ID: 213

AQSQID: 060811001

Site Name: Redwood City

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

Updated: July 2, 2022, 5:24 a.m.

Location: Redwood City (Ampex), CA

Reporting: True, Located: True

Current AQI: 24.0

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
July 2, 2022, 3 a.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.25 ppb (3) N/A 1.0 μg/m3 (5) 24.0
 
July 2, 2022, 3 a.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.25 ppb (3) N/A 1.0 μg/m3 (5) 24.0
 
July 2, 2022, 2 a.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 2, 2022, 2 a.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 2, 2022, 1 a.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 2, 2022, 1 a.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 2, 2022, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 2, 2022, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 1, 2022, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
July 1, 2022, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
July 1, 2022, 10 p.m. 3.2 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2022, 10 p.m. 3.2 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2022, 9 p.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2022, 9 p.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2022, 9 p.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2022, 7 p.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
July 1, 2022, 4 p.m. 6.0 ppb (6) 2.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 1, 2022, 2 p.m. 21.8 ppb (21) 10.9 ppb (11) N/A 11.0 ppb (11) N/A N/A 8.0 ppb (8) 0.47 ppb (6) N/A 0.0 μg/m3 (0) 21.0
 
July 1, 2022, 1 p.m. 17.0 ppb (17) 7.5 ppb (8) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.36 ppb (5) N/A -1.0 μg/m3 (0) 17.0
 
July 1, 2022, noon 6.6 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (8) 0.28 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
July 1, 2022, 10 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) 0.24 ppb (3) N/A 2.0 μg/m3 (9) 17.0
 
July 1, 2022, 7 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 23.0
 
July 1, 2022, 7 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 23.0
 
July 1, 2022, 7 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 23.0
 
July 1, 2022, 6 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 25.0
 
July 1, 2022, 3 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 2.0 μg/m3 (9) 24.0
 
July 1, 2022, 3 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 2.0 μg/m3 (9) 24.0
 
July 1, 2022, 2 a.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 1, 2022, 2 a.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 1, 2022, 2 a.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 1, 2022, 1 a.m. 3.2 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 1, 2022, midnight 4.1 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 30, 2022, 10 p.m. 3.7 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2022, 9 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2022, 9 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2022, 9 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2022, 7 p.m. 5.4 ppb (6) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
June 30, 2022, 7 p.m. 5.4 ppb (6) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
June 30, 2022, 3 p.m. 7.4 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.3 ppb (4) N/A 2.0 μg/m3 (9) 22.0
 
June 30, 2022, 10 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) 0.24 ppb (3) N/A -2.0 μg/m3 (0) 16.0
 
June 30, 2022, 8 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
June 30, 2022, 8 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 24.0
 
June 30, 2022, 6 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 22.0
 
June 30, 2022, 6 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 22.0
 
June 30, 2022, 5 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 22.0
 
June 30, 2022, 4 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 21.0
 
June 30, 2022, 4 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 21.0
 
June 30, 2022, 4 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 21.0
 
June 30, 2022, 3 a.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
June 30, 2022, 3 a.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
June 30, 2022, 2 a.m. 3.2 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2022, midnight 3.3 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
June 29, 2022, 11 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 29, 2022, 11 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 29, 2022, 10 p.m. 4.3 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 29, 2022, 10 p.m. 4.3 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 29, 2022, 10 p.m. 4.3 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 29, 2022, 9 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
June 29, 2022, 9 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
June 29, 2022, 1 p.m. 17.0 ppb (17) 4.3 ppb (5) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
June 29, 2022, noon 7.5 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 13.0 ppb (13) 0.29 ppb (4) N/A 2.0 μg/m3 (9) 13.0
 
June 29, 2022, 10 a.m. 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 16.0
 
June 29, 2022, 10 a.m. 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 16.0
 
June 29, 2022, 8 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 19.0
 
June 29, 2022, 8 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 19.0
 
June 29, 2022, 7 a.m. 4.9 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) 0.24 ppb (3) N/A 2.0 μg/m3 (9) 18.0
 
June 29, 2022, 7 a.m. 4.9 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) 0.24 ppb (3) N/A 2.0 μg/m3 (9) 18.0
 
June 29, 2022, 2 a.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 28.0
 
June 28, 2022, 11 p.m. 3.6 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.25 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
June 28, 2022, 10 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
June 28, 2022, 10 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
June 28, 2022, 9 p.m. 5.2 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
June 28, 2022, 8 p.m. 7.3 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 28, 2022, 8 p.m. 7.3 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 28, 2022, 7 p.m. 6.3 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 28, 2022, 7 p.m. 6.3 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 28, 2022, 11 a.m. 9.9 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 10 a.m. 9.9 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 12.0 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 12.0 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 12.0 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 7 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 24.0
 
June 28, 2022, 6 a.m. 7.7 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
June 28, 2022, 5 a.m. 8.9 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.38 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
June 28, 2022, 2 a.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 28, 2022, 1 a.m. 7.1 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 28, 2022, 1 a.m. 7.1 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 28, 2022, midnight 10.1 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 28, 2022, midnight 10.1 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 27, 2022, 11 p.m. 5.9 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
June 27, 2022, 10 p.m. 4.2 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
June 27, 2022, 10 p.m. 4.2 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
June 27, 2022, 9 p.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 34.0
 
