Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
39
O3
0.7
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jul
58
Good
Sat
26 Jul
57
Good
Sun
27 Jul
66
Good
Mon
28 Jul
74
Good
Tue
29 Jul
74
Good
Wed
30 Jul
87
Good
Thu
31 Jul
36
Excellent
Air quality in the last 12 months (Hequ)
|
2025/06
|
38
|
24
|
22
|
23
|
39
|
46
|
49
|
40
|
38
|
28
|
55
|
59
|
25
|
34
|
17
|
19
|
38
|
43
|
27
|
33
|
32
|
48
|
47
|
48
|
51
|
36
|
37
|
33
|
35
|
42
|
|
|
2025/05
|
56
|
62
|
27
|
63
|
118
|
58
|
70
|
71
|
28
|
42
|
44
|
61
|
90
|
27
|
45
|
186
|
75
|
62
|
72
|
70
|
68
|
83
|
48
|
48
|
41
|
41
|
49
|
61
|
58
|
52
|
21
|
|
2025/04
|
50
|
38
|
102
|
114
|
43
|
77
|
78
|
59
|
67
|
56
|
258
|
83
|
57
|
25
|
56
|
224
|
136
|
55
|
62
|
77
|
79
|
72
|
62
|
34
|
58
|
63
|
33
|
36
|
66
|
99
|
|
|
2025/03
|
78
|
70
|
39
|
52
|
49
|
37
|
45
|
65
|
77
|
88
|
241
|
104
|
75
|
75
|
40
|
27
|
36
|
27
|
36
|
37
|
54
|
79
|
218
|
217
|
246
|
243
|
187
|
53
|
30
|
30
|
42
|
|
2025/02
|
57
|
37
|
26
|
36
|
43
|
114
|
25
|
28
|
44
|
63
|
65
|
60
|
50
|
59
|
75
|
45
|
57
|
48
|
46
|
51
|
52
|
32
|
29
|
50
|
54
|
71
|
71
|
65
|
|||
|
2025/01
|
71
|
44
|
47
|
71
|
78
|
28
|
29
|
29
|
44
|
47
|
60
|
43
|
90
|
32
|
39
|
50
|
62
|
58
|
59
|
53
|
73
|
86
|
102
|
117
|
112
|
97
|
25
|
60
|
178
|
103
|
80
|
|
2024/12
|
55
|
35
|
49
|
46
|
37
|
32
|
34
|
41
|
55
|
67
|
56
|
71
|
81
|
45
|
51
|
61
|
51
|
46
|
60
|
48
|
39
|
53
|
63
|
63
|
56
|
47
|
35
|
51
|
97
|
93
|
69
|
|
2024/11
|
51
|
57
|
39
|
35
|
45
|
66
|
78
|
83
|
94
|
66
|
76
|
70
|
50
|
52
|
65
|
75
|
49
|
61
|
49
|
62
|
62
|
70
|
80
|
80
|
52
|
56
|
64
|
44
|
45
|
51
|
|
|
2024/10
|
56
|
33
|
48
|
54
|
61
|
48
|
37
|
46
|
47
|
41
|
51
|
62
|
44
|
55
|
53
|
82
|
74
|
22
|
31
|
23
|
33
|
27
|
52
|
64
|
64
|
44
|
39
|
55
|
59
|
55
|
41
|
|
2024/09
|
26
|
28
|
37
|
30
|
19
|
35
|
26
|
47
|
47
|
28
|
27
|
41
|
37
|
30
|
35
|
36
|
51
|
51
|
52
|
22
|
22
|
41
|
46
|
55
|
45
|
52
|
62
|
58
|
24
|
32
|
|
|
2024/08
|
39
|
46
|
35
|
31
|
34
|
33
|
23
|
34
|
46
|
59
|
17
|
19
|
30
|
40
|
32
|
40
|
42
|
37
|
43
|
43
|
44
|
46
|
51
|
54
|
42
|
17
|
31
|
46
|
47
|
48
|
48
|
|
2024/07
|
42
|
42
|
48
|
41
|
38
|
33
|
39
|
52
|
49
|
48
|
53
|
40
|
52
|
57
|
43
|
22
|
32
|
38
|
46
|
45
|
77
|
81
|
65
|
33
|
33
|
45
|
47
|
42
|
53
|
30
|
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