Air Quality
Excellent
No health implications.
4
PM2.5
15
PM10
38
O3
0.4
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
31
Excellent
Wed
1 Jul
31
Excellent
Thu
2 Jul
29
Excellent
Fri
3 Jul
31
Excellent
Sat
4 Jul
40
Excellent
Sun
5 Jul
38
Excellent
Mon
6 Jul
29
Excellent
Air quality in the last 12 months (Huichuan)
|
2026/05
|
35
|
32
|
32
|
39
|
42
|
42
|
45
|
36
|
43
|
47
|
48
|
44
|
41
|
42
|
25
|
25
|
26
|
25
|
28
|
29
|
27
|
28
|
35
|
37
|
39
|
41
|
30
|
24
|
26
|
36
|
38
|
|
2026/04
|
30
|
40
|
35
|
39
|
43
|
45
|
27
|
40
|
45
|
44
|
31
|
32
|
28
|
34
|
28
|
30
|
33
|
34
|
48
|
37
|
22
|
26
|
35
|
35
|
44
|
46
|
31
|
26
|
30
|
38
|
|
|
2026/03
|
21
|
26
|
26
|
31
|
37
|
40
|
24
|
17
|
19
|
24
|
40
|
43
|
47
|
49
|
15
|
19
|
17
|
20
|
26
|
23
|
32
|
32
|
22
|
23
|
25
|
25
|
35
|
31
|
34
|
34
|
26
|
|
2026/02
|
29
|
49
|
58
|
55
|
57
|
66
|
52
|
48
|
41
|
33
|
44
|
54
|
65
|
62
|
58
|
60
|
83
|
58
|
53
|
59
|
64
|
66
|
47
|
46
|
37
|
44
|
20
|
17
|
|||
|
2026/01
|
34
|
40
|
36
|
35
|
50
|
57
|
72
|
67
|
83
|
113
|
87
|
76
|
87
|
105
|
114
|
125
|
137
|
88
|
68
|
31
|
30
|
58
|
61
|
70
|
43
|
39
|
47
|
41
|
33
|
22
|
30
|
|
2025/12
|
95
|
99
|
63
|
59
|
64
|
74
|
60
|
58
|
64
|
55
|
65
|
69
|
45
|
43
|
51
|
72
|
61
|
86
|
72
|
54
|
66
|
53
|
40
|
43
|
49
|
54
|
65
|
87
|
79
|
56
|
32
|
|
2025/11
|
14
|
17
|
15
|
14
|
14
|
10
|
10
|
9
|
9
|
10
|
21
|
23
|
24
|
37
|
38
|
45
|
23
|
14
|
24
|
28
|
39
|
48
|
36
|
38
|
48
|
50
|
54
|
65
|
62
|
79
|
|
|
2025/10
|
21
|
19
|
16
|
13
|
14
|
16
|
14
|
14
|
15
|
15
|
17
|
20
|
15
|
16
|
11
|
9
|
12
|
8
|
7
|
8
|
10
|
11
|
16
|
20
|
33
|
25
|
17
|
21
|
23
|
19
|
19
|
|
2025/09
|
44
|
38
|
34
|
25
|
29
|
26
|
36
|
29
|
22
|
21
|
22
|
27
|
21
|
23
|
27
|
24
|
27
|
25
|
29
|
28
|
21
|
19
|
20
|
18
|
21
|
15
|
19
|
25
|
28
|
29
|
|
|
2025/08
|
30
|
31
|
33
|
30
|
40
|
31
|
34
|
25
|
25
|
25
|
19
|
19
|
25
|
23
|
17
|
20
|
23
|
23
|
19
|
20
|
24
|
20
|
25
|
26
|
25
|
27
|
26
|
25
|
42
|
49
|
43
|
|
2025/07
|
29
|
24
|
24
|
24
|
27
|
31
|
30
|
34
|
30
|
26
|
26
|
31
|
34
|
32
|
35
|
32
|
31
|
36
|
32
|
35
|
31
|
32
|
22
|
24
|
26
|
29
|
30
|
31
|
27
|
31
|
29
|
|
2025/06
|
18
|
22
|
23
|
29
|
22
|
27
|
37
|
37
|
26
|
29
|
34
|
32
|
34
|
31
|
32
|
28
|
23
|
23
|
18
|
21
|
30
|
22
|
22
|
22
|
25
|
19
|
26
|
23
|
24
|
29
|
|
|
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