Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
36
O3
0.4
CO
4
SO2
33
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
19
Excellent
Thu
17 Sep
24
Excellent
Fri
18 Sep
23
Excellent
Sat
19 Sep
21
Excellent
Sun
20 Sep
13
Excellent
Mon
21 Sep
17
Excellent
Tue
22 Sep
39
Excellent
Air quality in the last 12 months (Dachuan)
|
2026/08
|
30
|
27
|
10
|
14
|
16
|
23
|
24
|
28
|
38
|
43
|
32
|
33
|
35
|
27
|
40
|
54
|
49
|
32
|
34
|
30
|
35
|
38
|
31
|
39
|
33
|
34
|
40
|
52
|
25
|
37
|
41
|
|
2026/07
|
38
|
31
|
30
|
34
|
31
|
34
|
40
|
33
|
33
|
29
|
33
|
32
|
35
|
31
|
34
|
33
|
26
|
31
|
39
|
60
|
61
|
47
|
45
|
35
|
34
|
28
|
30
|
32
|
23
|
25
|
30
|
|
2026/06
|
36
|
39
|
46
|
55
|
57
|
49
|
30
|
23
|
34
|
38
|
41
|
32
|
37
|
38
|
51
|
50
|
31
|
24
|
30
|
29
|
25
|
13
|
15
|
14
|
18
|
24
|
29
|
31
|
35
|
39
|
|
|
2026/05
|
51
|
25
|
43
|
55
|
56
|
56
|
44
|
42
|
46
|
59
|
77
|
122
|
46
|
57
|
46
|
26
|
20
|
19
|
20
|
32
|
48
|
26
|
31
|
31
|
27
|
20
|
24
|
21
|
19
|
26
|
28
|
|
2026/04
|
39
|
34
|
43
|
62
|
69
|
75
|
35
|
32
|
39
|
39
|
27
|
31
|
22
|
22
|
20
|
33
|
56
|
58
|
51
|
62
|
20
|
21
|
33
|
45
|
58
|
78
|
59
|
23
|
35
|
43
|
|
|
2026/03
|
15
|
20
|
37
|
69
|
42
|
49
|
51
|
30
|
34
|
41
|
44
|
52
|
53
|
57
|
19
|
24
|
19
|
21
|
28
|
36
|
36
|
46
|
32
|
23
|
30
|
45
|
49
|
47
|
30
|
21
|
29
|
|
2026/02
|
58
|
77
|
99
|
105
|
122
|
90
|
70
|
69
|
55
|
67
|
70
|
74
|
96
|
92
|
64
|
32
|
59
|
63
|
70
|
75
|
71
|
77
|
60
|
39
|
41
|
35
|
26
|
20
|
|||
|
2026/01
|
29
|
36
|
52
|
75
|
78
|
80
|
96
|
109
|
110
|
110
|
155
|
176
|
150
|
157
|
165
|
140
|
179
|
162
|
51
|
33
|
50
|
65
|
81
|
81
|
77
|
83
|
70
|
72
|
52
|
22
|
40
|
|
2025/12
|
110
|
136
|
64
|
70
|
73
|
80
|
86
|
108
|
139
|
144
|
131
|
98
|
54
|
67
|
87
|
97
|
97
|
110
|
122
|
90
|
33
|
46
|
34
|
51
|
57
|
62
|
74
|
81
|
97
|
146
|
78
|
|
2025/11
|
49
|
45
|
58
|
48
|
51
|
29
|
14
|
19
|
16
|
33
|
42
|
49
|
55
|
46
|
43
|
47
|
17
|
28
|
40
|
66
|
73
|
89
|
76
|
64
|
57
|
68
|
72
|
75
|
76
|
91
|
|
|
2025/10
|
13
|
12
|
10
|
10
|
24
|
37
|
36
|
31
|
42
|
42
|
41
|
26
|
20
|
22
|
14
|
21
|
11
|
16
|
12
|
10
|
11
|
15
|
20
|
25
|
18
|
29
|
34
|
39
|
37
|
30
|
38
|
|
2025/09
|
36
|
37
|
47
|
41
|
40
|
11
|
31
|
18
|
25
|
19
|
18
|
14
|
21
|
30
|
37
|
33
|
18
|
20
|
15
|
14
|
12
|
10
|
11
|
24
|
26
|
18
|
21
|
26
|
13
|
14
|
|
|
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