Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Oct
Fri
17 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Real-time AQI (Monitoring Station in Langfang)
药材公司
5539 *
PM2.5
55
PM10
55
O3
0.7
CO
8
SO2
32
NO2
开发区
5632
PM2.5
62 *
PM10
57
O3
0.6
CO
3
SO2
28
NO2
北华航天学院
5628
PM2.5
62 *
PM10
60
O3
0.6
CO
7
SO2
27
NO2
河北工业大学
5438 *
PM2.5
45
PM10
59
O3
0.6
CO
3
SO2
27
NO2
Air quality in the last 12 months (Langfang)
|
2025/08
|
59
|
55
|
36
|
39
|
36
|
56
|
42
|
40
|
30
|
38
|
48
|
54
|
35
|
43
|
45
|
30
|
47
|
45
|
34
|
34
|
39
|
39
|
36
|
21
|
33
|
43
|
32
|
21
|
38
|
33
|
31
|
|
2025/07
|
44
|
43
|
33
|
47
|
44
|
28
|
47
|
42
|
54
|
44
|
54
|
56
|
34
|
48
|
42
|
39
|
35
|
50
|
54
|
31
|
38
|
56
|
41
|
32
|
39
|
53
|
47
|
42
|
18
|
29
|
47
|
|
2025/06
|
75
|
58
|
30
|
29
|
59
|
54
|
55
|
54
|
57
|
43
|
63
|
78
|
69
|
51
|
30
|
24
|
62
|
80
|
44
|
39
|
40
|
47
|
98
|
85
|
75
|
64
|
55
|
49
|
62
|
44
|
|
|
2025/05
|
40
|
53
|
31
|
54
|
62
|
32
|
89
|
92
|
37
|
41
|
65
|
77
|
72
|
43
|
50
|
81
|
72
|
51
|
84
|
119
|
78
|
66
|
61
|
47
|
58
|
70
|
68
|
70
|
74
|
78
|
76
|
|
2025/04
|
61
|
29
|
66
|
99
|
30
|
73
|
67
|
49
|
51
|
92
|
117
|
149
|
65
|
48
|
57
|
94
|
75
|
61
|
53
|
74
|
95
|
47
|
69
|
40
|
55
|
87
|
62
|
67
|
61
|
65
|
|
|
2025/03
|
231
|
73
|
32
|
53
|
89
|
30
|
84
|
123
|
152
|
136
|
168
|
96
|
106
|
79
|
45
|
25
|
37
|
28
|
46
|
40
|
34
|
54
|
104
|
83
|
51
|
83
|
57
|
35
|
21
|
43
|
72
|
|
2025/02
|
67
|
60
|
17
|
24
|
22
|
64
|
28
|
15
|
26
|
129
|
150
|
53
|
83
|
97
|
124
|
30
|
19
|
56
|
34
|
43
|
21
|
19
|
21
|
54
|
62
|
62
|
144
|
195
|
|||
|
2025/01
|
88
|
37
|
42
|
91
|
92
|
20
|
24
|
23
|
18
|
29
|
33
|
34
|
87
|
44
|
27
|
51
|
77
|
136
|
54
|
101
|
88
|
60
|
75
|
127
|
140
|
121
|
30
|
38
|
219
|
78
|
83
|
|
2024/12
|
118
|
26
|
52
|
59
|
56
|
31
|
20
|
31
|
56
|
46
|
51
|
97
|
47
|
35
|
43
|
43
|
24
|
21
|
61
|
59
|
23
|
26
|
41
|
92
|
106
|
29
|
31
|
46
|
99
|
76
|
57
|
|
2024/11
|
124
|
94
|
70
|
31
|
51
|
71
|
130
|
138
|
113
|
111
|
76
|
126
|
80
|
50
|
75
|
66
|
40
|
55
|
62
|
90
|
43
|
40
|
50
|
117
|
72
|
23
|
21
|
25
|
46
|
65
|
|
|
2024/10
|
21
|
20
|
45
|
72
|
90
|
103
|
32
|
40
|
122
|
44
|
78
|
125
|
129
|
152
|
73
|
54
|
63
|
56
|
26
|
40
|
62
|
40
|
64
|
127
|
148
|
207
|
72
|
76
|
118
|
131
|
135
|
|
2024/09
|
30
|
19
|
43
|
57
|
35
|
37
|
38
|
46
|
63
|
30
|
33
|
33
|
46
|
33
|
32
|
58
|
51
|
50
|
56
|
35
|
14
|
23
|
46
|
73
|
53
|
51
|
48
|
72
|
66
|
15
|
|
|
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