Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
40
O3
0.2
CO
1
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
55
Good
Tue
22 Jul
51
Good
Wed
23 Jul
45
Excellent
Thu
24 Jul
62
Good
Fri
25 Jul
60
Good
Sat
26 Jul
71
Good
Sun
27 Jul
49
Excellent
Air quality in the last 12 months (Huancui)
|
2025/06
|
39
|
26
|
26
|
22
|
37
|
49
|
32
|
26
|
25
|
21
|
19
|
14
|
12
|
15
|
19
|
32
|
27
|
32
|
14
|
19
|
36
|
21
|
20
|
26
|
27
|
37
|
41
|
42
|
23
|
21
|
|
|
2025/05
|
51
|
32
|
20
|
31
|
22
|
23
|
34
|
44
|
32
|
36
|
29
|
50
|
44
|
40
|
37
|
30
|
28
|
31
|
60
|
69
|
25
|
59
|
55
|
37
|
45
|
52
|
59
|
35
|
34
|
49
|
38
|
|
2025/04
|
53
|
48
|
47
|
34
|
40
|
31
|
67
|
50
|
43
|
42
|
32
|
63
|
65
|
22
|
35
|
63
|
81
|
33
|
31
|
55
|
27
|
29
|
37
|
49
|
36
|
63
|
52
|
37
|
51
|
59
|
|
|
2025/03
|
70
|
56
|
33
|
11
|
20
|
43
|
48
|
79
|
115
|
72
|
26
|
76
|
65
|
48
|
46
|
37
|
38
|
38
|
42
|
46
|
46
|
57
|
65
|
102
|
141
|
154
|
68
|
32
|
31
|
34
|
56
|
|
2025/02
|
31
|
52
|
22
|
22
|
18
|
35
|
21
|
36
|
26
|
49
|
35
|
28
|
51
|
65
|
83
|
78
|
23
|
24
|
27
|
30
|
31
|
24
|
22
|
41
|
62
|
84
|
70
|
97
|
|||
|
2025/01
|
55
|
16
|
23
|
50
|
129
|
32
|
19
|
22
|
18
|
19
|
27
|
46
|
71
|
69
|
27
|
47
|
47
|
67
|
137
|
43
|
81
|
35
|
22
|
22
|
53
|
56
|
46
|
17
|
36
|
27
|
30
|
|
2024/12
|
53
|
39
|
21
|
33
|
50
|
23
|
15
|
25
|
47
|
55
|
27
|
27
|
30
|
26
|
25
|
33
|
20
|
23
|
18
|
71
|
26
|
23
|
34
|
20
|
78
|
37
|
26
|
25
|
52
|
77
|
39
|
|
2024/11
|
57
|
53
|
27
|
45
|
17
|
16
|
31
|
43
|
46
|
46
|
42
|
51
|
22
|
29
|
21
|
39
|
19
|
13
|
29
|
61
|
61
|
21
|
17
|
25
|
28
|
20
|
16
|
25
|
24
|
42
|
|
|
2024/10
|
13
|
10
|
11
|
14
|
14
|
26
|
32
|
22
|
20
|
39
|
40
|
41
|
42
|
18
|
31
|
19
|
31
|
22
|
45
|
22
|
14
|
13
|
26
|
50
|
49
|
60
|
50
|
14
|
37
|
71
|
74
|
|
2024/09
|
27
|
16
|
16
|
18
|
15
|
15
|
25
|
25
|
18
|
14
|
14
|
18
|
24
|
38
|
24
|
23
|
14
|
25
|
30
|
23
|
18
|
17
|
12
|
12
|
20
|
33
|
25
|
20
|
18
|
17
|
|
|
2024/08
|
29
|
35
|
17
|
27
|
14
|
17
|
21
|
26
|
35
|
19
|
49
|
67
|
50
|
32
|
40
|
42
|
35
|
26
|
11
|
13
|
18
|
21
|
40
|
42
|
33
|
28
|
13
|
18
|
23
|
33
|
24
|
|
2024/07
|
44
|
17
|
30
|
32
|
19
|
15
|
22
|
47
|
49
|
37
|
58
|
52
|
68
|
41
|
37
|
13
|
17
|
33
|
40
|
13
|
16
|
12
|
13
|
22
|
12
|
17
|
22
|
28
|
31
|
30
|
30
|
|
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