Air Quality
Excellent
No health implications.
7
PM2.5
18
PM10
38
O3
0.6
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Mar
36
Excellent
Tue
17 Mar
53
Good
Wed
18 Mar
60
Good
Thu
19 Mar
89
Good
Fri
20 Mar
85
Good
Sat
21 Mar
82
Good
Sun
22 Mar
49
Excellent
Air quality in the last 12 months (Dianjun)
|
2026/02
|
110
|
98
|
114
|
133
|
124
|
116
|
119
|
101
|
91
|
83
|
97
|
103
|
114
|
99
|
94
|
31
|
100
|
58
|
67
|
59
|
62
|
81
|
86
|
62
|
60
|
40
|
26
|
43
|
|||
|
2026/01
|
45
|
67
|
120
|
113
|
88
|
80
|
73
|
73
|
81
|
66
|
78
|
95
|
88
|
124
|
126
|
122
|
147
|
164
|
57
|
52
|
70
|
91
|
108
|
120
|
101
|
103
|
124
|
154
|
93
|
43
|
78
|
|
2025/12
|
76
|
89
|
87
|
87
|
107
|
99
|
106
|
75
|
84
|
147
|
156
|
149
|
38
|
64
|
81
|
91
|
89
|
130
|
124
|
78
|
35
|
74
|
41
|
51
|
61
|
67
|
81
|
122
|
124
|
112
|
74
|
|
2025/11
|
42
|
39
|
53
|
94
|
92
|
85
|
27
|
21
|
25
|
43
|
46
|
44
|
46
|
62
|
73
|
82
|
36
|
23
|
23
|
33
|
38
|
51
|
57
|
46
|
46
|
56
|
58
|
68
|
65
|
86
|
|
|
2025/10
|
34
|
20
|
17
|
25
|
31
|
52
|
52
|
68
|
100
|
74
|
49
|
39
|
16
|
15
|
28
|
27
|
21
|
14
|
20
|
17
|
14
|
30
|
37
|
44
|
49
|
47
|
55
|
54
|
68
|
83
|
71
|
|
2025/09
|
22
|
30
|
39
|
20
|
38
|
18
|
41
|
39
|
17
|
28
|
19
|
21
|
17
|
29
|
36
|
31
|
24
|
12
|
17
|
21
|
21
|
31
|
25
|
25
|
24
|
17
|
34
|
33
|
19
|
27
|
|
|
2025/08
|
30
|
33
|
43
|
47
|
41
|
32
|
25
|
19
|
15
|
9
|
12
|
10
|
10
|
19
|
18
|
17
|
20
|
28
|
29
|
18
|
18
|
19
|
25
|
20
|
16
|
22
|
20
|
31
|
25
|
23
|
20
|
|
2025/07
|
19
|
17
|
20
|
20
|
25
|
30
|
24
|
27
|
28
|
18
|
32
|
33
|
25
|
30
|
30
|
28
|
23
|
22
|
24
|
27
|
21
|
18
|
10
|
16
|
18
|
26
|
22
|
17
|
18
|
22
|
26
|
|
2025/06
|
11
|
19
|
31
|
32
|
35
|
41
|
37
|
21
|
23
|
30
|
31
|
27
|
33
|
39
|
35
|
43
|
39
|
24
|
13
|
13
|
18
|
24
|
24
|
28
|
17
|
13
|
25
|
32
|
21
|
19
|
|
|
2025/05
|
61
|
64
|
57
|
34
|
34
|
174
|
170
|
43
|
31
|
47
|
43
|
49
|
60
|
41
|
42
|
34
|
53
|
85
|
58
|
49
|
54
|
31
|
40
|
59
|
66
|
63
|
61
|
33
|
41
|
35
|
19
|
|
2025/04
|
55
|
61
|
62
|
51
|
59
|
69
|
66
|
58
|
58
|
40
|
39
|
247
|
163
|
154
|
80
|
74
|
72
|
68
|
60
|
60
|
51
|
69
|
79
|
72
|
66
|
67
|
53
|
50
|
44
|
32
|
|
|
2025/03
|
106
|
90
|
18
|
30
|
44
|
41
|
64
|
88
|
66
|
55
|
87
|
63
|
56
|
44
|
29
|
39
|
49
|
43
|
41
|
45
|
49
|
56
|
48
|
57
|
45
|
52
|
115
|
52
|
71
|
61
|
61
|
|
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