22
|
19
|
10
|
16
|
16
|
19
|
15
|
12
|
|
|
2024/05
|
16
|
27
|
20
|
18
|
21
|
38
|
41
|
47
|
39
|
35
|
28
|
36
|
55
|
56
|
59
|
59
|
56
|
40
|
17
|
21
|
26
|
39
|
40
|
36
|
39
|
18
|
20
|
32
|
36
|
25
|
18
|
|
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