Air Quality
Excellent
No health implications.
19
PM2.5
28
PM10
50
O3
0.4
CO
3
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Jul
66
Good
Thu
3 Jul
82
Good
Fri
4 Jul
103
Light
Sat
5 Jul
115
Light
Sun
6 Jul
61
Good
Mon
7 Jul
29
Excellent
Tue
8 Jul
49
Excellent
Air quality in the last 12 months (Dachang)
|
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
|
|
2024/06
|
37
|
46
|
51
|
60
|
64
|
69
|
49
|
43
|
69
|
76
|
62
|
55
|
64
|
39
|
36
|
51
|
62
|
69
|
90
|
61
|
55
|
106
|
94
|
33
|
50
|
64
|
61
|
61
|
63
|
40
|
|
|
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