Air Quality API
Overview
To use Air Quality, you need an API key. You can get one by creating a free account and visiting your dashboard.
GET Endpoint
https://api.apiverve.com/v1/airqualityExample
How to call the Air Quality API in different programming languages.
curl -X GET \
"https://api.apiverve.com/v1/airquality?city=San%20Francisco" \
-H "X-API-Key: your_api_key_here"const response = await fetch('https://api.apiverve.com/v1/airquality?city=San%20Francisco', {
method: 'GET',
headers: {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
});
const data = await response.json();
console.log(data);import requests
headers = {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
response = requests.get('https://api.apiverve.com/v1/airquality?city=San%20Francisco', headers=headers)
data = response.json()
print(data)package main
import (
"fmt"
"io"
"net/http"
)
func main() {
req, _ := http.NewRequest("GET", "https://api.apiverve.com/v1/airquality?city=San%20Francisco", nil)
req.Header.Set("X-API-Key", "your_api_key_here")
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
panic(err)
}
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
fmt.Println(string(body))
}{
"status": "ok",
"error": null,
"data": {
"pm2_5": 16.75,
"pm10": 18.85,
"carbonMonoxide": 387.85,
"ozone": 9,
"nitrogenDioxide": 38.55,
"sulfurdioxide": 5.95,
"usEpaIndex": 2,
"gbDefraIndex": 2,
"recommendation": "The air quality in San Francisco is good. It is safe to go outside.",
"city": "San Francisco"
}
}Authentication
The Air Quality API requires authentication via API key. Include your API key in the request header:
X-API-Key: your_api_key_hereInteractive API Playground
Test the Air Quality API directly in your browser with live requests and responses.
Parameters
The Air Quality API supports multiple query options. Use one of the following:
Option 1: Get Air Quality by City
| Parameter | Type | Required | Description | Default | Example |
|---|---|---|---|---|---|
city | string | required | The city name for which you want to get the air quality data (e.g., New York) | - |
Option 2: Get Air Quality by Zip Code
| Parameter | Type | Required | Description | Default | Example |
|---|---|---|---|---|---|
zip | string | required | The zip code for which you want to get the air quality data | - |
Response
The Air Quality API returns responses in JSON, XML, YAML, and CSV formats. The JSON response is shown in the Example section above; alternative formats below.
Other Response Formats
<?xml version="1.0" encoding="UTF-8"?>
<response>
<status>ok</status>
<error xsi:nil="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
<data>
<pm2_5>16.75</pm2_5>
<pm10>18.85</pm10>
<carbonMonoxide>387.85</carbonMonoxide>
<ozone>9</ozone>
<nitrogenDioxide>38.55</nitrogenDioxide>
<sulfurdioxide>5.95</sulfurdioxide>
<usEpaIndex>2</usEpaIndex>
<gbDefraIndex>2</gbDefraIndex>
<recommendation>The air quality in San Francisco is good. It is safe to go outside.</recommendation>
<city>San Francisco</city>
</data>
</response>
status: ok
error: null
data:
pm2_5: 16.75
pm10: 18.85
carbonMonoxide: 387.85
ozone: 9
nitrogenDioxide: 38.55
sulfurdioxide: 5.95
usEpaIndex: 2
gbDefraIndex: 2
recommendation: The air quality in San Francisco is good. It is safe to go outside.
