ID: 213

AQSQID: 060811001

Site Name: Redwood City

Added: April 21, 2020, 6:24 p.m.

Updated: May 21, 2022, 1:39 p.m.

Location: Redwood City (Ampex), CA

Reporting: True, Located: True

Current AQI: 17.0

Redwood City (Ampex) CA, US: 37.4828, -122.2022

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 13, 2022, noon 9.9 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 13, 2022, 10 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 22.0
 
May 13, 2022, 10 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 22.0
 
May 13, 2022, 9 a.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 23.0
 
May 13, 2022, 9 a.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 23.0
 
May 13, 2022, 8 a.m. 5.9 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.18 ppb (3) N/A 1.0 μg/m3 (5) 23.0
 
May 13, 2022, 7 a.m. 7.9 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 27.0
 
May 13, 2022, 6 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 36.0
 
May 13, 2022, 5 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 37.0
 
May 13, 2022, 4 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.18 ppb (3) N/A -1.0 μg/m3 (0) 38.0
 
May 13, 2022, 2 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 39.0
 
May 13, 2022, 1 a.m. 1.8 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 39.0
 
May 13, 2022, midnight 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 39.0
 
May 12, 2022, 11 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 39.0
 
May 12, 2022, 10 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 39.0
 
May 12, 2022, 9 p.m. 3.4 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 38.0
 
May 12, 2022, 8 p.m. 3.5 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.16 ppb (3) N/A 7.0 μg/m3 (30) 38.0
 
May 12, 2022, 7 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 38.0
 
May 12, 2022, 7 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 38.0
 
May 12, 2022, 6 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 12, 2022, 5 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
May 12, 2022, 5 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
May 12, 2022, 4 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 35.0
 
May 12, 2022, 4 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 35.0
 
May 12, 2022, 3 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 31.0
 
May 12, 2022, 3 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 31.0
 
May 12, 2022, 2 p.m. 15.1 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 3.0 μg/m3 (13) 19.0
 
May 12, 2022, 2 p.m. 15.1 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 3.0 μg/m3 (13) 19.0
 
May 12, 2022, 1 p.m. 15.5 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) 0.29 ppb (4) N/A 1.0 μg/m3 (5) 15.0
 
May 12, 2022, noon 11.2 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) 0.24 ppb (3) N/A -3.0 μg/m3 (0) 13.0
 
May 12, 2022, 9 a.m. 3.5 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 25.0
 
May 12, 2022, 8 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A -1.0 μg/m3 (0) 25.0
 
May 12, 2022, 3 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 34.0
 
May 12, 2022, 1 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 33.0
 
May 12, 2022, midnight 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 34.0
 
May 11, 2022, 11 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
May 11, 2022, 10 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 34.0
 
May 11, 2022, 9 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
May 11, 2022, 8 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
May 11, 2022, 7 p.m. 6.5 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 32.0
 
May 11, 2022, 6 p.m. 5.8 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 33.0
 
May 11, 2022, 5 p.m. 7.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.19 ppb (3) N/A 4.0 μg/m3 (17) 31.0
 
May 11, 2022, 4 p.m. 8.8 ppb (9) 2.6 ppb (3) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 29.0
 
May 11, 2022, 3 p.m. 8.3 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 29.0
 
May 11, 2022, 2 p.m. 28.5 ppb (27) 10.6 ppb (10) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (12) 0.46 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
May 11, 2022, 2 p.m. 28.5 ppb (27) 10.6 ppb (10) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (12) 0.46 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
May 11, 2022, 1 p.m. 15.2 ppb (15) 2.2 ppb (3) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.31 ppb (4) N/A 1.0 μg/m3 (5) 15.0
 
May 11, 2022, 1 p.m. 15.2 ppb (15) 2.2 ppb (3) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.31 ppb (4) N/A 1.0 μg/m3 (5) 15.0
 
May 11, 2022, 11 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 34.0
 
May 11, 2022, 10 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 34.0
 
May 11, 2022, 9 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 34.0
 
May 11, 2022, 8 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.17 ppb (3) N/A -2.0 μg/m3 (0) 30.0
 
May 11, 2022, 4 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
May 11, 2022, 3 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 38.0
 
May 11, 2022, 2 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.15 ppb (2) N/A -1.0 μg/m3 (0) 38.0
 
May 11, 2022, midnight 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 10, 2022, 11 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 10, 2022, 9 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 0.0 μg/m3 (0) 38.0
 
May 10, 2022, 8 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 38.0
 
May 10, 2022, 7 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 10, 2022, 6 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
May 10, 2022, 5 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.14 ppb (2) N/A N/A 37.0
 
May 10, 2022, 4 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 36.0
 
May 10, 2022, 3 p.m. 3.5 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 34.0
 
May 10, 2022, 2 p.m. 13.1 ppb (13) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.3 ppb (4) N/A -1.0 μg/m3 (0) 25.0
 
May 10, 2022, 1 p.m. 14.5 ppb (14) 1.4 ppb (2) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) 0.31 ppb (4) N/A -1.0 μg/m3 (0) 19.0
 
May 10, 2022, noon 10.9 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.24 ppb (3) N/A 2.0 μg/m3 (9) 15.0
 
May 10, 2022, noon 10.9 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.24 ppb (3) N/A 2.0 μg/m3 (9) 15.0
 
May 10, 2022, 11 a.m. 5.6 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (20) 0.19 ppb (3) N/A 0.0 μg/m3 (0) 20.0
 
May 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
May 10, 2022, 10 a.m. 5.6 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (20) 0.19 ppb (3) N/A -3.0 μg/m3 (0) 20.0
 
