Air Quality
Excellent
No health implications.
18
PM2.5
32
PM10
137
O3
0.2
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
67
Good
Mon
21 Jul
65
Good
Tue
22 Jul
65
Good
Wed
23 Jul
66
Good
Thu
24 Jul
71
Good
Fri
25 Jul
65
Good
Sat
26 Jul
15
Excellent
Air quality in the last 12 months (Huocheng)
|
2025/06
|
43
|
37
|
51
|
63
|
68
|
69
|
60
|
81
|
37
|
46
|
43
|
62
|
40
|
45
|
38
|
50
|
30
|
40
|
42
|
59
|
39
|
45
|
27
|
34
|
39
|
63
|
31
|
32
|
45
|
54
|
|
|
2025/05
|
47
|
36
|
30
|
43
|
65
|
53
|
72
|
110
|
102
|
73
|
48
|
24
|
26
|
37
|
52
|
47
|
55
|
107
|
39
|
39
|
58
|
63
|
62
|
43
|
28
|
49
|
18
|
32
|
30
|
45
|
45
|
|
2025/04
|
78
|
64
|
65
|
63
|
90
|
34
|
43
|
53
|
67
|
56
|
55
|
74
|
100
|
109
|
35
|
42
|
73
|
207
|
149
|
77
|
99
|
82
|
53
|
37
|
18
|
42
|
48
|
61
|
62
|
72
|
|
|
2025/03
|
68
|
58
|
75
|
33
|
29
|
46
|
44
|
22
|
21
|
17
|
50
|
74
|
48
|
80
|
82
|
75
|
64
|
61
|
64
|
69
|
66
|
65
|
68
|
49
|
38
|
219
|
234
|
94
|
84
|
70
|
78
|
|
2025/02
|
38
|
57
|
69
|
81
|
110
|
95
|
91
|
78
|
87
|
103
|
99
|
98
|
73
|
104
|
97
|
82
|
109
|
97
|
77
|
67
|
69
|
71
|
66
|
65
|
63
|
68
|
34
|
56
|
|||
|
2025/01
|
66
|
75
|
90
|
73
|
84
|
93
|
125
|
87
|
34
|
52
|
58
|
131
|
137
|
127
|
106
|
62
|
68
|
98
|
114
|
123
|
119
|
82
|
36
|
44
|
54
|
64
|
93
|
88
|
180
|
123
|
62
|
|
2024/12
|
62
|
33
|
54
|
53
|
46
|
53
|
74
|
90
|
31
|
77
|
59
|
46
|
55
|
63
|
71
|
46
|
43
|
55
|
72
|
70
|
43
|
42
|
54
|
107
|
132
|
115
|
56
|
72
|
67
|
71
|
79
|
|
2024/11
|
47
|
55
|
60
|
66
|
80
|
75
|
31
|
28
|
22
|
27
|
45
|
54
|
58
|
24
|
40
|
62
|
70
|
62
|
60
|
66
|
58
|
39
|
46
|
34
|
47
|
59
|
65
|
60
|
71
|
90
|
|
|
2024/10
|
41
|
67
|
62
|
37
|
48
|
51
|
45
|
36
|
51
|
71
|
72
|
33
|
30
|
46
|
46
|
34
|
16
|
28
|
41
|
49
|
52
|
71
|
50
|
26
|
38
|
54
|
51
|
54
|
23
|
45
|
50
|
|
2024/09
|
47
|
26
|
22
|
39
|
53
|
63
|
28
|
19
|
29
|
28
|
40
|
32
|
49
|
38
|
56
|
58
|
73
|
61
|
63
|
69
|
54
|
61
|
42
|
41
|
62
|
34
|
15
|
20
|
23
|
35
|
|
|
2024/08
|
24
|
60
|
37
|
37
|
36
|
46
|
31
|
31
|
41
|
57
|
29
|
26
|
29
|
43
|
50
|
58
|
42
|
30
|
15
|
25
|
39
|
29
|
47
|
40
|
27
|
35
|
32
|
37
|
61
|
21
|
35
|
|
2024/07
|
30
|
23
|
27
|
40
|
31
|
16
|
23
|
31
|
26
|
22
|
29
|
24
|
39
|
37
|
30
|
35
|
25
|
34
|
21
|
25
|
24
|
33
|
41
|
37
|
25
|
45
|
42
|
45
|
44
|
53
|
36
|
|
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