Air Quality in Niiza, Japan

Partly Cloudy
26.4°C · 68.1% humidity
26.4°
Feels 26.4°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 6am
0
0
31 9am
37
27
19 12pm
14
10
8 3pm
6
4
3 6pm
3
2
14 9pm
2
1
1 12am
1
1
1 3am
1
1
Station readings 8h ago
AQI 1
PM2.5 0.3 µg/m³ · 8h ago
CAMS model adj -53
34
34
34
34
54
54
54
54
54
54
54
54
54
54
54
66
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

18h · 1 stn

Niiza's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

68.1%
Humidity
24.7 km/h
Wind E
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.46 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Niiza?

Temperature & Precipitation

PM2.5 Trend

18h · 1 station
PM2.57.46 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (9 stations within 25 km)
7.46
Median
8.87
Average
2.4
Low
14.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +3.4

What is the 7-day forecast for Niiza?

08-03
28.2° 22.4°
9.5 mm
08-04
34.2° 25.8°
4.56 mm
08-05
32.3° 25.5°
1.81 mm
08-06
30.1° 26.8°
21.13 mm
08-07
36.2° 25.2°
11.69 mm
08-08
34.3° 26.5°
37.0 mm
08-09
35.6° 22.7°
1.25 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Niiza?

22
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
4.1 km PM2.5: 5.3 µg/m³
37
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
4.6 km PM2.5: 8.9 µg/m³
16
Niikura, Wakō-shi, Saitama-ken, Japan (和光新倉自排和光市)
5.5 km PM2.5: 3.8 µg/m³
25
Bijogi, Toda, Saitama, Japan (戸田美女木自排戸田市)
7.6 km PM2.5: 6.0 µg/m³
25
Bijogi, Toda, Saitama, Japan (戸田美女木自排戸田市)
7.6 km PM2.5: 6.0 µg/m³
17
Shimohoya, Nishitokyo, Tokyo, Japan (西東京市下保谷西東京市)
7.9 km PM2.5: 4.1 µg/m³
25
Tokorozawa (所沢)
8.4 km PM2.5: 6.0 µg/m³
22
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
10.1 km PM2.5: 5.3 µg/m³
25
Nishitokyo (西東京市)
10.8 km PM2.5: 6.0 µg/m³
17
西東京市南町
11.1 km 83.8% RH PM2.5: 4.0 µg/m³ PM10: 19.0 µg/m³

What cities are near Niiza?

33 Miyoshidai 35 Shiki 29 Asaka 37 Ōi 23 Kiyose 20 Ōizumi-gakuenchō 28 Wako 38 Kamifukuoka 22 Ōizumimachi 28 Narimasu
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:56 UTC.