June 27, 2022, 9 p.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 34.0
 
June 27, 2022, 9 p.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 34.0
 
June 27, 2022, 8 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 35.0
 
June 27, 2022, 8 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 35.0
 
June 27, 2022, 8 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 35.0
 
June 27, 2022, 4 p.m. 7.9 ppb (8) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.29 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 27, 2022, 4 p.m. 7.9 ppb (8) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.29 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 27, 2022, 2 p.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 1 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 11 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 11 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 11 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 10 a.m. 9.9 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
June 27, 2022, 10 a.m. 10.0 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.3 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 6 a.m. 7.4 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
June 27, 2022, 5 a.m. 7.8 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.28 ppb (4) N/A 3.0 μg/m3 (13) 22.0
 
June 27, 2022, 4 a.m. 15.1 ppb (15) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 3 a.m. 14.6 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 17.0
 
June 27, 2022, 2 a.m. 10.9 ppb (11) 1.8 ppb (2) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 3.0 μg/m3 (13) 23.0
 
June 27, 2022, 1 a.m. 9.8 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
June 27, 2022, midnight 6.0 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
June 26, 2022, 10 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 29.0
 
June 26, 2022, 9 p.m. 3.3 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
June 26, 2022, 8 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 5 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
June 26, 2022, 4 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 3 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
June 26, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 11 a.m. 8.6 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 11 a.m. 8.6 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 10 a.m. 8.4 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 26, 2022, 10 a.m. 8.4 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 26, 2022, 9 a.m. 8.6 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.28 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 26, 2022, 8 a.m. 9.5 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
June 26, 2022, 7 a.m. 7.5 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
June 26, 2022, 6 a.m. 4.6 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 5 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 26, 2022, 4 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 4 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 26, 2022, 3 a.m. 4.8 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
June 26, 2022, midnight 5.6 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.26 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 26, 2022, midnight 5.6 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.26 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 25, 2022, 11 p.m. 7.1 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.26 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
June 25, 2022, 3 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 25, 2022, 3 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 25, 2022, 2 p.m. 11.4 ppb (11) 3.6 ppb (4) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.33 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
June 25, 2022, 2 p.m. 11.4 ppb (11) 3.6 ppb (4) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.33 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
June 25, 2022, 2 p.m. 11.4 ppb (11) 3.6 ppb (4) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.33 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
June 25, 2022, 2 p.m. 11.4 ppb (11) 3.6 ppb (4) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.33 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
June 25, 2022, 1 p.m. 12.2 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A N/A 6.0 ppb (6) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, 1 p.m. 12.2 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A N/A 6.0 ppb (6) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, noon 9.9 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 7.0 ppb (7) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 25, 2022, 11 a.m. 14.5 ppb (14) 1.4 ppb (2) N/A 13.0 ppb (13) N/A N/A 9.0 ppb (9) 0.29 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 10 a.m. 13.2 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) 0.3 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
June 25, 2022, 9 a.m. 17.8 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.3 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
June 25, 2022, 3 a.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, 1 a.m. 5.6 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
June 25, 2022, 1 a.m. 5.6 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
June 25, 2022, midnight 5.7 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.29 ppb (4) N/A 28.0 μg/m3 (85) 85.0
 
June 24, 2022, 10 p.m. 4.8 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.29 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
June 24, 2022, 9 p.m. 5.4 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.29 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
June 24, 2022, 8 p.m. 6.6 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.29 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 24, 2022, 7 p.m. 11.4 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.32 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
June 24, 2022, 7 p.m. 11.4 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.32 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
June 24, 2022, 3 p.m. 15.7 ppb (15) 5.9 ppb (6) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.33 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
June 24, 2022, 2 p.m. 30.0 ppb (29) 12.9 ppb (13) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
June 24, 2022, 1 p.m. 25.0 ppb (24) 11.2 ppb (11) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) 0.46 ppb (6) N/A 5.0 μg/m3 (21) 24.0
 
June 24, 2022, noon 14.9 ppb (15) 2.6 ppb (3) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.39 ppb (5) N/A 3.0 μg/m3 (13) 15.0
 
June 24, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 11 a.m. 22.2 ppb (21) 0.5 ppb (1) N/A 22.0 ppb (21) N/A N/A 5.0 ppb (5) 0.31 ppb (4) N/A 3.0 μg/m3 (13) 21.0
 
June 24, 2022, 10 a.m. 22.2 ppb (21) 0.5 ppb (1) N/A 22.0 ppb (21) N/A N/A 5.0 ppb (5) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, 8 a.m. 10.6 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 16.0 ppb (15) 0.32 ppb (4) N/A 1.0 μg/m3 (5) 15.0
 
June 24, 2022, 7 a.m. 5.4 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.27 ppb (4) N/A -1.0 μg/m3 (0) 22.0
 
June 24, 2022, 6 a.m. 6.4 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.27 ppb (4) N/A 3.0 μg/m3 (13) 23.0
 
June 24, 2022, 6 a.m. 6.4 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.27 ppb (4) N/A 3.0 μg/m3 (13) 23.0