Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
58
*
PM10
45
O3
0.7
CO
4
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Dec
63
Good
Sun
28 Dec
76
Good
Mon
29 Dec
83
Good
Tue
30 Dec
67
Good
Wed
31 Dec
70
Good
Thu
1 Jan
29
Excellent
Fri
2 Jan
33
Excellent
Hechi Air quality rank
Real-time AQI (Monitoring Station in Hechi)
市环保站
5428
PM2.5
58 *
PM10
45
O3
0.7
CO
4
SO2
22
NO2
Air quality in the last 12 months (Hechi)
|
2025/11
|
19
|
22
|
7
|
10
|
16
|
30
|
39
|
18
|
9
|
9
|
9
|
22
|
36
|
36
|
38
|
39
|
43
|
16
|
19
|
28
|
31
|
38
|
43
|
52
|
42
|
46
|
48
|
53
|
53
|
63
|
|
|
2025/10
|
21
|
24
|
24
|
24
|
24
|
12
|
18
|
21
|
26
|
30
|
33
|
35
|
29
|
19
|
19
|
23
|
31
|
38
|
14
|
8
|
8
|
10
|
16
|
34
|
37
|
20
|
24
|
26
|
39
|
48
|
26
|
|
2025/09
|
22
|
24
|
18
|
23
|
21
|
22
|
29
|
26
|
16
|
16
|
17
|
15
|
21
|
23
|
23
|
20
|
19
|
21
|
25
|
34
|
19
|
19
|
16
|
11
|
8
|
13
|
22
|
27
|
24
|
33
|
|
|
2025/08
|
18
|
29
|
29
|
37
|
26
|
20
|
20
|
27
|
25
|
24
|
24
|
30
|
26
|
28
|
11
|
16
|
21
|
18
|
12
|
14
|
22
|
21
|
25
|
26
|
25
|
22
|
23
|
22
|
24
|
23
|
23
|
|
2025/07
|
20
|
20
|
21
|
24
|
25
|
31
|
32
|
35
|
34
|
24
|
22
|
25
|
26
|
18
|
22
|
28
|
27
|
32
|
23
|
26
|
17
|
12
|
12
|
20
|
21
|
18
|
23
|
30
|
29
|
29
|
24
|
|
2025/06
|
29
|
16
|
14
|
27
|
43
|
34
|
30
|
26
|
26
|
27
|
28
|
29
|
24
|
22
|
26
|
19
|
18
|
18
|
15
|
15
|
17
|
18
|
25
|
27
|
24
|
27
|
21
|
19
|
23
|
20
|
|
|
2025/05
|
28
|
47
|
51
|
26
|
27
|
24
|
22
|
45
|
21
|
28
|
20
|
34
|
45
|
41
|
26
|
16
|
22
|
20
|
22
|
24
|
25
|
30
|
20
|
41
|
35
|
25
|
38
|
37
|
9
|
28
|
30
|
|
2025/04
|
37
|
51
|
62
|
55
|
65
|
79
|
101
|
107
|
112
|
106
|
65
|
45
|
171
|
122
|
91
|
86
|
77
|
66
|
49
|
46
|
41
|
41
|
17
|
21
|
22
|
29
|
44
|
34
|
47
|
38
|
|
|
2025/03
|
47
|
48
|
78
|
33
|
19
|
15
|
28
|
40
|
62
|
32
|
40
|
47
|
29
|
23
|
13
|
22
|
41
|
21
|
34
|
47
|
52
|
69
|
78
|
76
|
88
|
82
|
73
|
69
|
16
|
12
|
27
|
|
2025/02
|
17
|
9
|
20
|
49
|
68
|
23
|
14
|
46
|
59
|
62
|
128
|
102
|
36
|
55
|
18
|
40
|
41
|
24
|
16
|
11
|
12
|
12
|
11
|
24
|
39
|
27
|
30
|
55
|
|||
|
2025/01
|
97
|
85
|
76
|
110
|
77
|
81
|
94
|
72
|
35
|
33
|
48
|
62
|
74
|
87
|
78
|
71
|
72
|
86
|
85
|
84
|
91
|
117
|
152
|
120
|
33
|
13
|
35
|
42
|
120
|
77
|
50
|
|
2024/12
|
70
|
79
|
90
|
90
|
45
|
15
|
8
|
29
|
53
|
46
|
35
|
34
|
43
|
50
|
41
|
56
|
79
|
73
|
68
|
77
|
81
|
91
|
84
|
90
|
88
|
84
|
78
|
56
|
84
|
124
|
113
|
|
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