Air Quality
Excellent
No health implications.
17
PM2.5
49
PM10
19
O3
0.5
CO
6
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Aug
64
Good
Fri
15 Aug
74
Good
Sat
16 Aug
50
Excellent
Sun
17 Aug
63
Good
Mon
18 Aug
64
Good
Tue
19 Aug
75
Good
Wed
20 Aug
41
Excellent
Air quality in the last 12 months (Dachuan)
|
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
|
|
|
2025/03
|
85
|
74
|
17
|
17
|
21
|
35
|
43
|
53
|
56
|
48
|
54
|
52
|
32
|
34
|
23
|
29
|
47
|
48
|
58
|
58
|
62
|
76
|
84
|
70
|
66
|
66
|
135
|
50
|
30
|
37
|
36
|
|
2025/02
|
49
|
32
|
36
|
36
|
40
|
32
|
38
|
37
|
51
|
63
|
83
|
69
|
48
|
45
|
43
|
58
|
65
|
57
|
64
|
36
|
42
|
31
|
30
|
46
|
64
|
87
|
77
|
73
|
|||
|
2025/01
|
155
|
156
|
156
|
88
|
59
|
80
|
99
|
70
|
76
|
69
|
83
|
82
|
109
|
126
|
100
|
79
|
85
|
121
|
129
|
123
|
144
|
210
|
236
|
69
|
16
|
51
|
69
|
76
|
125
|
101
|
122
|
|
2024/12
|
87
|
91
|
97
|
37
|
31
|
32
|
36
|
41
|
46
|
59
|
53
|
57
|
64
|
68
|
82
|
101
|
119
|
130
|
86
|
108
|
137
|
121
|
80
|
101
|
98
|
118
|
100
|
88
|
113
|
170
|
167
|
|
2024/11
|
28
|
34
|
49
|
41
|
32
|
42
|
49
|
58
|
30
|
42
|
43
|
37
|
29
|
35
|
46
|
21
|
12
|
13
|
17
|
23
|
39
|
39
|
36
|
31
|
20
|
44
|
53
|
52
|
66
|
86
|
|
|
2024/10
|
26
|
36
|
43
|
43
|
51
|
56
|
44
|
43
|
54
|
52
|
44
|
38
|
37
|
37
|
46
|
46
|
28
|
28
|
28
|
13
|
17
|
26
|
42
|
48
|
50
|
49
|
45
|
45
|
52
|
61
|
44
|
|
2024/09
|
50
|
51
|
30
|
43
|
47
|
33
|
34
|
26
|
32
|
26
|
36
|
31
|
36
|
37
|
28
|
30
|
30
|
42
|
46
|
34
|
16
|
16
|
29
|
43
|
56
|
69
|
58
|
50
|
42
|
12
|
|
|
2024/08
|
24
|
30
|
26
|
18
|
17
|
21
|
28
|
35
|
38
|
46
|
67
|
62
|
57
|
38
|
33
|
38
|
38
|
34
|
49
|
46
|
43
|
43
|
41
|
62
|
69
|
46
|
50
|
26
|
20
|
30
|
35
|
|
2024/07
|
28
|
26
|
29
|
25
|
15
|
19
|
29
|
14
|
16
|
13
|
14
|
18
|
16
|
11
|
20
|
21
|
26
|
19
|
23
|
26
|
21
|
22
|
24
|
26
|
39
|
45
|
33
|
47
|
39
|
10
|
15
|
|
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