May 10, 2022, 9 a.m. 4.4 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) 0.19 ppb (3) N/A 0.0 μg/m3 (0) 25.0
 
May 10, 2022, 8 a.m. 7.5 ppb (8) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 19.0
 
May 10, 2022, 7 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 22.0
 
May 10, 2022, 6 a.m. 12.6 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.19 ppb (3) N/A 0.0 μg/m3 (0) 21.0
 
May 10, 2022, 3 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 37.0
 
May 10, 2022, 3 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 37.0
 
May 10, 2022, 2 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 37.0
 
May 10, 2022, 2 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 37.0
 
May 10, 2022, 1 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 38.0
 
May 10, 2022, 1 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 38.0
 
May 10, 2022, midnight 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 38.0
 
May 10, 2022, midnight 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 38.0
 
May 9, 2022, 11 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 38.0
 
May 9, 2022, 11 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 38.0
 
May 9, 2022, 10 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
May 9, 2022, 9 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
May 9, 2022, 9 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
May 9, 2022, 6 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.14 ppb (2) N/A 8.0 μg/m3 (34) 39.0
 
May 9, 2022, 1 p.m. 16.4 ppb (16) 1.9 ppb (2) N/A 15.0 ppb (15) N/A N/A 21.0 ppb (20) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 20.0
 
May 9, 2022, noon 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.21 ppb (3) N/A 2.0 μg/m3 (9) 29.0
 
May 9, 2022, 11 a.m. 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
May 9, 2022, 10 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 36.0
 
May 9, 2022, 9 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 36.0
 
May 9, 2022, 8 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 36.0
 
May 9, 2022, 7 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 36.0
 
May 9, 2022, 2 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 9, 2022, 1 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 9, 2022, midnight 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
May 8, 2022, 11 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 38.0
 
May 8, 2022, 10 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.13 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 8, 2022, 4 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 40.0
 
May 8, 2022, 4 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 40.0
 
May 8, 2022, 3 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 39.0
 
May 8, 2022, 2 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 38.0
 
May 8, 2022, noon 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 37.0
 
May 8, 2022, noon 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 37.0
 
May 8, 2022, 11 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 35.0
 
May 8, 2022, 11 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 35.0
 
May 8, 2022, 10 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.15 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
May 8, 2022, 8 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 36.0
 
May 8, 2022, 7 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 37.0
 
May 8, 2022, 6 a.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
May 8, 2022, 6 a.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
May 8, 2022, 3 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 8, 2022, 2 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 38.0
 
May 8, 2022, 1 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
May 8, 2022, midnight 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 38.0
 
May 7, 2022, 10 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.16 ppb (3) N/A 6.0 μg/m3 (25) 39.0
 
May 7, 2022, 9 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.17 ppb (3) N/A 7.0 μg/m3 (30) 38.0
 
May 7, 2022, 8 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) N/A 8.0 μg/m3 (34) 38.0
 
May 7, 2022, 7 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 38.0
 
May 7, 2022, 5 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
May 7, 2022, 5 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
May 7, 2022, 4 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 37.0
 
May 7, 2022, 4 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 37.0
 
May 7, 2022, 3 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
May 7, 2022, 3 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
May 7, 2022, 2 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.19 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 7, 2022, 1 p.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 7, 2022, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
May 7, 2022, 11 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.16 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
May 7, 2022, 7 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 29.0
 
May 7, 2022, 6 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
May 7, 2022, 6 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
May 7, 2022, 5 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 24.0
 
May 7, 2022, 4 a.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 24.0
 
May 7, 2022, 4 a.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 24.0
 
May 7, 2022, 3 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.19 ppb (3) N/A 0.0 μg/m3 (0) 25.0
 
May 7, 2022, 2 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
May 6, 2022, 8 p.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 21.0
 
May 6, 2022, 6 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
May 6, 2022, 6 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
May 6, 2022, 5 p.m. 5.0 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.21 ppb (3) N/A 5.0 μg/m3 (21) 23.0
 
May 6, 2022, 4 p.m. 4.7 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 21.0
 
May 6, 2022, 3 p.m. 4.8 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) 0.21 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
May 6, 2022, 5 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A -1.0 μg/m3 (0) 26.0
 
May 6, 2022, 4 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 28.0
 
May 6, 2022, 4 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 0.0 μg/m3 (0) 28.0
 
May 6, 2022, 3 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A -2.0 μg/m3 (0) 28.0
 
May 6, 2022, 2 a.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A -2.0 μg/m3 (0) 28.0
 
May 6, 2022, 2 a.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A -2.0 μg/m3 (0) 28.0
 
May 6, 2022, 1 a.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 31.0
 
May 6, 2022, midnight 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 41.0
 
May 6, 2022, midnight 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 41.0
 
May 5, 2022, 11 p.m. 3.6 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 49.0
 
May 5, 2022, 11 p.m. 3.6 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 49.0
 
May 5, 2022, 10 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 45.0
 
May 5, 2022, 9 p.m. 6.7 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 5, 2022, 7 p.m. 6.1 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.19 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
May 5, 2022, 7 p.m. 6.1 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.19 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
May 5, 2022, 6 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.22 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 5, 2022, 5 p.m. 6.1 ppb (6) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.21 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 5, 2022, 4 p.m. 7.5 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
May 5, 2022, 3 p.m. 7.3 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
May 5, 2022, 2 p.m. 10.0 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 5, 2022, 6 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.21 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
May 5, 2022, 6 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.21 ppb (3) N/A 0.0 μg/m3 (0) 24.0