Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
140
O3
0.4
CO
3
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
99
Good
Sun
27 Jul
103
Light
Mon
28 Jul
97
Good
Tue
29 Jul
77
Good
Wed
30 Jul
69
Good
Thu
31 Jul
78
Good
Fri
1 Aug
29
Excellent
Dachang Air quality rank
Air quality in the last 12 months (Dachang)
|
2025/06
|
60
|
36
|
15
|
29
|
59
|
41
|
38
|
47
|
48
|
33
|
55
|
68
|
62
|
57
|
19
|
17
|
49
|
68
|
47
|
26
|
26
|
43
|
67
|
78
|
60
|
61
|
68
|
52
|
85
|
49
|
|
|
2025/05
|
37
|
47
|
26
|
53
|
55
|
19
|
75
|
90
|
29
|
37
|
65
|
82
|
76
|
25
|
43
|
78
|
44
|
50
|
68
|
101
|
72
|
66
|
50
|
34
|
57
|
61
|
53
|
62
|
65
|
76
|
71
|
|
2025/04
|
53
|
21
|
62
|
77
|
23
|
73
|
56
|
40
|
56
|
87
|
105
|
137
|
80
|
49
|
55
|
94
|
64
|
42
|
37
|
66
|
82
|
34
|
61
|
35
|
52
|
90
|
36
|
62
|
64
|
59
|
|
|
2025/03
|
221
|
64
|
32
|
54
|
87
|
22
|
71
|
116
|
166
|
133
|
186
|
73
|
92
|
72
|
47
|
20
|
28
|
28
|
44
|
35
|
36
|
53
|
113
|
87
|
59
|
84
|
52
|
35
|
25
|
47
|
67
|
|
2025/02
|
76
|
59
|
11
|
15
|
21
|
52
|
27
|
14
|
15
|
83
|
138
|
41
|
85
|
70
|
108
|
30
|
15
|
41
|
28
|
32
|
16
|
19
|
19
|
45
|
58
|
64
|
131
|
178
|
|||
|
2025/01
|
69
|
28
|
37
|
70
|
65
|
16
|
17
|
16
|
14
|
17
|
28
|
32
|
58
|
31
|
28
|
50
|
70
|
107
|
45
|
81
|
76
|
63
|
91
|
134
|
149
|
103
|
20
|
47
|
189
|
73
|
86
|
|
2024/12
|
68
|
14
|
41
|
36
|
30
|
25
|
17
|
22
|
43
|
46
|
48
|
72
|
31
|
33
|
43
|
38
|
19
|
17
|
56
|
50
|
18
|
22
|
36
|
82
|
86
|
25
|
21
|
41
|
81
|
70
|
47
|
|
2024/11
|
125
|
98
|
60
|
15
|
47
|
58
|
109
|
129
|
124
|
114
|
64
|
85
|
57
|
44
|
69
|
45
|
28
|
44
|
58
|
75
|
33
|
37
|
50
|
96
|
57
|
11
|
23
|
23
|
35
|
52
|
|
|
2024/10
|
13
|
15
|
38
|
66
|
82
|
90
|
21
|
26
|
87
|
24
|
64
|
99
|
118
|
177
|
51
|
44
|
61
|
48
|
11
|
32
|
56
|
26
|
51
|
95
|
139
|
188
|
55
|
59
|
104
|
75
|
99
|
|
2024/09
|
22
|
13
|
34
|
53
|
24
|
25
|
29
|
37
|
69
|
20
|
18
|
23
|
35
|
28
|
27
|
46
|
40
|
44
|
51
|
28
|
8
|
17
|
45
|
61
|
47
|
36
|
47
|
61
|
61
|
9
|
|
|
2024/08
|
23
|
40
|
39
|
26
|
16
|
47
|
46
|
33
|
57
|
34
|
28
|
14
|
13
|
23
|
47
|
46
|
45
|
28
|
25
|
14
|
21
|
26
|
38
|
27
|
41
|
20
|
19
|
33
|
42
|
55
|
50
|
|
2024/07
|
28
|
39
|
31
|
62
|
87
|
35
|
53
|
34
|
62
|
67
|
77
|
63
|
61
|
82
|
62
|
50
|
24
|
26
|
46
|
30
|
44
|
25
|
62
|
55
|
23
|
20
|
31
|
25
|
39
|
14
|
27
|
|
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