Air Quality
Excellent
No health implications.
4
PM2.5
26
PM10
44
O3
0.5
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
109
Light
Sat
19 Jul
74
Good
Sun
20 Jul
54
Good
Mon
21 Jul
66
Good
Tue
22 Jul
72
Good
Wed
23 Jul
88
Good
Thu
24 Jul
45
Excellent
Air quality in the last 12 months (Xiahuayuan)
|
2025/06
|
52
|
17
|
13
|
20
|
35
|
26
|
21
|
33
|
37
|
27
|
49
|
69
|
50
|
39
|
13
|
18
|
34
|
47
|
32
|
24
|
23
|
30
|
42
|
43
|
50
|
61
|
57
|
51
|
41
|
37
|
|
|
2025/05
|
23
|
26
|
18
|
28
|
67
|
29
|
56
|
82
|
19
|
38
|
33
|
50
|
53
|
25
|
44
|
86
|
39
|
31
|
32
|
65
|
60
|
58
|
57
|
38
|
42
|
33
|
33
|
45
|
57
|
66
|
44
|
|
2025/04
|
33
|
25
|
53
|
65
|
22
|
54
|
54
|
36
|
40
|
47
|
115
|
67
|
54
|
36
|
40
|
82
|
74
|
18
|
27
|
56
|
67
|
35
|
53
|
27
|
36
|
61
|
24
|
31
|
49
|
32
|
|
|
2025/03
|
112
|
92
|
34
|
43
|
45
|
25
|
46
|
73
|
87
|
110
|
144
|
68
|
83
|
73
|
37
|
20
|
25
|
23
|
25
|
28
|
30
|
59
|
187
|
84
|
63
|
109
|
40
|
25
|
21
|
34
|
38
|
|
2025/02
|
82
|
43
|
10
|
20
|
24
|
53
|
11
|
15
|
26
|
50
|
70
|
36
|
48
|
49
|
70
|
20
|
18
|
23
|
19
|
18
|
19
|
19
|
14
|
34
|
31
|
41
|
76
|
75
|
|||
|
2025/01
|
40
|
26
|
28
|
39
|
40
|
12
|
11
|
16
|
15
|
22
|
43
|
29
|
34
|
19
|
24
|
42
|
53
|
53
|
38
|
49
|
34
|
39
|
68
|
80
|
105
|
111
|
12
|
20
|
80
|
53
|
75
|
|
2024/12
|
38
|
15
|
25
|
26
|
16
|
15
|
12
|
23
|
36
|
39
|
39
|
47
|
26
|
23
|
31
|
34
|
20
|
20
|
36
|
33
|
16
|
29
|
39
|
55
|
55
|
22
|
18
|
42
|
74
|
67
|
45
|
|
2024/11
|
58
|
68
|
41
|
16
|
28
|
33
|
68
|
119
|
165
|
107
|
64
|
57
|
87
|
61
|
45
|
50
|
29
|
40
|
66
|
56
|
27
|
25
|
52
|
91
|
34
|
15
|
13
|
15
|
22
|
33
|
|
|
2024/10
|
7
|
15
|
25
|
43
|
62
|
67
|
18
|
27
|
44
|
21
|
40
|
58
|
95
|
61
|
38
|
48
|
61
|
24
|
11
|
22
|
41
|
19
|
35
|
41
|
89
|
135
|
19
|
32
|
43
|
47
|
105
|
|
2024/09
|
21
|
12
|
19
|
36
|
11
|
21
|
15
|
23
|
36
|
14
|
19
|
16
|
21
|
12
|
19
|
28
|
21
|
36
|
48
|
22
|
7
|
11
|
27
|
42
|
22
|
35
|
57
|
57
|
48
|
10
|
|
|
2024/08
|
15
|
28
|
28
|
21
|
18
|
26
|
37
|
34
|
30
|
41
|
9
|
10
|
12
|
19
|
32
|
35
|
28
|
22
|
18
|
15
|
13
|
18
|
24
|
27
|
25
|
11
|
17
|
20
|
28
|
37
|
47
|
|
2024/07
|
20
|
30
|
30
|
39
|
45
|
28
|
34
|
37
|
56
|
57
|
57
|
45
|
30
|
49
|
55
|
27
|
16
|
24
|
34
|
25
|
48
|
39
|
50
|
40
|
14
|
20
|
37
|
29
|
23
|
21
|
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