Air Quality
Severe
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
Advise
Children, seniors and the sick should stay indoors and avoid physical exertion. General population should avoid outdoor activities.
Air Quality
Today
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Mon
7 Apr
Real-time AQI (Monitoring Station in Zhangye)
监测站
350116
PM2.5
460 *
PM10
31
O3
0.5
CO
4
SO2
13
NO2
科委
355138
PM2.5
464 *
PM10
23
O3
0.5
CO
6
SO2
18
NO2
Air quality in the last 12 months (Zhangye)
|
2025/02
|
54
|
51
|
40
|
38
|
40
|
37
|
44
|
55
|
59
|
52
|
111
|
71
|
45
|
58
|
92
|
77
|
78
|
87
|
87
|
78
|
75
|
78
|
67
|
87
|
81
|
63
|
75
|
85
|
|||
|
2025/01
|
78
|
67
|
81
|
77
|
44
|
59
|
70
|
65
|
67
|
55
|
106
|
61
|
75
|
55
|
41
|
48
|
78
|
53
|
53
|
43
|
87
|
84
|
87
|
70
|
76
|
81
|
64
|
68
|
67
|
54
|
42
|
|
2024/12
|
46
|
58
|
61
|
67
|
55
|
48
|
57
|
63
|
74
|
69
|
73
|
72
|
56
|
54
|
49
|
55
|
62
|
64
|
68
|
74
|
66
|
102
|
89
|
62
|
62
|
48
|
46
|
77
|
129
|
69
|
102
|
|
2024/11
|
79
|
70
|
74
|
72
|
62
|
59
|
68
|
83
|
89
|
100
|
72
|
76
|
68
|
143
|
173
|
59
|
69
|
77
|
64
|
62
|
68
|
77
|
99
|
63
|
34
|
52
|
46
|
46
|
45
|
50
|
|
|
2024/10
|
36
|
38
|
47
|
53
|
49
|
37
|
51
|
71
|
63
|
59
|
62
|
55
|
56
|
71
|
72
|
70
|
63
|
111
|
219
|
101
|
40
|
36
|
46
|
60
|
54
|
63
|
46
|
60
|
65
|
71
|
71
|
|
2024/09
|
28
|
30
|
65
|
17
|
20
|
20
|
25
|
55
|
60
|
35
|
27
|
39
|
37
|
42
|
51
|
45
|
31
|
41
|
33
|
28
|
34
|
40
|
42
|
85
|
66
|
37
|
62
|
47
|
44
|
31
|
|
|
2024/08
|
42
|
18
|
22
|
26
|
35
|
36
|
28
|
166
|
133
|
24
|
24
|
43
|
48
|
51
|
31
|
28
|
26
|
27
|
29
|
39
|
33
|
45
|
47
|
122
|
89
|
77
|
51
|
68
|
51
|
100
|
65
|
|
2024/07
|
22
|
25
|
60
|
157
|
63
|
37
|
41
|
297
|
116
|
68
|
79
|
49
|
44
|
29
|
22
|
28
|
47
|
47
|
26
|
251
|
101
|
54
|
38
|
27
|
25
|
35
|
33
|
47
|
40
|
35
|
37
|
|
2024/06
|
53
|
50
|
51
|
37
|
70
|
41
|
49
|
37
|
28
|
33
|
37
|
33
|
159
|
40
|
55
|
56
|
86
|
194
|
45
|
21
|
35
|
37
|
38
|
49
|
106
|
66
|
67
|
41
|
84
|
21
|
|
|
2024/05
|
51
|
69
|
57
|
75
|
78
|
86
|
74
|
120
|
90
|
38
|
26
|
47
|
39
|
182
|
500
|
500
|
491
|
167
|
112
|
127
|
112
|
125
|
110
|
123
|
94
|
69
|
61
|
84
|
44
|
27
|
33
|
|
2024/04
|
189
|
62
|
120
|
102
|
57
|
52
|
85
|
81
|
63
|
51
|
95
|
92
|
318
|
278
|
113
|
101
|
124
|
77
|
45
|
32
|
49
|
79
|
51
|
60
|
54
|
356
|
358
|
59
|
49
|
38
|
|
|
2024/03
|
57
|
39
|
62
|
76
|
86
|
78
|
69
|
50
|
163
|
192
|
83
|
108
|
107
|
160
|
350
|
81
|
90
|
70
|
77
|
83
|
93
|
108
|
66
|
30
|
41
|
91
|
74
|
78
|
92
|
111
|
98
|
|
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