Air Quality
Excellent
No health implications.
31
PM2.5
33
PM10
55
O3
0.8
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
86
Good
Mon
22 Dec
91
Good
Tue
23 Dec
141
Light
Wed
24 Dec
92
Good
Thu
25 Dec
95
Good
Fri
26 Dec
95
Good
Sat
27 Dec
48
Excellent
Air quality in the last 12 months (Junshan)
|
2025/11
|
58
|
44
|
64
|
31
|
56
|
63
|
35
|
19
|
28
|
36
|
55
|
35
|
42
|
61
|
80
|
74
|
65
|
31
|
40
|
39
|
57
|
63
|
76
|
57
|
75
|
61
|
98
|
75
|
60
|
60
|
|
|
2025/10
|
45
|
49
|
38
|
41
|
59
|
67
|
58
|
72
|
81
|
66
|
130
|
160
|
69
|
44
|
48
|
28
|
24
|
12
|
12
|
20
|
20
|
26
|
35
|
36
|
70
|
68
|
64
|
75
|
124
|
110
|
52
|
|
2025/09
|
23
|
29
|
34
|
31
|
37
|
34
|
40
|
48
|
29
|
29
|
36
|
26
|
26
|
29
|
33
|
38
|
38
|
31
|
15
|
16
|
30
|
29
|
22
|
14
|
13
|
24
|
38
|
50
|
44
|
38
|
|
|
2025/08
|
33
|
44
|
41
|
30
|
26
|
18
|
15
|
16
|
23
|
38
|
18
|
22
|
16
|
22
|
12
|
20
|
23
|
28
|
16
|
14
|
15
|
22
|
21
|
22
|
19
|
19
|
24
|
26
|
28
|
47
|
23
|
|
2025/07
|
16
|
13
|
18
|
25
|
33
|
39
|
42
|
41
|
29
|
21
|
37
|
27
|
23
|
24
|
32
|
27
|
30
|
30
|
35
|
33
|
18
|
11
|
12
|
13
|
17
|
29
|
19
|
22
|
25
|
33
|
25
|
|
2025/06
|
10
|
30
|
40
|
45
|
42
|
40
|
32
|
25
|
31
|
34
|
23
|
22
|
19
|
24
|
27
|
27
|
17
|
16
|
13
|
15
|
12
|
17
|
16
|
18
|
30
|
18
|
28
|
14
|
13
|
15
|
|
|
2025/05
|
53
|
60
|
58
|
45
|
45
|
81
|
103
|
29
|
46
|
56
|
37
|
47
|
45
|
60
|
38
|
19
|
41
|
87
|
62
|
21
|
19
|
21
|
45
|
57
|
51
|
48
|
52
|
33
|
25
|
24
|
17
|
|
2025/04
|
64
|
57
|
57
|
58
|
69
|
68
|
64
|
62
|
58
|
42
|
47
|
190
|
131
|
127
|
78
|
57
|
66
|
68
|
49
|
61
|
39
|
51
|
47
|
48
|
58
|
45
|
37
|
57
|
60
|
27
|
|
|
2025/03
|
63
|
34
|
15
|
36
|
39
|
52
|
64
|
54
|
46
|
53
|
32
|
57
|
52
|
44
|
29
|
47
|
39
|
43
|
46
|
54
|
53
|
53
|
57
|
55
|
56
|
68
|
98
|
64
|
70
|
55
|
62
|
|
2025/02
|
63
|
57
|
91
|
87
|
69
|
47
|
91
|
54
|
48
|
58
|
49
|
80
|
108
|
88
|
67
|
56
|
46
|
32
|
39
|
75
|
81
|
43
|
84
|
93
|
69
|
63
|
48
|
54
|
|||
|
2025/01
|
107
|
140
|
181
|
228
|
74
|
81
|
76
|
73
|
63
|
54
|
70
|
71
|
85
|
113
|
79
|
61
|
77
|
92
|
110
|
125
|
128
|
130
|
248
|
111
|
22
|
47
|
60
|
102
|
248
|
77
|
126
|
|
2024/12
|
49
|
69
|
122
|
93
|
48
|
56
|
55
|
77
|
53
|
69
|
67
|
92
|
88
|
58
|
57
|
53
|
68
|
93
|
71
|
95
|
98
|
65
|
69
|
93
|
109
|
134
|
155
|
75
|
62
|
103
|
128
|
|
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