Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
Fri
27 Jun
Sat
28 Jun
Sun
29 Jun
Mon
30 Jun
Tue
1 Jul
Wed
2 Jul
Real-time AQI (Monitoring Station in Hechi)
市环保站
2316
PM2.5
16
PM10
44
O3
0.6
CO
4
SO2
6
NO2
市疾控中心
2915
PM2.5
29
PM10
31
O3
0.6
CO
2
SO2
19
NO2
Air quality in the last 12 months (Hechi)
|
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
|
|
2024/11
|
46
|
42
|
54
|
64
|
58
|
55
|
60
|
55
|
53
|
55
|
62
|
66
|
68
|
69
|
62
|
61
|
58
|
24
|
15
|
18
|
18
|
20
|
32
|
49
|
55
|
21
|
30
|
35
|
41
|
55
|
|
|
2024/10
|
12
|
23
|
40
|
46
|
48
|
50
|
52
|
46
|
36
|
43
|
44
|
53
|
74
|
24
|
22
|
31
|
35
|
29
|
26
|
21
|
35
|
28
|
27
|
34
|
33
|
34
|
25
|
34
|
40
|
47
|
51
|
|
2024/09
|
26
|
29
|
29
|
28
|
37
|
37
|
26
|
22
|
23
|
25
|
28
|
34
|
38
|
41
|
36
|
31
|
24
|
28
|
35
|
33
|
27
|
22
|
26
|
42
|
50
|
59
|
44
|
48
|
41
|
35
|
|
|
2024/08
|
17
|
20
|
22
|
26
|
30
|
32
|
33
|
32
|
34
|
29
|
20
|
25
|
20
|
24
|
32
|
34
|
19
|
25
|
35
|
27
|
27
|
22
|
20
|
23
|
30
|
26
|
26
|
35
|
30
|
26
|
36
|
|
2024/07
|
31
|
16
|
16
|
24
|
20
|
17
|
20
|
20
|
25
|
25
|
22
|
22
|
24
|
24
|
28
|
29
|
26
|
24
|
21
|
25
|
37
|
35
|
30
|
24
|
34
|
40
|
29
|
22
|
17
|
16
|
19
|
|
2024/06
|
37
|
41
|
28
|
17
|
26
|
27
|
36
|
35
|
13
|
12
|
20
|
32
|
34
|
14
|
29
|
23
|
24
|
15
|
26
|
29
|
28
|
27
|
27
|
21
|
12
|
12
|
23
|
21
|
21
|
20
|
|
|
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
*: primary pollution