Air Quality
Excellent
No health implications.
9
PM2.5
10
PM10
31
O3
0.3
CO
3
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
37
Excellent
Sun
3 May
39
Excellent
Mon
4 May
46
Excellent
Tue
5 May
68
Good
Wed
6 May
50
Excellent
Thu
7 May
50
Excellent
Fri
8 May
40
Excellent
Air quality in the last 12 months (Dachuan)
|
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
|
|
|
2025/08
|
32
|
36
|
39
|
39
|
32
|
25
|
25
|
18
|
20
|
15
|
19
|
25
|
29
|
32
|
29
|
12
|
19
|
26
|
35
|
33
|
29
|
21
|
25
|
24
|
22
|
29
|
29
|
39
|
36
|
33
|
33
|
|
2025/07
|
13
|
17
|
19
|
19
|
24
|
28
|
18
|
13
|
20
|
22
|
24
|
29
|
38
|
40
|
41
|
41
|
40
|
23
|
22
|
23
|
24
|
19
|
12
|
13
|
15
|
20
|
27
|
24
|
30
|
25
|
29
|
|
2025/06
|
12
|
26
|
37
|
40
|
42
|
42
|
24
|
15
|
31
|
38
|
38
|
38
|
46
|
34
|
42
|
50
|
41
|
20
|
17
|
31
|
13
|
18
|
19
|
19
|
12
|
19
|
26
|
22
|
20
|
13
|
|
|
2025/05
|
52
|
66
|
65
|
43
|
55
|
57
|
50
|
28
|
75
|
77
|
63
|
58
|
48
|
45
|
74
|
78
|
80
|
62
|
71
|
78
|
66
|
29
|
62
|
65
|
56
|
47
|
40
|
24
|
28
|
32
|
19
|
|
2025/04
|
42
|
58
|
63
|
57
|
62
|
63
|
63
|
66
|
69
|
53
|
37
|
340
|
286
|
152
|
99
|
84
|
86
|
70
|
57
|
35
|
34
|
55
|
67
|
55
|
56
|
59
|
50
|
50
|
51
|
39
|
|
|
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