city: San Francisco
| key | value |
|---|---|
| pm2_5 | 16.75 |
| pm10 | 18.85 |
| carbonMonoxide | 387.85 |
| ozone | 9 |
| nitrogenDioxide | 38.55 |
| sulfurdioxide | 5.95 |
| usEpaIndex | 2 |
| gbDefraIndex | 2 |
| recommendation | The air quality in San Francisco is good. It is safe to go outside. |
| city | San Francisco |
Response Structure
All API responses follow a consistent structure with the following fields:
| Field | Type | Description | Example |
|---|---|---|---|
status | string | Indicates whether the request was successful ("ok") or failed ("error") | ok |
error | string | null | Contains error message if status is "error", otherwise null | null |
data | object | null | Contains the API response data if successful, otherwise null | {...} |
Learn more about response formats →
Response Data Fields
When the request is successful, the data object contains the following fields:
| Field | Type | Sample Value | Description |
|---|---|---|---|
pm2_5 | number | Fine particulate matter concentration in micrograms per cubic meter | |
pm10 | number | Coarse particulate matter concentration in micrograms per cubic meter | |
carbonMonoxidePremium | number | Carbon monoxide concentration level in parts per billion | |
ozonePremium | number | Ground-level ozone concentration in parts per billion | |
nitrogenDioxidePremium | number | Nitrogen dioxide concentration level in parts per billion | |
sulfurdioxidePremium | number | Sulfur dioxide concentration level in parts per billion | |
usEpaIndexPremium | number | US EPA air quality index rating from one to six scale | |
gbDefraIndexPremium | number | UK DEFRA air quality index rating from one to ten scale | |
recommendation | string | Air quality assessment and health recommendation for the city | |
city | string | The city name for which air quality data was retrieved |
Headers
Only X-API-Key is required. Optional headers include Accept for response format negotiation (JSON, XML, or YAML), User-Agent, and X-Request-ID for request tracing. See all request headers →
GraphQL AccessALPHA
Access Air Quality through GraphQL to combine it with other API calls in a single request. Query only the air quality data you need with precise field selection, and orchestrate complex data fetching workflows.
Credit Cost: Each API called in your GraphQL query consumes its standard credit cost.
POST https://api.apiverve.com/v1/graphqlquery {
airquality(
input: {
city: "San Francisco"
}
) {
pm2_5
pm10
carbonMonoxide
ozone
nitrogenDioxide
sulfurdioxide
usEpaIndex
gbDefraIndex
recommendation
city
}
}Note: Authentication is handled via the x-api-key header in your GraphQL request, not as a query parameter.
CORS Support
The Air Quality API accepts cross-origin requests from any origin, so it can be called directly from browser-based applications without a proxy. See CORS support →
Rate Limiting
Air Quality requests are throttled per minute on the Free plan and unthrottled on paid plans. Exceeding the limit returns 429 Too Many Requests; rate-limit usage is reported in the X-RateLimit-Limit, X-RateLimit-Remaining, and X-RateLimit-Reset response headers. See per-plan limits and best practices →
Error Codes
The Air Quality API uses standard HTTP status codes — 200 on success, 400 for invalid parameters, 401 for missing or invalid keys, 403 for insufficient credits, 429 for rate-limit exhaustion, and 500/503 for server-side issues. Each error response includes an X-Request-ID header you can quote when contacting support. See full error handling guide →
SDKs for Air Quality
Official Air Quality packages on npm, PyPI, NuGet, and JitPack — plus a Postman collection and an OpenAPI spec. See the SDK guide →
No-Code Integrations
Air Quality works with Zapier, Make, Pipedream, n8n, and Power Automate using the same API key. See setup guides →
Frequently Asked Questions
How do I get an API key for Air Quality?
How many credits does Air Quality cost?
Each successful Air Quality API call consumes credits based on plan tier. Check the pricing section above for the exact credit cost. Failed requests and errors don't consume credits, so you only pay for successful air quality lookups.
Can I use Air Quality in production?
The free plan is for testing and development only. For production use of Air Quality, upgrade to a paid plan (Starter, Pro, or Mega) which includes commercial use rights, no attribution requirements, and guaranteed uptime SLAs. All paid plans are production-ready.
Can I use Air Quality from a browser?
What happens if I exceed my Air Quality credit limit?
When you reach your monthly credit limit, Air Quality API requests will return an error until you upgrade your plan or wait for the next billing cycle. You'll receive notifications at 80% and 95% usage to give you time to upgrade if needed.








